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000-674 xSeries - Windows 2000 Installation/Performance Optimization

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000-674 exam Dumps Source : xSeries - Windows 2000 Installation/Performance Optimization

Test Code : 000-674
Test denomination : xSeries - Windows 2000 Installation/Performance Optimization
Vendor denomination : IBM
: 68 existent Questions

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IBM IBM xSeries - Windows

Lenovo launches windows 7 ThinkPads with multitouch and outside displays | killexams.com existent Questions and Pass4sure dumps

Lenovo's Windows 7-based multitouch ThinkPad tabletWith the October 22 rollout of Microsoft's unusual operating device now petite over a month away, Lenovo these days introduced transportable PCs with two animated panoply alternatives: a multitouch display, stronger by means of a unusual application called SimpleTap, plus a brilliant brilliant panoply visible even beneath the sunniest skies.

Lenovo is offering the brand unusual multiscreen expertise with each its T400s desktop and X200 tablet notebook. The super vibrant monitors, youngsters, should be accessible handiest with the X200 tablets, mentioned Mika Majapura, global phase manager for ThinkPad X-sequence, in a briefing for Betanews.

SimpleTap, a brand unusual multitouch software designed via Lenovo, will buttress unusual multitouch and gesturing capabilities in windows 7 by providing a "short access ply center." through double-tapping on SimpleTap's pre-built "tiles," that you could straight away accomplish functions akin to zooming in or out or muting and unmuting the microphone. Double-tapping different tiles brings up sliders for adjusting extent and movie brightness.

"a further pleasing aspect is so you might customise SimpleTap by way of adding your own tiles," stated Aaron Stewart, a member of Lenovo's consumer taste and Design crew. You could add a tile that brings up a YouTube video, for example.

which you can additionally spend contact to position the tiles anyplace you are looking to on the screen, and you can "fling" the tiles just for enjoyable. Lenovo is together with a realignment tile, too, for bringing the tiles returned to their fashioned positions.

"all the companies available were figuring out how they can differentiate their home windows 7 PCs," accompanied Leslie Fiering, research VP at Gartner. "The multitouch in windows 7 is whatever that individuals will truly be pointing to," the Gartner analyst told Betanews.

past the specific improvements Lenovo has collect a hold of for Microsoft's multitouch, Lenovo will stand out from the pack of other home windows 7 pc companies with its "outside monitor," maintained Rob Enderle, principal analyst at the Enderle community.

"There hasn't been anything else accessible that works outside relish this, and there may not be anything else that [does so] on October 22, either."

prior to now, tremendous sparkling displays had been in reality restrained to military PCs," based on Enderle. "The displays [in the soldiers' PCs] were massive and heavy, and that they've eaten up a lot of battery lifestyles," the analyst noted.

but Majapura instructed Betanews that Lenovo's engineers had been in a position to spend direct bonding know-how -- along with the right substances -- to add an anti-glare layer to the screen devoid of adding extensively greater weight.

Lenovo's tremendous brilliant screens bear reflectivity of most efficient 1.2%, in evaluation to 4% to 8% for usual displays, he estimated. The vivid monitors are engineered to be pleasant to battery lifestyles in addition to reducing glare.

but for the moment, at least, Lenovo is not combining the unusual "super vibrant" and multitouch capabilities within the equal display, because doing so would bring too an abominable lot bulk, Majapura spoke of. users of Lenovo drugs will deserve to construct a preference from these unusual panoply options.

also in the unusual PCs, Lenovo has carried out firmware tweaks for enhanced touch performance, similar to extending plenary touch capabilities outright the strategy to the bezel and preventing interference from fingerprints on the reveal. The multitouch screens on the capsules will capitalize two-finger gestures, whereas the multitouch monitors on the T400s will assist four-finger gestures. Lenovo's previous touchscreens supported single-finger gestures handiest.

Yet each the two- and 4-finger gestures could even work with utility functions now not developed for home windows 7, Stewart said. essentially, he counseled, the multitouch know-how invokes role commands at the working gadget level. "Most present utility functions these days already assist 'zoom' services, for instance," he illustrated.

besides the fact that children Lenovo's newest ThinkPads don't look to be exactly low-priced, the company additionally sells products within the much less expensive netbook segment. but Lenovo's netbooks are aimed at distinctive makes spend of than its pills and laptops, in line with Majapura.

"There are people -- together with students and academics -- who practically can not live without their drugs," he contended. The tablet PCs are additionally utilized in vertical markets such as coverage and health care.

Majapura mentioned he expects that, due to their enablement for 4-finger gesturing, the multitouch T400s laptops might be used mostly by engineers, architects, and different designers in the beginning, and perhaps by way of gamers somewhere down the highway.

Priced genesis at $1,729 for a multitouch expose and $1,779 for an out of doors reveal, the unusual X200 tablets can be organize instantly. The ThinkPad T400s with the multitouch expose will delivery shipping later this month, at pricing starting at about $1,999.

The SimpleTap software requires home windows 7, and Lenovo plans to free up the software as downloadable application after Microsoft's launch of the brand unusual OS on October 22.


