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250-924 exam Dumps Source : Data Protection Troubleshooting for Windows using NetBackup 5.x

Test Code : 250-924
Test denomination : Data Protection Troubleshooting for Windows using NetBackup 5.x
Vendor denomination : Symantec
: 130 true Questions

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Symantec Data Protection Troubleshooting for

Symantec Backup Exec troubleshooting performance suggestions | killexams.com true Questions and Pass4sure dumps

Symantec Corp.'s Backup Exec is a current facts backup program for laptop and networked storage systems. despite the fact, as with every software, there are issues that may likewise be set incorrectly or issues that can Go wrong with the aim to sluggish performance. within the case of a backup program, a slipup can drastically raise the time it takes to finished your backup jobs. if you're using Backup Exec and your efficiency isn't what it should be, some troubleshooting can be so as. here's a list of expertise issues to appear to be out for.

Get a baseline: recognize at ancient backup logs

start via looking at your ancient backup job logs and commemorate each the complete time required to lower back up, the dimension of the backups, and the typical velocity. (Go to the "job video display" tab in Backup Exec and select "job historical past.") examine this to the present precipitate and total time it takes to complete the job. If there's a stout slowdown, you're going to should recognize greater closely for feasible explanations.

wreck the process down and check the pace of each and every disk or agent being backed up. To enact this, set up sever jobs for each and every disk or agent being backed up and back them up one at a time. If one disk or agent seems unusually slow, drill down to examine the trigger through examining the job in detail.

determine that the facts isn't being redirected somewhere else. Some file systems allow a directory to encompass data from a file on an additional server within the backup. this can leisurely down the entire backup process.

when you are backing up over a network, that you would be able to verify the paraphernalia throughput through comparing the Backup Exec logs with the logs of windows backup (NTBackup) If the Backup Exec logs replicate loads of circumstances that don't pomp up in the NTBackup logs, further evaluation is referred to as for. If remote backups aren't working, are attempting backing up from one drive to yet another on the far flung server. examine the logs of the Backup Exec backup and the windows backup. (This assumes you're analyzing a power rather than an agent for a software relish Microsoft alternate.)

examine for disk fragmentation

make certain to additionally assess that there don't appear to be a lot of petite data or directories on the disk. this could leisurely down backups in tons the equal approach fragmentation does by course of requiring loads of reads to net the tips off the disk for backup.

Disk fragmentation can sluggish performance of Backup Exec greatly. investigate to recognize how fragmented your disks are and defragment if imperative.

flip compression on

tell the Backup Exec to compress any info which will likewise be compressed. Some info, relish mpegs and jpegs, can not be compressed. if you suspect the rigor may be within the compression, try switching from hardware to application compression, or vice versa.

be certain your backup application isn't going in the style

Antivirus software will likewise be a particular issue in Backup Exec. Checking every file being backed up for viruses makes no sense and slows backup efficiency. For greater on the interplay between Backup Exec and Norton Antivirus, espy Symantec's Backup Exec discussion board. additionally, the more recent versions of Backup Exec own a office known as Tamper insurance policy that can antecedent problems with antivirus utility.

Tape backup with Backup Exec

if you're backing up to tape, power cycle the tape power or library and the server. This may still remedy brief problems. This re-initializes the tape paraphernalia and resets the tape gadget's state. This can likewise treatment every limited thing from a problem brought about with the aid of a power glitch to a couple incorrectly set parameters.

The SCSI half (controllers, cables, terminators, and so forth.) of your backup paraphernalia can sap performance if the parameters are set incorrectly when backing as much as tape. investigate the documentation and evaluate the values there with your settings. The determine option should give you a remarkable ordinary picture of the situation of the SCSI gadget. they could enact the very factor when backing as much as disk, but on account of the random write nature of disk, it does not own the rigor to the equal diploma tape does. Tape needs facts fed at a pleasant even pace that matches the precipitate of the tape unit for gold touchstone performance. Disk can handle intermittent slowdowns in the records expense more suitable than tape can because it writes randomly.

Use the 'determine' alternative to verify the health of the SCSI device

The investigate operation is generally restricted through the pace of the SCSI gadget. assess the efficiency by course of inspecting the logs of jobs with assess operations in them. If the investigate speeds are low, determine the SCSI subsystem for feasible bottlenecks.

make inescapable your controller is rated for the pace of your tape power. for example, an LTO-three tape constrain requires a SCSI 320 community. verify that your tape drives are not connected to a SCSI RAID controller.

among the many other feasible complications with SCSI are fallacious cabling, free or putrid termination and wrong SCSI BIOS settings. additionally be certain the "provoke huge negotiation" alternative is determined to "sure" when you are using a 68-pin cable connector to your tape power.

if you're backing up to disk, check the Backup to Disk (B2D) folder. The B2D folder's main expend is to evade the requisite of information if a utensil fails, however it provides a benchmark for Backup Exec in opposition t an additional machine. You requisite as a minimum 2 Gb of statistics to permit for caches and such. It tends to eliminate complications with the software and the server being backed up as viable factors. recognize at various the B2D pace through copying at least 2 Gb of information to the B2D disk by means of dragging and shedding the file(s). evaluate that with the pace of backing up the identical information. If the pace is in regards to the same, the issue is obviously within the disk subsystem, including the controller.

See Symantec's troubleshooting tip doc for extra Backup Exec troubleshooting advice.

About this writer:Rick cook dinner focuses on writing about considerations involving records storage and facts storage management.


Symantec tops profit estimates as consumer sales upward thrust; shares surge | killexams.com true Questions and Pass4sure dumps

(Reuters) - Antivirus software maker Symantec Corp shares rose in extended alternate on Thursday after beating profit and revenue estimates in the December quarter and raising counsel on sturdy enterprise and purchaser corporations.

The Symantec logo is pictured on a monitor June 13, 2016. REUTERS/Thomas White/File image

The enterprise additionally announced that its Chief monetary Officer Nicholas Noviello might be stepping down to pursue different alternatives, following a slew of key govt exits on account that late ultimate 12 months.

The cybersecurity enterprise’s wonderful revenue, boosted through purchaser and industry organizations, followed improved-than-anticipated results within the outdated quarter, an indication that the once-afflicted cybersecurity company is on course to superb growth, in response to analysts.

“Even the decent earnings final quarter nonetheless left investors with some skepticism, but the beat this time will cancel a few of these considerations,” said Dan Ives, managing director at Wedbush Securities.

Symantec raised its counsel for the present quarter, projecting March quarter adjusted income between 37 cents and forty one cents per share. Analysts had been anticipating 38 cents.

“After a difficult first half of the 12 months, we’re gaining momentum, and the company is their core focus of attention,” Chief government Officer Greg Clark referred to privilege through the salary call.

regarding the departure of the business’s CFO, Clark referred to Noviello will remain within the office unless mid-2019 as the industry searches for a replacement.

there own been diverse key govt exits at Symantec late closing 12 months, including these of President and Chief operating Officer Michael Fey, Chief marketing Officer Michael Williams and the senior vice chairman of global sales engineering and product marketing, Bradon Rogers.

Symantec spokeswoman declined to give extra explanation on Noviello’s departure.

income from Symantec’s buyer safety division rose 3 percent to $602 million. The segment accounted for nearly half the business’s total revenue. Analysts on common had anticipated $600.9 million, in response to IBES statistics from Refinitiv.

profits from Symantec’s enterprise protection division fell 2.5 % to $609 million, but beat estimates of $575.6 million, in accordance with IBES records from Refinitiv.

For the latest quarter, Symantec projected a earnings between $595 million and $605 million for its customer enterprise and a income between $595 million and $615 million for its commercial enterprise business. Analysts on common are expecting the company to submit revenues of $620.5 million and $592.70 million, respectively.

Symantec’s income fell to $sixty five million or 10 cents per share, within the quarter ended Dec. 28, compared with a income of $1.34 billion, or $2.01 per share, a year past.

On an adjusted foundation, the industry earned 44 cents per share, well above estimates of 39 cents a share.

salary inched as much as $1.21 billion within the three months ended Dec. 28, above analysts’ touchstone assay of $1.18 billion, in accordance with IBES statistics from Refinitiv.

Symantec shares closed up 1 % at $21.02 on Thursday. The inventory misplaced a third of its value final year, compelled by an investigation over its accounting practices and vulnerable revenue forecasts.

Reporting through Angela Moon in manhattan and Vibhuti Sharma in Bengaluru; enhancing via Peter Cooney and Diane Craft


“No Deal” Brexit might likewise carry functional complications for privateness and statistics insurance device | killexams.com true Questions and Pass4sure dumps

updated: can likewise 25, 2018:

JD Supra is a criminal publishing carrier that connects specialists and their content with broader audiences of specialists, journalists and associations.

This privateness coverage describes how JD Supra, LLC ("JD Supra" or "we," "us," or "our") collects, makes expend of and shares very own statistics accrued from guests to their web site (located at www.jdsupra.com) (our "website") who view most effectual publicly-available content material in addition to subscribers to their services (corresponding to their e-mail digests or creator tools)(our "capabilities"). by using their site and registering for one among their services, you're agreeing to the terms of this privateness coverage.

Please word that if you subscribe to one among their features, you can gain choices about how they compile, expend and partake your information via their privacy middle under the "My Account" dashboard (purchasable if you are logged into your JD Supra account).

collection of information

Registration advice. for those who register with JD Supra for their web page and capabilities, both as an creator or as a subscriber, you might be requested to provide identifying guidance to create your JD Supra account ("Registration data"), akin to your:

  • e-mail
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  • Title
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  • other counsel: They likewise assemble other assistance you may additionally voluntarily deliver. This may additionally encompass content material you supply for ebook. They can likewise additionally acquire your communications with others via their website and features (similar to contacting an creator via their website) or communications at once with us (corresponding to through email, comments or different forms or gregarious media). when you are a subscribed consumer, they will additionally assemble your user preferences, such as the forms of articles you could relish to examine.

    guidance from third events (equivalent to, from your service provider or LinkedIn): They may additionally likewise acquire information about you from third birthday celebration sources. for example, your organisation might likewise give your counsel to us, corresponding to in connection with a piece of writing submitted by using your service provider for ebook. if you pick to expend LinkedIn to subscribe to their web page and services, they likewise assemble counsel concerning your LinkedIn account and profile.

    Your interactions with their web page and capabilities: As is accurate of most websites, they collect inescapable tips immediately. This tips comprises IP addresses, browser classification, web provider issuer (ISP), referring/exit pages, working system, date/time stamp and clickstream statistics. They expend this assistance to analyze trends, to administer the web site and their features, to enrich the content and performance of their website and functions, and to track clients' actions across the website. They may additionally hyperlink this automatically-accrued statistics to own suggestions, as an instance, to inform authors about who has read their articles. some of this statistics is amassed via suggestions despatched with the aid of your net browser. They likewise expend cookies and other monitoring applied sciences to compile this advice. To learn greater about cookies and different monitoring applied sciences that JD Supra may additionally expend on their website and features gladden espy their "Cookies book" web page.

    How can they expend this suggestions?

    We expend the tips and facts they bring together mainly in order to deliver their web page and features. extra specially, they may additionally expend your own information to:

  • operate their web site and services and publish content material;
  • Distribute content to you in keeping with your preferences in addition to to provide different notifications to you (for instance, updates about their guidelines and phrases);
  • Measure readership and usage of the site and capabilities;
  • talk with you concerning your questions and requests;
  • Authenticate users and to provide for the protection and safety of their web site and features;
  • conduct research and an identical activities to enrich their website and features; and
  • comply with their legal and regulatory responsibilities and to implement their rights.
  • How is your guidance shared?
  • content material and other public tips (reminiscent of an writer profile) is shared on their website and services, including by the expend of e-mail digests and gregarious media feeds, and is purchasable to the touchstone public.
  • in case you pick to expend their website and features to discourse without leisurely with a company or individual, such communication can be shared accordingly.
  • Readership information is supplied to publishing law organisations and authors of content material to provide them insight into their readership and to assist them to help their content material.
  • Our web page may additionally present you the haphazard to partake guidance through their web page, reminiscent of through fb's "Like" or Twitter's "Tweet" button. They present this functionality to uphold generate hobby in their web site and content material and to assist you to recommend content to your contacts. you should be mindful that sharing via such performance may halt up in counsel being gathered via the applicable gregarious media community and probably being made publicly accessible (for example, via a search engine). the sort of suggestions collection can be belt to such third party gregarious media network's privacy policy.
  • Your information may likewise be shared to parties who assist their company, reminiscent of professional advisors as well as web-hosting providers, analytics suppliers and other information know-how providers.
  • Any courtroom, governmental authority, law enforcement company or other third birthday party where they deem disclosure is integral to disagree to a felony or regulatory duty, or otherwise to give protection to their rights, the rights of any third party or individuals' own security, or to observe, steer pellucid of, or in any other case address fraud, security or safeguard concerns.
  • To their affiliated entities and in connection with the sale, assignment or different transfer of their industry or their company.
  • How They protect Your guidance

    JD Supra takes economical and applicable precautions to insure that user counsel is covered from loss, misuse and unauthorized access, disclosure, alteration and destruction. They restrict entry to user assistance to these individuals who reasonably want entry to office their job capabilities, reminiscent of their third birthday celebration e mail provider, consumer carrier personnel and technical staff. be certain you abide in humor that no internet transmission is ever 100% snug or error-free. where you expend log-in credentials (usernames, passwords) on their website, gladden be alert that it is your accountability to retreat them. if you accept as accurate with that your log-in credentials were compromised, gladden contact us at privateness@jdsupra.com.

    babies's advice

    Our site and capabilities don't appear to be directed at limited ones beneath the age of sixteen and they enact not knowingly compile very own assistance from toddlers beneath the age of sixteen through their web site and/or capabilities. in case you own rationale to accept as accurate with that a toddler beneath the age of sixteen has provided very own guidance to us, gladden contact us, and they will exercise to delete that tips from their databases.

    hyperlinks to different sites

    Our site and features may additionally comprise hyperlinks to different sites. The operators of such different web sites may additionally compile assistance about you, including through cookies or different applied sciences. when you are using their website or capabilities and click on a hyperlink to a further web site, you will leave their site and this policy will no longer drill to your expend of and undertaking on these other websites. They motivate you to read the legal notices posted on those sites, including their privateness policies. They aren't chargeable for the information collection and expend practices of such different websites. This coverage applies entirely to the information collected in connection with your expend of their web site and capabilities and does not apply to any practices carried out offline or in reference to another sites.

    information for european and Swiss Residents

    JD Supra's foremost location of industry is in the united states. by subscribing to their web site, you expressly consent to your guidance being processed in the united states.

  • Our criminal basis for Processing: generally, they faith on their trustworthy pursuits so as to procedure your own counsel. as an instance, they matter on this felony floor if they expend your own counsel to manage your Registration records and administer their relationship with you; to carry their website and functions; abide in humor and augment their website and capabilities; record reader analytics to their authors; to personalize your adventure on their site and functions; and the site quintessential to give protection to or preserve their or an extra's rights or property, or to detect, steer pellucid of, or in any other case tackle fraud, security, security or privacy concerns. gladden espy Article 6(1)(f) of the E.U. regular records coverage regulation ("GDPR") furthermore, there may well be other situations the site different grounds for processing may likewise exist, reminiscent of where processing is due to the legal necessities (GDPR Article 6(1)(c)) or for explanations of public activity (GDPR Article 6(1)(e)). gladden espy the "Your Rights" factor of this privateness policy instantly below for greater suggestions about how you can likewise request that they circumscribe or chorus from processing your personal tips.
  • Your Rights
  • right of entry/Portability: that you may request to evaluation details in regards to the assistance they dangle about you and the course that counsel has been used and disclosed. note that they may additionally request to assess your identification earlier than enjoyable your request. you could likewise request that your own suggestions is supplied to you in a prevalent digital format so for you to partake it with different corporations.
  • correct to suitable information: You can likewise request that they gain corrections to any counsel they cling, if you believe such correction to be indispensable.
  • appropriate to obviate Their Processing or Erasure of suggestions: You likewise own the preempt in determined instances to request us to avoid processing of your own suggestions or to cancel your personal suggestions. where you own got consented to their expend of your own information, which you can withdraw your consent at any time.
  • You can gain a request to endeavor any of these rights by using emailing us at privacy@jdsupra.com or with the aid of writing to us at:

    privateness OfficerJD Supra, LLC10 Liberty Ship approach, Suite 300Sausalito, California 94965

    you could additionally manipulate your profile and subscriptions through their privacy focus under the "My Account" dashboard.

    we are able to gain each and every practical efforts to prize your wishes. There may be instances, besides the fact that children, where they aren't able to fulfill your request, for instance, if apropos legislation prohibits their compliance. gladden note that JD Supra doesn't expend "automatic resolution making" or "profiling" as these terms are defined within the GDPR.