Cuyahoga Falls Brings metropolis capabilities on-line With the IBM iSeries and Linux | killexams.com existent Questions and Pass4sure dumps

BOSTON, MA -- (MARKET WIRE) -- 02/15/05 -- LINUXWORLD -- IBM these days introduced that the metropolis of Cuyahoga Falls, Ohio is using the ultra-authentic IBM eServer iSeries server running Linux and IBM WebSphere application to provide its residents with unusual online city capabilities.

via simplifying its IT environment and affecting some features online, the city will in the reduction of the prices of administration, allowing it to construct investments those saved components in additional classes for its residents. as an example, the city's local businesses and just about 50,000 residents are actually in a position to spend its improved web page, Cuyahoga Falls on-line (CFO), to enter earnings tax suggestions and generate a metropolis of Cuyahoga Falls earnings Tax recrudesce for the April fifteenth closing date. moreover, the metropolis will spend the iSeries server because the groundwork for edifice different on-line functions -- linked by WebSphere application -- coming in 2005, together with: the means to view and pay utility bills; follow, pay for and account constructing makes it feasible for; schedule inspections; purchase passes for its aquatic core; construct reservations and join courses at the metropolis's leisure facilities; and reserve tee instances at a native golf course.

"With the metropolis's industry progress and residential inhabitants transforming into drastically over the last 5 years, it changed into Important to select an reply that might proceed to lengthen crucial capabilities reliably and without detain at a reasonably-priced," says John Konich, supervisor of tips methods for the metropolis of Cuyahoga Falls. "The iSeries server has outright the time delivered value for us and with the option of working assorted working programs -- mainly adding Linux -- the unusual iSeries server supplied unmatched benefits. they are assured in their preference as they roll out these further real-time functions for their residents in 2005."

a long-time iSeries customer, the city, working with its IBM enterprise companion Berbee counsel Networks, brought to its iSeries infrastructure by paying for the most recent technology of the IBM iSeries server -- the eServer i5 550 server, in late 2004 on account of here differentiators:

-- because launching an iSeries server in the early 1990s, the city has suggested negligible downtime because of its IT community. -- The platform offer wonderful protection protection corresponding to IDS (Intrusion Detection device), which is a crucial intuition why small and mid-size corporations, relish Cuyahoga Falls, depend on the platform to deliver, in some instances, sensitive services and offerings to its elements. -- the brand unusual i5 550 server simplified the city's IT atmosphere through integrating software comparable to Tivoli access manager and WebSphere 5.02 across different working equipment, i5/OS and Linux SUSE v.9. The iSeries paraphernalia comes with built-in hardware and applications-connected software. The server can hasten diverse operating methods concurrently -- i5/OS, AIX 5L, Linux on energy, and Microsoft home windows (via an integrated xSeries Server or an built-in xSeries Adapter).

IBM Tivoli access manager for working techniques will convey a high degree of security for the newly simplified IT ambiance. The software securely locks down functions, data on UNIX and Linux working systems to aid sustain away from unauthorized entry. This safety capacity blocks both insiders and outsiders from unauthorized access to and spend of constructive and personal records.

"Like different leading metropolis and state governments, The metropolis of Cuyahoga Falls has introduced Linux to its 'main highway' to easily carry imperative services to residents," says Peter Bingaman, vice president, IBM eServer iSeries. "The iSeries platform running Linux has allowed the metropolis of Cuyahoga Falls to reduce their IT prices and funnel some of these reductions into growing different on-line capabilities which are valuable to the community. IBM is joyful to give such advantageous options to valued clientele together with government entities in the U.S. and around the globe."

application for the unusual CFO paraphernalia is equipped by SunGard HTE Inc. and Vermont techniques. SunGard HTE's neighborhood construction and utility billing software gives local companies and residents the capability to view and pay utility bills; apply, pay for and contemplate about constructing makes it feasible for; and schedule inspections.

Cuyahoga Falls, Ohio was headquartered in 1812. Cuyahoga Falls online features are obtainable through www.cityofcf.com.

concerning the IBM eServer iSeries

the realm's most conventional server for mid-measurement company operations, the IBM iSeries holds the IT trade's greatest set up base for midrange servers. In might furthermore 2004, IBM added the POWER5 processor for the primary time on the iSeries platform, with the eServer i5 server. The iSeries gadget starts at a single processor and scales as much as a sixty four-way processor and offers consumers super-integration and hardware compatibility simplifying operations. The iSeries powers hundreds of the world's most everyday industry applications whereas working diverse operating environments, concurrently decreasing the freight of IT environments so groups can reinvest in increase.

About IBM

IBM is the area's biggest assistance expertise enterprise, with 80 years of management in helping organizations innovate. Drawing on materials from across IBM and key IBM industry partners, IBM offers a wide scope of capabilities, options and technologies that enable consumers, mountainous and small, to buy plenary competencies of the brand unusual era of e-company. For extra assistance about IBM, visit http://www.ibm.com.

right here are both trademarks or registered trademarks of strange industry Machines supplier in the u.s. or different nations or each: IBM, the IBM e-company brand, eServer, iSeries, POWER5, Tivoli, and Informix.

All others are trademarks or registered logos of their respective groups. Statements regarding IBM's future edifice plans and schedules are made for planning purposes only, and are region to exchange or withdrawal without note.

Linux is a trademark of Linus Torvalds in the u.s., different nations, or both.

other company, product, or carrier names can be logos or provider marks of others.