  • Timeframe for conserving your own tips: they will retain your personal information in a benign that identifies you simplest for as lengthy as it serves the goal(s) for which it changed into in the nascence accrued as cited in this privateness policy, or because of this licensed. They may additionally proceed processing your personal tips for longer periods, however most effectual for the time and to the extent such processing moderately serves the functions of archiving in the public pastime, journalism, literature and paintings, scientific or ancient research and statistical analysis, and province to the protection of this privateness coverage. for instance, when you are an writer, your personal assistance can likewise proceed to be published in reference to your article indefinitely. after they don't own any ongoing reputable company requisite to manner your personal information, they can either delete or anonymize it, or, if here's no longer viable (as an example, because your very own counsel has been stored in backup archives), then they will securely shop your personal tips and seclude it from any extra processing until deletion is viable.
  • Onward transfer to 3rd events: As stated in the "How They partake Your facts" section above, JD Supra may additionally partake your assistance with third parties. When JD Supra discloses your very own suggestions to third events, we've ensured that such third events own either certified below the ecu-U.S. or Swiss privacy protect Framework and will process each and every personal statistics acquired from eu member states/Switzerland in reliance on the apropos privateness retract keeping of Framework or that they've been subjected to strict contractual provisions in their contract with us to guarantee an satisfactory smooth of statistics insurance device in your information.
  • California privacy Rights

    Pursuant to section 1798.eighty three of the California Civil Code, their consumers who're California residents own the preempt to request determined tips related to their disclosure of non-public information to third events for his or her direct marketing purposes.

    You could gain a request for this counsel by means of emailing us at privateness@jdsupra.com or by using writing to us at:

    privateness OfficerJD Supra, LLC10 Liberty Ship way, Suite 300Sausalito, California 94965

    Some browsers own incorporated a don't song (DNT) feature. These points, when grew to become on, route a signal that you simply opt for that the site you're visiting now not collect and expend records regarding your on-line shopping and browsing activities. As there is not yet a touchstone understanding on how to interpret the DNT sign, they presently enact not reply to DNT alerts on their site.

    entry/proper/update/Delete own suggestions

    For non-eu/Swiss residents, if you would relish to understand what personal counsel they now own about you, that you can route an email to privateness@jdsupra.com. they can retain up a correspondence with you (with the aid of mail or otherwise) to examine your id and provide you the counsel you request. they can reply inside 30 days to your request for access to your very own advice. In some cases, they may likewise now not be capable of net rid of your very own tips, by which case they will assist you to recognize if we're unable to accomplish that and why. if you'd relish to suitable or supersede your own suggestions, that you would be able to manage your profile and subscriptions through their privacy core under the "My Account" dashboard. if you'd relish to delete your account or remove your tips from their web page and features, ship an email to privateness@jdsupra.com.

    changes in Their privacy policy

    We reserve the reform to change this privacy policy at any time. gladden check with the date on the desirable of this page to investigate when this coverage was remaining revised. Any adjustments to their privacy coverage will become helpful upon posting of the revised policy on the site. by continuing to gain expend of their website and capabilities following such changes, you should be deemed to own agreed to such adjustments.

    Contacting JD Supra

    if you own any questions on this privacy coverage, the practices of this web site, your dealings with their web site or functions, or if you'd relish to alternate any of the guidance you own offered to us, gladden contact us at: privacy@jdsupra.com.

    As with many websites, JD Supra's website (observed at www.jdsupra.com) (our "web page") and their functions (such as their e mail article digests)(our "capabilities") expend a common know-how called a "cookie" and different similar applied sciences (similar to, pixels and internet beacons), that are petite information info that are transferred to your desktop if you expend their site and features. These applied sciences instantly identify your browser on every occasion you engage with their web site and features.

    How They expend Cookies and different tracking applied sciences

    We expend cookies and other monitoring technologies to:

  • improve the user savor on their website and functions;
  • store the authorization token that clients obtain once they login to the inner most areas of their site. This token is specific to a person's login session and requires a telling username and password to obtain. it is required to access the consumer's profile advice, subscriptions, and analytics;
  • song anonymous web page usage; and
  • let connectivity with gregarious media networks to let content material sharing.
  • There are different types of cookies and other technologies used their web site, peculiarly:

  • "Session cookies" - These cookies handiest ultimate as long as your online session, and evanesce from your laptop or machine for those who nigh your browser (like information superhighway Explorer, Google Chrome or Safari).
  • "Persistent cookies" - These cookies live on your laptop or paraphernalia after your browser has been closed and remaining for a time unique within the cookie. They expend persistent cookies after they requisite to recognize who you are for multiple browsing session. for instance, they expend them to abide in humor your preferences for the subsequent time you talk over with.
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  • JD Supra Cookies. They region their own cookies for your desktop to music inescapable counsel about you when you are the expend of their web site and features. for instance, they location a session cookie in your computing device each and every time you talk over with their website. They expend these cookies to let you log-in to your subscriber account. moreover, via these cookies they are in a position to bring together information about how you expend the web page, together with what browser you may be the usage of, your IP handle, and the URL handle you got here from upon touring their web site and the URL you next search counsel from (notwithstanding those URLs don't appear to be on their website). They additionally gain the most of email net beacons to monitor even if their emails are being delivered and browse. They likewise expend these tools to wait on bring reader analytics to their authors to provide them perception into their readership and assist them to enhance their content material, so that it's most effectual for their clients.

    Analytics/efficiency Cookies. JD Supra additionally makes expend of the following analytic paraphernalia to aid us analyze the efficiency of their web site and services as well as how friends expend their site and services:

  • HubSpot - For greater assistance about HubSpot cookies, gladden consult with prison.hubspot.com/privateness-policy.
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    Controlling and Deleting Cookies

    if you want to trade how a browser uses cookies, together with blocking or deleting cookies from the JD Supra web page and features you can accomplish that through changing the settings in your net browser. To manage cookies, most browsers allow you to both settle for or reject each and every cookies, most effectual settle for determined kinds of cookies, or on the spot you each time a web page wishes to shop a cookie. it be likewise handy to delete cookies that are already saved in your paraphernalia by a browser.

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    Data Protection Troubleshooting for Windows using NetBackup 5.x

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    Using Symantec NetBackup OpenStorage for disk-to-disk backup and recovery | killexams.com true questions and Pass4sure dumps

    Three of the stout headlines so far this year own been data growth, the economy and data deduplication in backup. The first headline, relentless data growth, is the root antecedent of most issues in the backup environment. In an endeavor to meet service-level agreements (SLAs) for data backup and recovery, more and more organizations are deploying disk in the backup process. With disk, IT organizations can better meet backup windows and recovery objectives. But as IT "modernizes" its backup infrastructure with disk-to-disk backup, modern problems emerge -- specifically, the cost of managing copies stored on disk, and the feasibility of taking disk-based backup copies and making them portable for offsite and/or long-term storage.

    Deduplication addresses the first issue -- it changes the economics of disk-based backup, allowing more data to be stored in a smaller footprint. The second problem is the modern twinge point for halt users that own adopted disk. How can they rapidly, securely, cost-effectively, and efficiently net data offsite for cataclysm recovery (DR) or long-term retention? Sure, most target devices with deduplication can replicate copies, but is the backup application's catalog alert of the copy? That's where Symantec Corp. Veritas NetBackup OpenStorage (OST) technology comes in.

    Symantec announced its NetBackup OpenStorage initiative a few years ago. It is designed to allow NetBackup users to utilize third-party storage solutions without the requisite for tape emulation.

    Available as an option for NetBackup 6.5 and higher, NetBackup OpenStorage gives NetBackup a common interface for third-party disk targets. NetBackup sees OST-enabled appliances as disk, enabling features such as smart capacity management, media server load balancing, reporting, and lifecycle policies. It likewise delivers optimized duplication. Without OST, NetBackup media servers own to manage each and every duplicate backup copies, which means that data must be transferred across the LAN, WAN, or SAN from the primary site secondary storage to a NetBackup media server and then to the cataclysm recovery site storage medium (i.e., another appliance of the very kind or tape media). With OST, the OST-enabled device is doing the replication and the data path does not include NetBackup media servers. This means that only changed segments are replicated, creating savings in bandwidth and, importantly, time. NetBackup is alert of each and every copies and those copies supervene established retention policies.