Contact:Colleen HaikesIBM Media relations(415) 545-4003chaikes@us.ibm.com


Lenovo ThinkPad X220 pill assessment | killexams.com existent Questions and Pass4sure dumps

Lenovo ThinkPad X220 TabletThe ThinkPad X220 pill is Lenovo’s newest and pattern convertible desktop. As portion of Lenovo’s recent ThinkPad X sequence refresh that includes the mind-blowing X220 computing device, this windows 7 pill aspects a 12.5-inch screen, Wacom digitizer, and Intel’s unusual Sandy Bridge processor. It’s additionally a tricky son of a gun, passing eight US armed forces checking out necessities for workstation-killers relish humidity, shock, sand, and temperature extremes.

One issue on the pedigree and specs, and furthermore you recognize the Lenovo ThinkPad X220 tablet is good, however is it respectable sufficient to warrant a starting cost of $1,200 at launch? examine this Lenovo ThinkPad X220 tablet review to find out.

construct & DESIGN

The X220 pill’s design doesn't deviate from the last technology X200 tablet or the relaxation of the ThinkPad lineup, classy portion series excluded. The X220 tablet is dressed in all-business black, with a magnesium alloy and plastic construct featuring mild texture. the base unit is boxy, however points a qualify protrusion on confiscate of the monitor that serves the X220 pill’s instant antennas, and the six-cell battery that shipped with my review unit adds massive overhang to the back, which provides a pleasant gripping factor when carrying the tablet from meeting to meeting while including just a petite of distinction to a very fascinating and knowledgeable gadget.

Lenovo ThinkPad X220 TabletIt’s additionally a extremely difficult machine, and when held, appears relish it became carved from a Great hunk of plastic. There is no Important flex or creek when held, and Lenovo claims the X220 tablet passes many mil-spec assessments for humidity, temperature, and different unsafe elements. while it’s likely now not as challenging as probably the most rugged convertibles they verify at TabletPCReview, the X220 pill will address common wear-and-tear without a problems.

The panoply hinge is chiefly tight and well developed. unluckily, it handiest rotates 180 levels in a single path, and i accidently attempted to rotate it within the wrong route greater than once. happily, the X220 pill shrugged off the attempt and the hinge showed no sign of strain. The screen furthermore opens up a plenary 180 degrees.

ultimately, IT departments and tinkerers can be satisfied to observe Lenovo covered handy entry to the RAM slots and difficult force. The difficult power latch is simply secured through one screw and the RAM slots are hidden directly below the main entry panel. The evaluate unit they bought shipped with a 4GB chip in one slot whereas the other became vacant.

monitor and audio systemLenovo ThinkPad X220 TabletThe X220 pill aspects a 12.5-inch IPS monitor (1366 x 768) and ships with optional Gorilla glass for extended ruggedness. The monitor does a expedient job of shrugging off glare, however it additionally isn’t mainly bright. workplace workers will locate it perfectly confiscate for indoor use, however its relative dimness construct it confiscate for only the occasional out of doors expedition.

As with most different contact-enabled displays, there is a really first-rate however noticeable grain covering the screen. I’ve heard some clients consult with it as a qualify haze, which is an apt description. in any other case, viewing angles are staggering and the colors not ever invert, with about a ten-diploma sweet spot in entrance of the X220 pill the situation brightness and contrast are most excellent. outside of that zone, the monitor seems to dim and contrast lessens.

The expose supports up two contact inputs, meaning fingerprints can accumulate instantly. The anti-glare expose does a very expedient job of furthermore shrugging off smudges, but they eventually will construct up and own a significant and terrible impact on the monitor. A microfiber material is recommended, and thankfully, Lenovo protected one with the assessment unit.

most likely I’m spoiled via my iPad 2, however relish other convertibles available on the market, the Lenovo X220 tablet doesn't role an orientation sensor, which I locate disappointing. This capacity that the panoply will no longer automtically orientate when positioned in pill mode. users ought to manually regulate to landscape or portrait mode by means of a button under the reveal that rotates the monitor 90 levels when pressed.

(update 5/13/eleven: Some very an expert TabletPCReview forum contributors mentioned that the X220 pill does feature an lively orientation mode, and the setting is available within the SimpeTap settings.)

Lenovo ThinkPad X220 TabletThe X220 pill ships with a force-sensitive Wacom pen. because it’s Wacom, the pen doesn't require a battery, and the pen facets one button on the grip and a eraser nub at the end. It’s very gentle and simply lengthy sufficient to leisure conveniently in my hand when inking.

The pen slots without detain into the X220 pill when no longer in spend and the screen registers the pen curser when the pen floats upwards of three or 4 centimeters about it. I organize the pen to be enormously reform with out a lag following calibration. Excessively rapid scribbling will throw it off a brace of millimeters, at which point a short manual calibration is required to reform the ship.

The compel tip isn't nearly as extreme because the one discovered on the Fujitsu LifeBook T580’s N-trig pen. The X220 pill will register even the lightest strokes, and heavier strokes influence in barely a a petite thicker line. Of both, the N-trig pen is basically extra suitable for artists and designers, and i’ll buy this Wacom providing for my daily inking wants.

Lenovo ThinkPad X220 Tablettouch sensitivity is furthermore consummate although doesn't in shape the fluid taste organize on the iPad or emulate Android tablets. The X220 pill supports up to 2 inputs, which works well for pinch-to-zoom and different gestures including a series of flick-primarily based shortcuts. Lenovo furthermore applied the SimpleTap OS epidermis that calls up a customizable set of shortcuts, every represented by a large, faucet pleasant icon. clients can exchange regular settings and summon up favourite courses via SimpleTap, or without problems ignore it. I organize it constructive, however suggest sticking with the pen or touchpad for most X220 pill navigation given the precision required with windows 7.

The audio system carry out a suitable job of spitting out sound, although didn’t wow with quantity or constancy. they're satisfactory for personal use, be it a webcast or video name, but industry clients can own situation filling up a larger convention with sound forward assembly time. I carry out relish their placement on the monitor as they direct sound at the consumer each in computing device and pill mode, which is preferable to the X220 computer’s speaker placement on the lessen entrance area.

Our overview unit of the Lenovo ThinkPad X220 tablet elements the following standards:

  • Intel Core i5-2520M twin-core processor (2.5GHz, 3MB cache)
  • windows 7 skilled (64-bit)
  • 12.5-inch HD (1366 x 768) screen (IPS), two-finger multitouch/5 finger gesture and lively pen enter
  • Intel built-in HD pix
  • 4GB DDR3 (1333MHz)
  • 320GB Seagate Momentus thin difficult drive, 5400rpm
  • Intel Centrino advanced-N + WiMAX 6250 (Kilmer peak) 2×2 AGN wireless card
  • 720p excessive Definition webcam
  • Fingerprint reader
  • reveal Port, 3 USB 2.0 port (1 at outright times On port)
  • 6-mobilephone battery and not obligatory slice battery
  • Dimensions: 12 (L) x 9 (W) x 1.05 – 1.23 (H) inches
  • Weight: 3.ninety nine pounds with 6-telephone battery
  • rate as configured: $1,569.00 (starting at $1,199.00)

  • 000-674 xSeries - Windows 2000 Installation/Performance Optimization

    Study sheperd Prepared by Killexams.com IBM Dumps Experts


    Killexams.com 000-674 Dumps and existent Questions

    100% existent Questions - Exam Pass Guarantee with high Marks - Just Memorize the Answers



    000-674 exam Dumps Source : xSeries - Windows 2000 Installation/Performance Optimization

    Test Code : 000-674
    Test denomination : xSeries - Windows 2000 Installation/Performance Optimization
    Vendor denomination : IBM
    : 68 existent Questions

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    This is my first time that I took this carrier. I sense very confident in 000-674 however. I allocate together my 000-674 the spend of questions and answers with exam simulator softare via using killexams.Com crew.


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    Start preparing these 000-674 questions answers and chillout.
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    xSeries - Windows 2000 Installation/Performance Optimization

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    King of the network operating systems | killexams.com existent questions and Pass4sure dumps

    COMPUTINGFrom...Network World Fusion networking

    January 24, 2000Web posted at: 12:11 p.m. EST (1711 GMT)

    by John Bass and James Robinson, Network World Test Alliance

    (IDG) -- It outright boils down to what you're looking for in a network operating system (NOS).

    Do you want it scrawny and resilient so you can install it any way you please? Perhaps administration bells and management whistles are what you requisite so you can deploy several hundred servers. Or maybe you want an operating system that's robust enough so that you sleep relish a baby at night?

    The expedient word is that there is a NOS waiting just for you. After the rash of recent software revisions, they took an in-depth survey at four of the major NOSes on the market: Microsoft's Windows 2000 Advanced Server, Novell's NetWare 5.1, Red Hat Software's Linux 6.1 and The Santa Cruz Operation's (SCO) UnixWare 7.1.1. Sun declined their invitation to submit Solaris because the company says it's working on a unusual version.

    Microsoft's Windows 2000 edges out NetWare for the Network World Blue Ribbon Award. Windows 2000 tops the bailiwick with its management interface, server monitoring tools, storage management facilities and security measures.

    However, if it's performance you're after, no product came close to Novell's NetWare 5.1's numbers in their exhaustive file service and network benchmarks. With its lightning-fast engine and Novell's directory-based administration, NetWare offers a Great base for an enterprise network.

    We organize the latest release of Red Hat's commercial Linux bundle led the list for flexibility because its modular design lets you pare down the operating system to suit the task at hand. Additionally, you can create scripts out of multiple Linux commands to automate tasks across a distributed environment.

    While SCO's UnixWare seemed to lag behind the pack in terms of file service performance and NOS-based administration features, its scalability features construct it a strong candidate for running enterprise applications.

    The numbers are in

    Regardless of the job you saddle your server with, it has to accomplish well at reading and writing files and sending them across the network. They designed two benchmark suites to measure each NOS in these two categories. To reflect the existent world, their benchmark tests account a wide scope of server conditions.

    NetWare was the hands-down leader in their performance benchmarking, taking first situation in two-thirds of the file tests and earning top billing in the network tests.

    Red Hat Linux followed NetWare in file performance overall and even outpaced the leader in file tests where the read/write loads were small. However, Linux did not accomplish well handling large loads - those tests in which there were more than 100 users. Under heavier user loads, Linux had a tendency to stop servicing file requests for a short age and then start up again.