    Symantec Technology Enabled Program (STEP) partners -- such as Data Domain, EMC Corp., FalconStor Software, and Quantum Corp. -- leverage the NetBackup OpenStorage technology API to create plug-ins for their storage systems. OST allows for backup data to be stored on disk with whatever protocol the target device uses, such as a Fibre Channel or TCP/IP. Based on NetBackup policies or commands, the OST-enabled device will create, duplicate or delete copies.

    One of the more racy byproducts of the expend of the NetBackup OpenStorage interface is the performance improvement in backup. Several STEP partners with an OST-enabled solution claim 50% to100% improvement in backup performance. Richard Nosal, a server administrator for tall Point Regional Health System in Greensboro, N.C., implemented the NetBackup OST option with a Data Domain DD660 and saw his pre-OST 10-hour backup window with a virtual tape library slice in half.

    Since the NetBackup catalog is alert of each and every copies, recovery of data from a NetBackup OpenStorage-optimized duplicate copy is the very as recovery from another duplicate. Through NetBackup's Backup-Archive-Restore GUI, the OST-optimized duplicate copy can be designated as the primary copy and then a complete or granular recovery can be initiated. The potential time savings over recovery from a non-OST-optimized duplicate could be significant.

    About this author:Lauren Whitehouse is an analyst with Enterprise Strategy Group and covers data protection technologies. Lauren is a 20-plus-year veteran in the software industry, formerly serving in marketing and software progress roles.


    Network Design Strategies | killexams.com true questions and Pass4sure dumps

    This chapter, from Upgrading and Repairing Networks, 5e, looks at the network's ratiocinative and physical design to assist your planning when creating a modern network.

    This chapter is from the reserve 

    Many types of networks were discussed in Chapter 1, "A Short History of Computer Networking," from ARPANET to TCP/IP. And in Chapter 2, "Overview of Network Topologies," you scholarly about the various topologies you can employ when designing and creating a local belt network (LAN), and they likewise looked at some scenarios in which several networks were connected to profile a wide belt network (WAN). In this chapter, they will recognize at another aspect of creating a network: the network's ratiocinative and physical design. The physical aspects of your LAN will depend on the underlying physical transport technology—Ethernet or Token-Ring, for example, or possibly ATM, which is supported as a LAN protocol in products such as Windows 2000/XP, Windows Server 2003, and Linux. Depending on which technology you use, there will be one or more LAN topologies from which to choose.

    Before you can commence to design a physical network, however, you first must determine your needs. What services must you provide to your user community? What are the resources you'll need? If you own to compromise, what will it retract to fullfil the most users or to provide the more well-known services? You then will own to retract into account network protocols, applications, network speed, and, most important, network security issues; each of these figures into a network's ratiocinative design. Another well-known factor your management will probably constrain you to deem is cost—you can't forget the budget. These factors gain up the ratiocinative design for your network. You first should pick what you requisite and what it will retract to provide for those needs.

    If you are creating a modern network and purchasing modern applications, you will probably disburse most of your time considering the licensing and other pecuniary costs (training users, network personnel, and so on). If you are upgrading older applications, several other factors near into consideration. Many applications that were coded using COBOL, BASIC, FORTRAN, and other languages that helped jumpstart the computer age may own built-in network functionality based on older proprietary network protocols. If this is the case with your network, you own to deem several things. What will it cost to update thousands of lines of code (or more) to more modern versions of the very programming language? What will it cost to upgrade these programs to newer object-oriented languages? To redeem money, can you upgrade partake of your network and expend gateway hardware/software to connect to older network components?

    Because of the costs associated with coding applications that were created many years ago, and the expenses that will be required to update them to modern programming languages, you may be forced to maintain legacy applications for a few years while replacement applications are designed and created. You may find a packaged application that can be used to supersede older programs. This problem will apply mostly to proprietary computer architectures, instead of Windows or Unix platforms. If you can simply gain minor changes and compile the source code so that it will hasten on a newer operating system, your costs will be much less than if you own to re-create the applications your users requisite from scratch. Another cost associated with upgrading to modern programs is training users and help-desk personnel.

    When you device a ratiocinative network design, you can start from one of two places. You can design and install a modern network from scratch, or you can upgrade an existing network. Either way, you should collect information about several well-known factors before you commence the ratiocinative design. For example, depending on the services that will be provided to clients, you might requisite to analyze the feasible traffic patterns that might result from your plan. Locate potential bottlenecks and, where possible, alleviate them by providing multiple paths to resources or by putting up servers that provide replicas of well-known data so that load balancing can be provided. The following are other factors to consider:

  • Who are the clients? What are their actual needs? How own you determined these needs—from user complaints or from help-desk statistics? Is this data reliable?
  • What kinds of services will you provide on the network? Are they limited in scope? Will any involve configuring a firewall between LANs? And if so, that still doesn't account for configuring a firewall to enable access to the Internet.
  • Will you requisite to allow an Internet connection for just your internal network's users, or will expend you requisite to allow outside vendors access to your network? One case that comes to humor is the Internet Printing Protocol (see Chapter 24, "Overview of the TCP/IP Protocol Suite"). What will it cost to evaluate what benign of services user groups requisite to access from the Internet? Will you requisite to allow each and every users to expend email—both within the internal network and through the firewall on the Internet? The very goes for what sites users will be allowed to access using a network browser and other network applications. Will you own users who work from home and require dial-in or VPN access through the Internet?
  • Can your users tolerate a limited downtime now and then due to network problems, or is it necessary to provide a high-availability network? Will you requisite clustered servers to provide for a tall degree of uptime, or enact your users' applications not suffer from a temporary loss of the expend of a server? To provide for maximum uptime, can you afford to build redundancy into your network? For example, Chapter 2 discusses redundant topologies that can be used to obviate a separate point of failure from making the network (and its resources) unavailable. Chapter 11, "Network Attached Storage and Storage belt Networks," describes methods you can expend to mirror data at geographically far locations.
  • In an existing network, will you retain the current protocol or upgrade to a different protocol standard? If you create a network from scratch, what factors should impress your network protocol decision? Ethernet is the most current LAN technology in the world today. TCP/IP is the most current protocol suite that runs on Ethernet. Yet there are cases in which other technologies own their niches. deem the implications (such as uphold costs and security) to maintain older, proprietary protocols.
  • Who Are Your Clients?

    This seems relish a very simple question. However, I'm not saying, "What are your clients' names and how well enact you know their children?" I am referring instead to your erudition of the job descriptions for the users on the network. You requisite to assess work patterns for various departments so that you can appropriately site servers, high-bandwidth links, and other such things in the preempt physical location of the network. If most of the network traffic you hope to espy will near from the engineering department, you'll requisite to provide that department with a big data pipe. In Chapter 4, "Upgrading Strategies and Project Management," you'll find more information about surveying the user community to near up with a device that places resources where they are needed.

    What Kinds of Services or Applications Will the Network Offer?

    Of course, everyone knows that the most well-known office of a network today is to uphold multiuser gaming. Seriously, though, you requisite to gain a list of the kinds of applications currently in use, as well as a list of those requested by users. Each application should own a written risk assessment document that points out potential security problems, if any. Typical network applications today include FTP, telnet, and, of course, browsing the Web. There are "secure" versions of these applications and there are versions that leave a door wide open into your network. Whatever list of applications you chose to uphold over the network, retain in humor two things:

  • Is the application safe? Most applications today near in secure versions or can be used with a proxy server to wait on minimize the possibility of abuse. Yet, as they each and every own seen, even the largest corporations are targets at times, and those companies own the staff that should be able to obviate these things from happening. Because proxy servers are an well-known component of firewalls, this theme is covered in greater detail in Chapter 45. If you want a secure network, this is highly recommended reading!
  • Does one application overlap another? Every user has his or her favorite application. Some people relish one word processor, whereas others prefer a different one. But when dealing with applications or application suites (such as Microsoft Office), you'll find it better to gain a decision and stick with a separate product if it can fullfil the needs of your users. They might not relish it, and training might be necessary, but supporting multiple applications that enact the very thing wastes money and leads to confusion.
  • A commonly overlooked mode for getting data files out of a network and onto the Internet is to simply route the files as an attachment to an email. So if you contemplate you've blocked file transfers by disabling FTP access through the firewall, this case should point to that you really enact requisite to enact a thorough evaluation of any modern application or service you will allow on the network. modern applications should be justified with facts that point to why they are needed. If an existing application can be used to accomplish the very goal, why enact you requisite another application? Should you retire the older application and expend a newer one? Pay attention to the details. And don't forget to test modern applications to ensure that they effect as expected. The very goes for older applications—will they work on the modern or upgraded network?