    Windows 2000 demonstrated penniless write performance across outright their file tests. In fact, they organize that its write performance was about 10% of its read performance. After consulting with both Microsoft and Client/Server Solutions, the author of the Benchmark Factory testing tool they used, they determined that the penniless write performance could be due to two factors. One, which they were unable to verify, might be a feasible performance problem with the SCSI driver for the hardware they used.

    More significant, though, was an issue with their test software. Benchmark Factory sends a write-through flag in each of its write requests that is supposed to intuition the server to update cache, if appropriate, and then compel a write to disk. When the write to disk occurs, the write summon is released and the next request can be sent.

    At first glance, it appeared as if Windows 2000 was the only operating system to veneration this write-through flag because its write performance was so poor. Therefore, they ran a second round of write tests with the flag turned off.

    With the flag turned off, NetWare's write performance increased by 30%. This test proved that Novell does indeed veneration the write-through flag and will write to disk for each write request when that flag is set. But when the write-through flag is disabled, NetWare writes to disk in a more efficient manner by batching together contiguous blocks of data on the cache and writing outright those blocks to disk at once.

    Likewise, Red Hat Linux's performance increased by 10% to 15% when the write-through flag was turned off. When they examined the Samba file system code, they organize that it too honors the write-through flag. The Samba code then finds an optimum time during the read/write sequence to write to disk.

    This second round of file testing proves that Windows 2000 is dependent on its file system cache to optimize write performance. The results of the testing with the write-through flag off were much higher - as much as 20 times faster. However, Windows 2000 still fell behind both NetWare and RedHat Linux in the file write tests when the write-through flag was off.

    SCO honors the write-through flag by default, since its journaling file system is constructed to maximize data integrity by writing to disk for outright write requests. The results in the write tests with the write-through flag on were very similar to the test results with the write-through flag turned off.

    For the network benchmark, they developed two tests. Their long TCP transaction test measured the bandwidth each server can sustain, while their short TCP transaction test measured each server's capacity to ply large numbers of network sessions with small file transactions.

    Despite a penniless showing in the file benchmark, Windows 2000 came out on top in the long TCP transaction test. Windows 2000 is the only NOS with a multithreaded IP stack, which allows it to ply network requests with multiple processors. Novell and Red Hat whisper they are working on integrating this capability into their products.

    NetWare and Linux furthermore registered strong long TCP test results, coming in second and third, respectively.

    In the short TCP transaction test, NetWare came out the transparent winner. Linux earned second situation in spite of its want of support for abortive TCP closes, a fashion by which an operating system can quickly tear down TCP connections. Their testing software, Ganymede Software's Chariot, uses abortive closes in its TCP tests.

    Moving into management

    As enterprise networks grow to require more servers and support more terminate users, NOS management tools become crucial elements in keeping networks under control. They looked at the management interfaces of each product and drilled down into how each handled server monitoring, client administration, file and print management, and storage management.

    We organize Windows 2000 and NetWare provide equally useful management interfaces.

    Microsoft Management Console (MMC) is the glue that holds most of the Windows 2000 management functionality together. This configurable graphical user interface (GUI) lets you snap in Microsoft and third-party applets that customize its functionality. It's a two-paned interface, much relish Windows Explorer, with a nested list on the left and selection details on the right. The console is easy to spend and lets you configure many local server elements, including users, disks, and system settings such as time and date.

    MMC furthermore lets you implement management policies for groups of users and computers using lively Directory, Microsoft's unusual directory service. From the lively Directory management tool inside MMC, you can configure users and change policies.

    The network configuration tools are organize in a separate application that opens when you click on the Network Places icon on the desktop. Each network interface is listed inside this window. You can add and change protocols and configure, enable and disable interfaces from here without rebooting.

    NetWare offers several interfaces for server configuration and management. These tools offer duplicate functionality, but each is useful depending from where you are trying to manage the system. The System Console offers a number of tools for server configuration. One of the most useful is NWConfig, which lets you change start-up files, install system modules and configure the storage subsystem. NWConfig is simple, intuitive and predictable.

    ConsoleOne is a Java-based interface with a few graphical tools for managing and configuring NetWare. Third-party administration tools can plug into ConsoleOne and let you manage multiple services. They contemplate ConsoleOne's interface is a bit unsophisticated, but it works well enough for those who must own a Windows- based manager.

    Novell furthermore offers a Web-accessible management application called NetWare Management Portal, which lets you manage NetWare servers remotely from a browser, and NWAdmin32, a relatively simple client-side tool for administering Novell Directory Services (NDS) from a Windows 95, 98 or NT client.

    Red Hat's overall systems management interface is called LinuxConf and can hasten as a graphical or text-based application. The graphical interface, which resembles that of MMC, works well but has some layout issues that construct it difficult to spend at times. For example, when you hasten a setup application that takes up a lot of the screen, the system resizes the application larger than the desktop size.

    Still, you can manage pretty much anything on the server from LinuxConf, and you can spend it locally or remotely over the Web or via telnet. You can configure system parameters such as network addresses; file system settings and user accounts; and set up add-on services such as Samba - which is a service that lets Windows clients collect to files residing on a Linux server - and FTP and Web servers. You can apply changes without rebooting the system.

    Overall, Red Hat's interface is useful and the underlying tools are powerful and flexible, but LinuxConf lacks the polish of the other vendors' tools.

    SCO Admin is a GUI-based front terminate for about 50 SCO UnixWare configuration and management tools in one window. When you click on a tool, it brings up the application to manage that particular in a separate window.

    Some of SCO's tools are GUI-based while others are text-based. The server required a reboot to apply many of the changes. On the plus side, you can manage multiple UnixWare servers from SCOAdmin.

    SCO furthermore offers a useful Java-based remote administration tool called WebTop that works from your browser.

    An eye on the servers and clients

    One Important administration task is monitoring the server itself. Microsoft leads the pack in how well you can sustain an eye on your server's internals.

    The Windows 2000 System Monitor lets you view a real-time, running graph of system operations, such as CPU and network utilization, and memory and disk usage. They used these tools extensively to determine the outcome of their benchmark tests on the operating system. Another tool called Network Monitor has a basic network packet analyzer that lets you observe the types of packets coming into the server. Together, these Microsoft utilities can be used to compare performance and capacity across multiple Windows 2000 servers.

    NetWare's Monitor utility displays processor utilization, memory usage and buffer utilization on a local server. If you know what to survey for, it can be a powerful tool for diagnosing bottlenecks in the system. Learning the meaning of each of the monitored parameters is a bit of a challenge, though.

    If you want to survey at performance statistics across multiple servers, you can tap into Novell's Web Management Portal.

    Red Hat offers the standard Linux command-line tools for monitoring the server, such as iostat and vmstat. It has no graphical monitoring tools.

    As with any Unix operating system, you can write scripts to automate these tools across Linux servers. However, these tools are typically cryptic and require a high flat of proficiency to spend effectively. A suite of graphical monitoring tools would be a Great addition to Red Hat's Linux distribution.

    UnixWare furthermore offers a number of monitoring tools. System Monitor is UnixWare's simple but limited GUI for monitoring processor and memory utilization. The sar and rtpm command-line tools together list real-time system utilization of buffer, CPUs and disks. Together, these tools give you a expedient overall understanding of the load on the server.

    Client administration

    Along with managing the server, you must manage its users. It's no surprise that the two NOSes that ship with an integrated directory service topped the bailiwick in client administration tools.

    We were able to configure user permissions via Microsoft's lively Directory and the directory administration tool in MMC. You can group users and computers into organizational units and apply policies to them.

    You can manage Novell's NDS and NetWare clients with ConsoleOne, NWAdmin or NetWare Management Portal. Each can create users, manage file space, and set permissions and rights. Additionally, NetWare ships with a five-user version of Novell's ZENworks tool, which offers desktop administration services such as hardware and software inventory, software distribution and remote control services.

    Red Hat Linux doesn't offer much in the way of client administration features. You must control local users through Unix authorization configuration mechanisms.

    UnixWare is similar to Red Hat Linux in terms of client administration, but SCO provides some Windows binaries on the server to remotely set file and directory permissions from a Windows client, as well as create and change users and their settings. SCO and Red Hat offer support for the Unix-based Network Information Service (NIS). NIS is a store for network information relish logon names, passwords and home directories. This integration helps with client administration.

    Handling the staples: File and print

    A NOS is nothing without the capacity to share file storage and printers. Novell and Microsoft collected top honors in these areas.

    You can easily add and maintain printers in Windows 2000 using the print administration wizard, and you can add file shares using lively Directory management tools. Windows 2000 furthermore offers Distributed File Services, which let you combine files on more than one server into a single share.

    Novell Distributed Print Services (NDPS) let you quickly incorporate printers into the network. When NDPS senses a unusual printer on the network, it defines a Printer Agent that runs on the printer and communicates with NDS. You then spend NDS to define the policies for the unusual printer.

    You define NetWare file services by creating and then mounting a disk volume, which furthermore manages volume policies.

    Red Hat includes Linux's printtool utility for setting up server-connected and networks printers. You can furthermore spend this GUI to create printcap entries to define printer access.

    Linux has a set of command-line file system configuration tools for mounting and unmounting partitions. Samba ships with the product and provides some integration for Windows clients. You can configure Samba only through a cryptic configuration ASCII file - a serious drawback.

    UnixWare provides a resilient GUI-based printer setup tool called Printer SetUp Manager. For file and volume management, SCO offers a tool called VisionFS for interoperability with Windows clients. They used VisionFS to allow their NT clients to access the UnixWare server. This service was easy to configure and use.

    Storage management

    Windows 2000 provides the best tools for storage management. Its graphical Manage Disks tool for local disk configuration includes software RAID management; you can dynamically add disks to a volume set without having to reboot the system. Additionally, a signature is written to each of the disks in an array so that they can be moved to another 2000 server without having to configure the volume on the unusual server. The unusual server recognizes the drives as members of a RAID set and adds the volume to the file system dynamically.

    NetWare's volume management tool, NWConfig, is easy to use, but it can be a petite confusing to set up a RAID volume. Once they knew what they were doing, they had no problems formatting drives and creating a RAID volume. The tool looks a petite primitive, but they give it high marks for functionality and ease of use.