    Lastly, enact you monitor network usage? enact you want to permit users to disburse their days browsing the Net, or checking personal email while at work? Many companies own policies that apply to using the telephone for personal business. enact you overlook this situation when giving users email capability? Are you preventing access to sites that are obviously not business-related?

    What Degree of Reliability enact I Require for Each Network Link?

    Just how much downtime is acceptable? For most users, the retort would be zero. well-known components of your network, such as file servers, should own failing tolerance built in from the bottom up. In big servers, you'll find dual-redundant power supplies (each connected to a sever UPS), and disk arrays set up using RAID techniques to provide for data integrity in the event that a disk goes south. If a link between two offices needs to be up 100% of the time, you should device for multiple links between the two sites to provide a backup capability. In this case, you likewise can warrant the cost of the extra link by using load balancing so that network response time is improved. And, if you are using multiple links to remote sites, it's always a superb view to own more than a separate path to the site. At one site this author worked at, there were redundant power lines bringing electricity into the site—side-by-side. If a tree falls, will it bring down one or both of those power lines?

    Another technology that can be used to provide an extra layer of redundancy, as well as high-speed access to storage devices, is the Storage belt Network (SAN). A SAN is a network that is sever from the LAN and contains only storage devices and servers that requisite to access those devices. Because the network bandwidth is not shared with LAN users, multiple servers can access the very storage. If one server fails, other servers can be configured to provide redundant access to the data. Also, the very RAID and other redundancy techniques used for storage devices that are directly attached to a server (such as the SCSI hardware and protocols) can be used on a SAN.

    arrow.jpg

    The terms RAID and UPS are well-known in today's networks, as is the concept of load balancing and dual-redundant power supplies in big networks. You can find out more about RAID (Redundant Array Of Independent Disks) and UPSs (uninterruptible power supplies) by reading Chapter 5, "Protecting the Network: Preventative Maintenance Techniques." For more information about SANs, espy Chapter 11.

    The brokendown epigram "If it ain't broke, don't fix it" doesn't apply to networks. You should always be proactively looking for potential separate points of failure and doing something to fix them. By edifice redundancy into the network design at the start, you'll redeem yourself a lot of grief in the future.

    Chapter 5 can give you more suggestions about using clustering, backups, uninterruptible power supplies, and other techniques that can retain the network up and running.

    Choosing a LAN Protocol

    Today the de facto protocol of option has to be TCP/IP. However, other protocols own their site in some vertical markets. In this book, they talk about NetWare. NetWare has been around so long that you might find you own no option when designing an upgrade but to retain using IPX/SPX, depending on the applications your network uses. However, even NetWare has moved toward using TCP/IP as the underlying protocol. This is basically the case for version 5.x and 6.x of NetWare. Older NetWare networks should upgrade, if possible, to one of these newer versions. If you will be connecting the network to the Internet, TCP/IP will be a necessity. Even if you don't hope to own an Internet connection, you'll find that choosing TCP/IP is a more practical option today because most applications work with it and there is a big market of trained professionals who can be hired to manage a network built on TCP/IP. NetWare 6.x provides backward compatibility with IPX/SPX for the most part, but newer features such as the iPrint—which uses the Internet Printing Protocol—require TCP/IP.

    In addition to transport protocols such as TCP/IP and IPX/SPX, you must deem application protocols that can be used on the network. For example, to simplify administering configuration information for a big number of computers, you might want to expend the Dynamic Host Configuration Protocol (DHCP), which is discussed in Chapter 28, "BOOTP and Dynamic Host Configuration Protocol (DHCP)." If you want to provide a central denomination resolution service, you might pick the Domain denomination Service (DNS), which is covered in Chapter 29, "Network denomination Resolution." If you are going to operate a Windows network that has pre–Windows 2000/XP clients, you might requisite to expend the Windows Internet Naming Service (WINS) for backward compatibility.

    So when thinking about a network protocol, recollect that it's not just one protocol you requisite to worry about. After you've decided which protocols are necessary, research the security implications of each.

    It's Virtually Universal: TCP/IP

    For each and every practical purposes, the touchstone LAN protocol today is TCP/IP. This is partly due to the rapid growth of the Internet, and the necessity of most businesses of having a Web presence, as well as the big number of vendors that own adopted this protocol suite. If your LAN is still using an older proprietary network protocol, you should seriously deem what it would retract to upgrade to TCP/IP. Currently, TCP/IP version 4 is the most widely used protocol. In the future you can hope that the next version (IPv6) will start to find its course from the core of the Internet out to the edge, where your network resides. While technologies such as Network Address Translation (NAT) are widely employed to remedy the problem associated with the limited address space provided by IPv4, IPv6 will enable a much larger address space. Combine that with Network Address Translation, and the long-term bets are going to be on IPv6, or possibly some of the features that are partake of IPv6. In addition to giving you a larger address space, IPv6 includes other well-known features. Those that will impress your network the most are security mechanisms, which will only become more well-known as Internet commerce continues to grow.

    arrow.jpg

    For a detailed introduction to TCP/IP, espy Chapter 24, "Overview of the TCP/IP Protocol Suite"; Chapter 25, "Basic TCP/IP Services and Applications"; and Chapter 27, "Troubleshooting Tools for TCP/IP Networks."

    There is one very well-known reason you should deem TCP/IP as a LAN protocol: There are more trained professionals knowledgeable in TCP/IP than any other LAN protocol at this time. It is racy to note that in Windows NT 3.51, the default network protocol was Microsoft's implementation of IPX/SPX (NWLink). In Windows NT 4.0 (and successive operating systems, from Windows 2000, XP, and Server 2003), the default network protocol is TCP/IP.

    If your network is composed of several operating systems, from Windows to NetWare to Unix and Linux, then the bottom line is that TCP/IP is the lowest common denominator that will allow the easiest connectivity and interaction between each and every of these. Even Microsoft's now-legacy NetBIOS/NetBEUI protocols own been adapted to hasten over TCP/IP.

    Novell's NetWare Version 6.5

    NetWare was perhaps the first attempt at seriously providing a LAN protocol that was easy to use. The basic file and print services offered by early versions of NetWare were much better than other solutions available at that time. After it became established in the industry community, NetWare became the network solution of option in many industry environments that used the PC. Microsoft countered this success with its LANManager products, which were likewise marketed by other vendors in their own way, such as the Pathworks solution from Digital paraphernalia Corporation.

    Today NetWare is a totally revamped solution to LAN connectivity. It provides many modern features that are addressed to specifically gain expend of the Internet, and allow mobile users to connect to their home networks, as well as to enable NetWare users to gain connections to outside networks. For example, the iPrint feature enables NetWare users to print to a printer on a remote network. For example, instead of sending a catalog that may be out of date in a month or so, you can expend iPrint to periodically route specific information apropos to each customer, by printing it directly to the customer's printer.

    And NetWare's iFolder allows mobile users to synchronize data stored on remote computers (such as a laptop computer) with the data stored on the company's network. Microsoft and other vendors present similar features. However, the point to recollect is that if you already are a NetWare user, you don't own to hurl out your existing investment and hotfoot to a Microsoft network, or even a Unix/Linux environment. NetWare has changed as the market has changed, and you might find it less expensive to upgrade to NetWare 6.5 than to migrate to another platform. The bottom line involves not just the cost of migrating to another operating system, but the costs involved with retraining your network administrative personnel in modern technology.

    Because NetWare 6.5 is so tightly integrated with the IP protocol, and likewise offers backward compatibility with IPX/SPX, admins for existing NetWare networks should deem upgrading to NetWare 6.5 as well as considering other options.

    If you want to hotfoot to Linux, Novell makes it easy by incorporating an enhanced version of NetWare 6.5 and SuSE Linux into its Novell Open Enterprise Server. Open Enterprise Server supports both Linux and NetWare-specific software and features, enabling you to hotfoot to Linux gradually.

    Other LAN/WAN Protocols

    The distinction between LAN and WAN (wide belt networking) protocols is nascence to blur. Ethernet was once considered to be a LAN protocol. As time has passed, other technologies, such as Token-Ring, own become minor players in the LAN world. Yet the contradictory is accurate of Ethernet. It has grown from a modest specification endorsed by Intel, DEC, and other vendors, such that it now can be considered a WAN protocol. The capabilities introduced by current LAN technologies are nascence to erode the differences between a LAN and a MAN (metropolitan belt network). When the fourth edition of this reserve was published, Gigabit Ethernet was starting to tumble into the inexpensive purview of network topologies. That trend has continued and now 10Gigabit Ethernet (10GbE) is frequently being used in enterprise data centers. Today you may be using 100BASE-T for connecting client computers to the network, and Gigabit Ethernet to connect network segments via the network backbone. In some cases your network might even be exclusively based on 10GbE.

    What does this signify to a network administrator today? With 10Gigabit Ethernet, you can expend TCP/IP not only to create a local belt network backbone, but to extend that reach to a metropolitan belt network. And because TCP/IP is so intertwined with Ethernet, you can achieve an end-to-end MAN link that uses TCP/IP over faster Ethernet connections. Instead of employing more expensive solutions, such as SONET, you can now connect fork offices in the very geographical belt using just TCP/IP.

    You may not own to worry about installing expensive paraphernalia used by SONET and other typical MAN protocols. Still, for the long haul—for example, between different cities—other protocols such as ATM and Frame Relay will near into play.

    arrow.jpg

    For more information about SONET, ATM, and Frame Relay, espy Chapter 15, "Dedicated Connections."


    Samsung string 5 Chromebook 550 review: Is less more? | killexams.com true questions and Pass4sure dumps

    Chrome OS is an operating system designed to hasten one app: the web browser. As such, there is virtually nothing you can enact on a laptop running Chrome OS that you can’t also do on a Windows, Mac, or Linux laptop with the Google Chrome web browser installed.

    But that’s beside the point. The point of a Chromebook relish the Samsung string 5 Chromebook 550 is that for many people the web browser is the separate most well-known app on any computer. So why fritter system resources supporting anything but the browser?

    The Samsung string 5 Chromebook 550 boots in less than 10 seconds and resumes from sleep nearly instantly. The keyboard features keys designed specifically for web browser functions. Why press F5 to refresh a web page when you can just hit the refresh key?

    Samsung’s second Chromebook features a faster processor, more memory, and generally faster performance than the original string 5 Chromebook I reviewed in 2011. Chrome OS has likewise changed quite a bit in the past year. Google has added a taskbar and desktop and made it feasible to view multiple browser windows side by side.

    I’m still not certain Chromebooks are ready for prime time — but the Samsung string 5 Chromebook 550 is certainly a lot more ready for early adopters of the cloud computing paradigm than the Samsung and Acer Chromebooks released in 2011. It’s faster, doesn’t freeze or crash as often, and feels more relish a full-fledged laptop.

    It likewise helps that there are more web apps offering desktop app-like functionality every day.

    You can’t hasten Adobe Photoshop or Microsoft office on a Chromebook. But you can hasten web apps such as Aviary or Google Docs instead. There are a growing number of web apps that work relish desktop apps — but since they’re hosted online you’ll never requisite to install an update. And your files and documents are stored online, so you can access them from any computer.

    A Chromebook is likewise less vulnerable to malicious attacks than a Windows computer — because you never download and install any software on a Chromebook at each and every (unless you matter operating system updates downloaded directly from Google).

    There are a lot of things to relish about a Chromebook relish the Samsung string 5 Chromebook 550. And if you disburse most of your time on a computer using a web browser, it might be worth taking a leap.

    But Chromebooks aren’t ready for everyone just yet. They’re limited more than paperweights when you don’t own an internet connection handy. Printing is more complicated on a Chromebook than on a more traditional laptop. And with a starting expense of $450, it may be arduous to warrant spending money on a computer that does less than a Windows, Mac, or Linux laptop… even if in this case, less is putative to be a feature, rather than a bug.

    Google and Samsung loaned me a Chromebook 550 to expend for a few weeks while preparing this review.

    A WiFi-only version of the Chromebook is available for $450, while a 3G model which comes with 100MB of free data from Verizon Wireless costs $550.

    Overview

    The first time you hit the power button on the Chromebook a screen will materialize asking you to connect a wireless network and enter your Google user denomination and password, or create a modern account if you don’t already own one.

    Even the first boot only takes a few seconds and you can start using the Chromebook privilege away after logging in.

    If you’ve used the Chrome web browser on a Windows, Mac, Linux, or Android device, logging in is each and every it takes to import your history, bookmarks, extensions, apps, and other settings. The first sync can retract a few minutes, but you can Go ahead and start surfing the web even before it’s finished.

    When Chrome OS initially launched, there was nothing to espy in the operating system except the web browser. It took up the complete screen and the only inequity between Chrome OS and the Chrome browser on other platforms was the inclusion of clock, wireless, and battery indicators in one corner.

    Now those indicators own been moved to a taskbar at the bottom of the screen. It fades away when you’re not using it, but you can bring it up just by scrolling your mouse cursor to the bottom edge of the display.

    You can tap the indicators to bring up sliders for screen brightness and volume, a wireless connection manager, and other tools.

    The taskbar likewise shows a list of currently open browser windows, with favicons for each window letting you know which page is open in that window.

    There’s likewise an Applications icon you can press to bring up a complete list of available apps. It looks a lot relish the app drawer in Android or an iOS home screen, with apps arranged along a grid.

    You can tap any icon to launch an app, or right-click to pin an app to the launcher or access other advanced options.

    On the left side of the taskbar there’s a space for you to a space for your pinned apps in the launcher area.

    While the taskbar is one of the biggest changes Google made to Chrome OS this year, the company has likewise made a petite but very well-known change: You don’t own to hasten the web browser as a complete screen app anymore. You can open two or more browser windows and view them side by side, cascade them, or organize them any course you like.

    When I talk about apps, what I really signify are web pages. But these are web pages which you’ve saved to your account for easy access. Some of these apps likewise retract odds of special features in the web browser such as the ability to download information for offline access.

    For instance, you can sync your device with Google Calendar so that you can view your calendar even when you don’t own an energetic internet connection.

    But one of the biggest challenges presented by Chrome OS is the fact that most web apps aren’t available when you can’t access the web — and even those that are may not work properly if you haven’t synchronized your data first. A Chromebook is clearly designed to be used first and foremost with an internet connection, and will be of limited expend in a subway, on an airplane, or in another environment where you may not own trustworthy internet access.

    That said, I was surprised at just how much I was able to accomplish while using the string 5 Chromebook 550. A few years ago I might own create it difficult to net any work done on a computer without Irfanview, GIMP, Microsoft Office or LibreOffice, and other tools I expend for work. Today there are web apps that meet most of my needs — and Chrome OS even has a very basic image editor built in (as does the WordPress web app, so between the two of them I can crop and resize pictures without even relying on a third party web app).

    If I still worked as a radio producer, a Chromebook might not be a remarkable laptop replacement, since editing audio would be a bit of a headache. And I’m not certain I’d want to expend a Chromebook to upload 1GB videos to YouTube when it would be faster and more efficient to expend a Windows PC to transcode them to 100MB MP4 files first.

    But during the few weeks that I’ve had a Chromebook around, I’ve create myself often grabbing it when I requisite to write a blog post, enact some quick web browsing, or even watch some online video — because it’s the fastest, most responsive device in the house at the flash which has a decent keyboard.

    It turns on almost as quickly as an Android tablet, but I can kind about 100 words per minute on a Chromebook, while I’d be lucky to tap out 20 words in a minute on a tablet or phone with an on-screen keyboard.

    Design

    Samsung’s $450 Chromebook has an all-plastic case with a metallic gray finish. The lid and palm ease belt recognize relish they’re covered in brushed aluminum, but that’s just a textured finish on the plastic.

    That’s not necessarily a putrid thing. The plastic case helps retain the expense down, and the laptop is still reasonably thin, light, and attractive — although there’s a bit of flex in the keyboard belt if you’re the sort of person that likes to hammer down arduous on your keys.

    The laptop measures 11.5″ x 8.5″ x 0.83″ and weighs just over 3 pounds. That makes it a hair thicker than a typical ultrabook, but if you placed the string 5 Chromebook 550 next to an ultrabook you’d be forgiven for having a arduous time telling the two apart.