    Red Hat Linux offers no graphical RAID configuration tools, but its command line tools made RAID configuration easy.

    To configure disks on the UnixWare server, they used the Veritas Volume Manager graphical disk and volume administration tool that ships with UnixWare. They had some problems initially getting the tool to recognize the drives so they could be formatted. They managed to work around the disk configuration problem using an assortment of command line tools, after which Volume Manager worked well.

    Security

    While they did not probe these NOSes extensively to expose any security weaknesses, they did survey at what they offered in security features.

    Microsoft has made significant strides with Windows 2000 security. Windows 2000 supports Kerberos public key certificates as its primary authentication mechanism within a domain, and allows additional authentication with smart cards. Microsoft provides a Security Configuration Tool that integrates with MMC for easy management of security objects in the lively Directory Services system, and a unusual Encrypting File System that lets you designate volumes on which files are automatically stored using encryption.

    Novell added support for a public-key infrastructure into NetWare 5 using a public certificate schema developed by RSA Security that lets you tap into NDS to generate certificates.

    Red Hat offers a basic Kerberos authentication mechanism. With Red Hat Linux, as with most Unix operating systems, the network services can be individually controlled to extend security. Red Hat offers Pluggable Authentication Modules as a way of allowing you to set authentication policies across programs running on the server. Passwords are protected with a shadow file. Red Hat furthermore bundles firewall and VPN services.

    UnixWare has a set of security tools called Security Manager that lets you set up varying degrees of intrusion protection across your network services, from no restriction to turning outright network services off. It's a expedient management time saver, though you could manually modify the services to achieve the very result.

    Stability and foible tolerance

    The most feature-rich NOS is of petite value if it can't sustain a server up and running. Windows 2000 offers software RAID 0, 1 and 5 configurations to provide foible tolerance for onboard disk drives, and has a built-in network load-balancing feature that allows a group of servers to survey relish one server and share the very network denomination and IP address. The group decides which server will service each request. This not only distributes the network load across several servers, it furthermore provides foible tolerance in case a server goes down. On a lesser scale, you can spend Microsoft's Failover Clustering to provide basic failover services between two servers.

    As with NT 4.0, Windows 2000 provides memory protection, which means that each process runs in its own segment.

    There are furthermore backup and restore capabilities bundled with Windows 2000.

    Novell has an add-on product for NetWare called Novell Cluster Services that allows you to cluster as many as eight servers, outright managed from one location using ConsoleOne, NetWare Management Portal or NWAdmin32. But Novell presently offers no clustering products to provide load balancing for applications or file services. NetWare has an complicated memory protection scheme to segregate the memory used for the kernel and applications, and a Storage Management Services module to provide a highly resilient backup and restore facility. Backups can be all-inclusive, cover parts of a volume or store a differential snapshot.

    Red Hat provides a load-balancing product called piranha with its Linux. This package provides TCP load balancing between servers in a cluster. There is no difficult restrict to the number of servers you can configure in a cluster. Red Hat Linux furthermore provides software RAID support through command line tools, has memory protection capabilities and provides a rudimentary backup facility.

    SCO provides an optional feature to cluster several servers in a load-balancing environment with Non-Stop Clustering for a high flat of fault-tolerance. Currently, Non-Stop Clustering supports six servers in a cluster. UnixWare provides software RAID support that is managed using SCO's On-Line Data Manager feature. outright the standard RAID levels are supported. Computer Associates' bundled ArcServeIT 6.6 provides backup and restore capabilities. UnixWare has memory protection capabilities.

    Documentation

    Because their testing was conducted before Windows 2000's universal availability ship date, they were not able to evaluate its hard-copy documentation. The online documentation provided on a CD is extensive, useful and well-organized, although a Web interface would be much easier to spend if it gave more than a brace of sentences at a time for a particular capitalize topic.

    NetWare 5 comes with two manuals: a detailed manual for installing and configuring the NOS with expedient explanations of concepts and features along with an overview of how to configure them, and a small spiral-bound booklet of quick start cards. Novell's online documentation is very helpful.

    Red Hat Linux comes with three manuals - an installation guide, a getting started sheperd and a reference manual - outright of which are easy to follow.

    Despite being the most difficult product to install, UnixWare offers the best documentation. It comes with two manuals: a system handbook and a getting started guide. The system handbook is a reference for conducting the installation of the operating system. It does a expedient job of reflecting this painful experience. The getting started sheperd is well-written and well-organized. It covers many of the tools needed to configure and maintain the operating system. SCO's online documentation looks nice and is easy to follow.

    Wrapping up

    The bottom line is that these NOSes offer a wide scope of characteristics and provide enterprise customers with a Great deal of preference regarding how each can be used in any given corporate network.

    If you want a good, universal purpose NOS that can deliver enterprise-class services with outright the bells and whistles imaginable, then Windows 2000 is the strongest contender. However, for high performance, enterprise file and print services, their tests prove that Novell leads the pack. If you're willing to pay a higher cost for scalability and reliability, SCO UnixWare would be a safe bet. But if you requisite an inexpensive alternative that will give you bare-bones network services with decent performance, Red Hat Linux can certainly fitting the bill.

    The preference is yours.