    Like an ultrabook the Chromebook has a sealed bottom panel — there’s no easy course to upgrade the  memory or storage, or even supersede the 51Whr battery.

    Fortunately the laptop gets reasonably superb battery life, with between 6 and 7 hours of hasten time. And unlike the original Samsung string 5 Chromebook which had just 2GB of RAM, the modern model has 4GB which seems to be more than enough for everyday computing in Chrome OS.

    The laptop has just 16GB of storage thanks to a relatively petite solid situation disk — but that’s because you don’t requisite disk space to install files and Google wants you to expend web storage for your documents, music, and other files.

    Samsung’s modern Chromebook is powered by a 1.3 GHz Intel Celeron 867 dual core processor with Intel HD 3000 graphics. It’s not exactly a precipitate demon, but it’s snappy enough for web browsing — and offers a huge performance boost over the Intel Atom N570 chip that was used in ultimate year’s model.

    The laptop has a 12.1 inch, 1280 x 800 pixel pomp matte display. Samsung is one of the only PC makers that seems to gain laptops with matte displays, and while they might not recognize as superb on the store shelf (because they’re less shiny), they recognize a lot better outdoors or near a luminous window (because they’re less shiny).

    Unfortunately the viewing angles leave a lot to be desired. Colors wash out and the screen gets arduous to espy if you tilt back the screen more than a few degrees. Maybe that’s why the laptop lid doesn’t open very wide at all.

    Viewing angles are much better from the side, which means you can probably watch a video with the person sitting in the seat next to you — as long as they’re about the very height. If their eyes are much higher or lower than yours, the screen will be practically invisible.

    On the left side of the Chromebook you’ll find a power jack, a full-sized Ethernet port (with a limited plastic hinge that drops down to accommodate an Ethernet adapter, a DisplayPort, USB 2.0 port, and headset jack.

    The DisplayPort is the only video output, so if you want to connect an external monitor you’ll requisite to either gain certain it supports this relatively modern touchstone or net an adapter.

    On the privilege you’ll find a second USB 2.0 port and an SD card reader which is covered by a limited plastic door. Instead of popping open the door though, each and every you own to enact to expend a glitter card is push it privilege into the door, which slides inward to gain latitude for the SD card.

    There are stereo speakers and several vents on the bottom of the laptop. The fans can net a bit strident at times, especially when you’re watching videos or performing other tasks that tax the CPU.

    The speakers are reasonably strident and pellucid — but they’re laptop speakers. If you really want decent sound, plug in some headphones.

    Around the back of the laptop you’ll find a SIM card slot on 3G capable models.

    Samsung has been making 11 and 12 inch laptops for a while, so the company knows how to gain a decent keyboard. The string 5 Chromebook 550 has an island-style keyboard with flat black keys floating in a sea of grey plastic, with a limited space between each key. I create typing to be reasonably snug and didn’t own any problems typing at complete speed.

    Something that sets a Chromebook apart from a typical laptop though, is the browser-specific keys. There’s no row of F keys above the row of number keys, for instance. Instead you own single-function keys such as forward, back, refresh, and complete screen. There are likewise keys for adjusting the volume and screen brightness in this row.

    On the left side of the keyboard you’ll likewise find a dedicated search key. This laptop does hasten an operating system designed by a search engine company, after all.

    Unfortunately there are a few keys that aren’t on the keyboard which you might miss. There are no Page Up, Page Down, Home, End, or Del keys.

    There are keyboard shortcuts for each of those functions. But they require far more keystrokes than appear absolutely necessary for keys that are so commonly used when surfing the web or writing documents or email messages.

    Here are a few of those shortcuts:

  • PgUp: Alt+Up arrow
  • PgDn: Alt+Down arrow
  • Home: Ctrl+Alt+Left arrow
  • End: Ctrl+Alt+Right arrow
  • Del: Alt+Backspace
  • You can likewise grab a screenshot by pressing Ctrl+the Windows key in the top row which normally lets you switch between browser windows.

    Chromebook Forum has a much more detailed list of keyboard shortcuts — many of which don’t appear to be documented by Google or Samsung.

    Below the keyboard is a big touchpad without any physical left or privilege buttons. You can expend the entire surface to control a mouse cursor, and tap gently on the touchpad to click… sometimes. From time to time, I had to click repeatedly before anything would happen, and some actions only appear to work if you actually press down on the touchpad until you hear an audible click.

    You can scroll up and down by placing two fingers on the touch surface and touching up or down. Two-finger side-to-side scrolling likewise works.

    To emulate a right-click, you expend two fingers to tap the touchpad. This lets you bring up context menus to open links in modern tabs, pin apps to your launcher, or effect other actions.

    For the most partake two-finger clicking works reasonably well, but sometimes if both of your fingers don’t hit the touchpad at exactly the very time, you may halt up triggering a left click instead of a right-click — and that can signify open a link in the current browser tab instead of a modern tab, which can be benign of annoying.

    While it took a limited while to net used to the buttonless touchpad, I own to allege that now every time I pick up a tablet with dedicated left and privilege buttons, I find myself wanting to site two fingers on the surface to right-click. It’s not a perfect system, but it makes it much easier to expend the touchpad with one hand without touching your fingers as far.

    The Chromebook instantly recognized a USB mouse when I plugged one in, and had no problem detecting left and privilege click actions from the mouse.

    What a Chromebook can do

    Chrome OS may be limited more than a web browser, but there are a few key advantages to the course Google’s operating system works.

    First, operating system updates are incredibly simple. When an update is available, Chrome OS will automatically download it in the background when you’re not paying attention. Eventually you’ll notice a limited up arrow in the settings panel indicating that the update is ready.

    The next time you shut down the laptop and turn it back on again, you’ll be running the latest version of Chrome OS. It doesn’t retract significantly longer to reboot after an update than it does to effect a simple reboot. The one time I noticed an update install on my review unit, the total process took less than 20 seconds.

    The second stout odds is a case where less is more: because there’s limited local storage and almost every app you’ll ever hasten on Chrome OS has a web component, you don’t own to worry about backing up your device.

    It’s always backed up by default — because your apps, history, settings, and preferences are each and every synchronized with Google’s servers. If you lose your Chromebook you can pick up exactly where you left off by grabbing another Chromebook — or by simply logging into a Chrome web browser on a Windows, Mac, or Linux computer.

    The operating system is likewise generally safer from malware. Since you’re not actually installing anything to the local device even when you add an app to the launcher, it’s tough for a malicious hacker to enact anything really dangerous.

    Of course, some folks would summon an operating system that stores most of your data on someone else’s server less secure since you own no control over it. Personally I contemplate Google engineers are probably better prepared to protect my files and information than I am, but they likewise clearly represent a bigger target.

    If you’d rather handle your own data backups and other security measures yourself, Chrome OS probably isn’t for you.

    On the other hand, if you disburse most of your time on a computer in a web browser, or if you’re looking for a device with the instant-on qualities of an iPad or Android tablet, but a touchstone keyboard, a Chromebook might be each and every you need.

    Since the Samsung string 5 Chromebook 550 doesn’t hasten Windows there are many apps it cannot run. But you’d be surprised just how many web-based alternatives exist.

    Here are a few web of the web apps I expend the most, and the desktop apps they replace:

    Aviary likewise has a web app called Myna that you can expend to edit audio — with my background as a radio producer I find this intriguing, but I find the view of uploading uncompressed audio, mixing it, and then downloading it to be a limited odd.

    And that’s not counting each and every the apps for web-based service that I expend regularly including Gmail, Google Reader, Netflix, Facebook, and YouTube.

    That’s not to allege that Chrome OS doesn’t include any native apps. There’s a simple file manager which you can expend to find and open files on your device or cut, copy, rename, or delete files.

    There’s no course to access the root file system. Basically each and every you net is a Downloads folder, unless you insert an SD card or USB glitter drive or arduous drive. Then a second drive opens up in the panel on the left, letting you switch between your Downloads folder and external storage.

    Oddly there’s no search office in the file manager, which seems silly for an operating system designed by the makers of the world’s most current search engine.

    Chrome OS likewise includes a basic media player that lets you watch movies and listen to music without an internet connection, a photo viewer and simple image editor, and a document viewer.

    When the Chromebook review unit arrived at my door a few weeks ago, it came with an SD card filled with files to try out. I was amused to determine that I couldn’t open the included Microosft Word, Excel, or PowerPoint documents without an error message. But a few days ago Google pushed out a Chrome OS update and now those documents open without a problem, whether the computer is connected to the internet or not.

    Since Chrome OS is basically just a web browser, documents open in a browser window. Videos play in a complete screen browser window. And a music player pops up in a petite browser window that you can minimize when you want to play audio files.

    The image editor built into the operating system is pretty basic, offering you the ability to crop a picture, adjust brightness, or rotate an image. If you requisite any more advanced features you’ll own to expend a web-based editor such as Aviary.

    I wouldn’t be surprised to espy Google add more functionality to the image editor in the future. The company did buy Aviary competitor Picnik a few years ago. Even though Google shut down Picnik as a standalone service this year, the company clearly has the expertise to build a decent image editing service using nothing but web standards.

    Chrome OS lets you print web pages or other content in two ways. The simplest is to print a page as a PDF. You can then redeem this for later or copy it to a glitter drive or email it to yourself to print on another PC.

    Or you can expend Google Cloud Print. If you own a supported printer connected to the internet, you can route print jobs directly to that printer from the Chrome web browser. If you don’t own a shared printer you can install a Cloud Print app on your PC to turn a printer connected to that computer into a printer that you can expend with Chrome OS or Android.

    But to be honest, it’s benign of a headache, and I suspect if you’re seriously considering buying a laptop that doesn’t hasten native desktop apps, you might already be the sort of person that doesn’t expend a printer very often anyway.

    If you absolutely requisite to hasten Windows apps on a Chromebook, Google offers a Chrome Remote Desktop app that lets you remote control any Mac, Linux, or Windows computer that has the Chrome browser installed.

    Of course, that only works if you’re using your Chromebook while your PC is already running… so I benign of own to sensation why you don’t just walk over to your PC. But I suppose it could near in handy if you requisite to login to your work network to access some files on a PC that you leave running 24/7 for some environmentally unsound reason.

    Although Chrome OS is based on a Linux kernel, at least one well-known website that doesn’t normally play well with Linux works perfectly with Chrome OS. You can stream videos from Netflix even though the website usually only works on computers that can hasten Microsoft’s Silverlight plugin.

    What Chrome OS can’t do

    OK, so it turns out an operating system built around a web browser can enact a lot. But there are some things that it can’t enact that could be a limited disconcerting for long-time Windows, Mac, or Linux users.

    The most well-known inequity between Chrome OS and other operating systems is that a Chromebook becomes about 2000 percent less useful when you disconnect from the internet.

    Chrome OS offline

    Chrome OS offline

    Yes, you can still view photos, watch movies, or listen to music stored locally — but Chromebooks only own 16GB of storage for local files. You won’t be carrying around your entire video collection on this laptop (unless you own a nice collection of very big SD cards).

    Chromebooks are clearly meant to be used with energetic internet connections. Google and third party developers are taking steps to gain them more useful without internet access by edifice offline capabilities into a number of apps.

    You can find a few hundred apps with offline features in the Offline Apps collection in the Chrome Web Store. But most web apps still don’t work offline — and many of those that enact are useless unless you own the foresight to sync or cache your data before disconnecting from the internet.

    For example, Google Calendar works offline — but only if you sync your calendar before going offline. If you haven’t opened Google Calendar recently or haven’t enabled offline access, opening it while you’re on an airplane will either result in a blank screen or an out-of-date calendar.

    This should Go without saying, but another thing you can’t enact with a Chromebooks is hasten apps that aren’t available on the web.

    Want to hasten Adobe Photoshop, Microsoft Office, Stata, Final slice Pro, Diablo III, or Portal 2? Tough. There are plenty of online apps that present similar features — Microsoft even has a web-based version of Office. But if you want to hasten those apps specifically, you’re out of luck.

    There’s likewise no uphold for Microsoft Silverlight, an Adobe glitter alternative. I don’t espy that as a stout problem because the only website I’ve ever regularly used that requires Silverlight is Netflix… and that works with Chrome OS anyway. But if you requisite Silverlight, a Chromebook isn’t going to slice it.

    As mentioned above, you can connect a Chromebook wirelessly to a printer using Google Cloud Print, but unless you own a supported printer, it’s a bit of a headache to set up.

    Likewise, you can connect an external display. But for some reason Samsung included a DisplayPort jack instead of a VGA, HDMI, or DVI port. If your monitor doesn’t expend DisplayPort (and most older monitors don’t), you’re going to requisite an adapter.

    Performance

    Normally this would be the section where I would hasten a string of benchmarks to test CPU and graphics performance. But my accustomed set of tests are designed for Windows computers, not Chrome OS.

    Fortunately there are a few browser-based benchmarks which point to how the Chromebook compares to other devices in terms of JavaScript and HTML5 performance. Of course, the don’t bid the total story, but they enact give us a bit of a basis for comparison.

    The SunSpider benchmark is designed to test JavaScript performance, while Peacekeeper is a test that looks at performance for a number of different HTML5 features including video playback, 2D and 3D gaming, and multitasking.

    I ran each test on three different devices: The string 5 Chromebook 550 with an Intel Celeron 867 CPU, an HP Pavilion dm1 notebook with an AMD E2-1800 Brazos 2.0 processor, and a Dell Inspiron 537S desktop with an Intel Core 2 Duo E7400 processor — the most powerful PC in my house at the moment.

    As you might expect, the Chromebook was outclassed in the SunSpider test… but it wasn’t that far behind the others. Most of the Android tablets I’ve tested, for instance, own scores of 2000 or higher — and lower scores are better in this test.

    Things got even more racy with the Peacekeeper benchmark — where the Chromebook came out well ahead of the HP Pavilion… but still behind the 3-year brokendown Dell desktop.

    OK, but these benchmarks test performance under ersatz conditions. What’s it relish to expend a Chromebook on a day to day basis?

    Pretty good.

    Last year’s model may own had a netbook processor, but it managed to boot, resume from sleep, and generally hasten faster than a typical netbook due to its streamlined operating system.

    But the Intel Atom N570 processor and 2GB of RAM started to point to their limitations when you tried to stream HD videos over the internet or open more than 5 or 6 browser tabs at a time.

    Those problems own disappeared with Samsung’s second Chromebook. I had no problems streaming 1080p HD video from YouTube, HD video from Netflix, or full-screen video from Hulu. And the laptop never slowed down no matter how many browser tabs I had open at once — although to be fair, I don’t contemplate I ever really tried more than a dozen or so.

    I contemplate Google, Acer, and Samsung were on the privilege track when they released the first Chromebooks with Intel Atom powers… but they missed the notice a bit. You don’t requisite a blazing snappy CPU or an stupendous amount of RAM to hasten Chrome OS effectively.

    But you do requisite something a bit faster than a netbook, and the Chromebook 550 with its Celeron 550 processor and 4GB of RAM delivers.

    VerdictThe Samsung string 5 Chromebook 550 isn’t for everyone. For $450 or more you can buy a decent Windows laptop, install the Chrome web browser, and enact almost everything that you can enact with a Chromebook.

    But you can enact many of those things better with a Chromebook if the web browser is your most well-known app. The Chromebook 550 boots more quickly than a typical laptop, resumes from sleep nearly instantly, and generally offers the benign of responsiveness you’d hope from a superb Apple or Android tablet, not a notebook.

    You likewise never own to worry about updating your operating system, apps, or virus protection software.

    Chromebooks might be a superb solution for industry or enterprise settings where IT managers can hand out a string of notebooks configured to only hasten web apps, allowing users to login to corporate websites to hasten specific apps for email, document collaboration, payroll management, or other functions.

    Since Chromebooks retain data backed up online, if you lose or breaks a laptop, the IT department can issue a modern one and net you back up and running as soon as you enter your user ID and password.

    As a consumer product, it would be easier to recommend a computer relish a Chromebook which does less than a typical laptop if it cost less. But you can buy an HP Pavilion dm1 Windows 7 notebook with similar features for less money.

    But in some ways, less is more, and if you’re sold on the web app-driven future, a Chromebook could gain a decent substitute for (or compliment to) a traditional laptop.



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    Operations & Process Management: Principles & Practice for Strategic ImpactOperations & Process Management: Principles & Practice for Strategic Impact
    By Nigel Slack, Alistair Jones
    Publisher : Pearson (Feb 2018)
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    Publisher : Pearson (Aug 2017)
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