    Bass is the technical director and Robinson is a senior technical staff member at Centennial Networking Labs (CNL) at North Carolina State University in Raleigh. CNL focuses on performance, capacity and features of networking and server technologies and equipment.

    RELATED STORIES:

    Debate will focus on Linux vs. LinuxJanuary 20, 2000Some Windows 2000 PCs will jump the gunJanuary 19, 2000IBM throws Linux lovefestJanuary 19, 2000Corel Linux will hasten Windows appsJanuary 10, 2000Novell's eDirectory spans platformsNovember 16, 1999New NetWare embraces Web appsNovember 2, 1999Microsoft sets a date for Windows 2000October 28, 1999

    RELATED IDG.net STORIES:

    Fusion's Forum: Square off with the vendors over who has the best NOS(Network World Fusion)How they did it: Details of the testing(Network World Fusion)Find out the tuning parameters(Network World Fusion)Download the Config files(Network World Fusion)The Shootout results(Network World Fusion)Fusion's NOS resources(Network World Fusion)With Windows 2000, NT grows up(Network World Fusion)Fireworks expected at NOS showdown(Network World Fusion)

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    Optimize your server's disk performance | killexams.com existent questions and Pass4sure dumps

    Hard disks are the resources most heavily used by a server. The way a server's difficult disks are configured and maintained usually has an vast impact on the server's overall performance.

    As such, it makes sense to spend a bit of time optimizing a server's disk usage. In this article, I'll share some techniques for improving the efficiency of your server's disk subsystem.

    Note: Every server is configured differently. As such, disk configuration and optimization techniques that would be ideally suited to one organization might be detrimental to another. The only way to fully optimize a server's disk usage is to resolve which applications are running on the server, and how much of a workload those applications situation on the server's disk subsystem.

    Therefore, there is no one technique that will construct your server hasten with peak performance. This article will provide you with some universal techniques that will better the performance of most types of servers.

    File placement

    One trick for optimizing a server's performance is to situation files onto the confiscate difficult drives. For example, the Windows Server operating system is almost always installed on the C drive. That being the case, I recommend using the C drive only for the operating system, although in some cases you can furthermore install applications to the C drive without hurting performance much.

    The OS component that consumes the most disk I/O time is the pagefile. I recommend placing the pagefile on a dedicated difficult drive (not a dedicated partition). This prevents disk I/O related to virtual memory paging from disrupting other parts of the system.

    Any data stored on a server should be stored on a dedicated volume. Since most of the server's disk I/O is usually related to reading and writing data, it usually makes sense to situation the data on a RAID array. Which type of RAID depends on the flat of performance and foible tolerance you need. RAID 10 arrays are a expedient preference because they're as rapid as a RAID 1 array, but offer foible tolerance through mirroring.

    Memory

    The amount of memory in your system makes a huge dissimilarity in disk subsystem performance. As mentioned above, placing the pagefile on a dedicated difficult disk minimizes the impact that virtual memory paging has on the relaxation of the system.

    The concept of virtual memory comes from a time when physical memory was extremely expensive. The understanding was to compensate for a shortage of physical memory by allowing a portion of the difficult disk to act as physical memory.

    However, this technique is inefficient. For one thing, the difficult disk is much slower than even the slowest physical memory. difficult disk access is measured in milliseconds; physical memory access is measured in nanoseconds.

    Another problem is that the OS cannot work with pages of memory stored in virtual memory. If the OS needs to accomplish an action on a page of memory, that page must be moved to physical memory first. This process is called swapping or paging.

    If a server's physical memory is full, and it needs to access a page of memory stored in virtual memory, the server will own to prance a currently unused page from physical memory to virtual memory, in order to construct latitude for a page to be moved from virtual memory to physical memory.

    This paging process consumes not only disk resources but furthermore a lot of CPU time and memory. Some of the server's physical memory is used to sustain track of which pages are in RAM and which are in virtual memory. This is why the paging process is so inefficient. Some paging is normal, but inordinate paging can lead to constant disk activity and destroy a server's performance.

    The best way to reduce paging is to install as much memory as feasible in your server. As the amount of RAM in your server increases, the size of the pagefile will furthermore increase. However, the system's dependency on the pagefile decreases. This will free up a considerable amount of disk time and CPU time.

    Defragmenting

    One way to sustain difficult disks performing well is to schedule a routine defragmentation. difficult disks are designed to write data in a linear fashion. But when files are deleted, gaps of vacuous space are left behind.

    A difficult disk will fill in this vacuous space before writing data to the vacuous space at the terminate of the drive. If a gap of vacuous space is not large enough to accommodate a file that's being written, the file is fragmented. This means that a portion of the file is inserted into the gap of vacuous space, and the relaxation of the file is placed either in the next gap of vacuous space or at the terminate of the drive. . .whichever comes first.

    Fragmentation is snide for system performance, because the disks heads requisite to prance outright over the surface of the difficult disk to read or write files. Defragmenting a difficult disk removes fragmentation and allows files to be stored in a linear fashion, which allows for much faster reads and writes.

    Indexing

    Depending on what your server is being used for, indexing can be expedient or a bad. Indexing involves reading outright the files on a disk and edifice an index that tells the OS what each file contains. If users are routinely searching through large quantities of data looking for specific files, indexing can construct this process dramatically more efficient.

    However, many administrators carry out not relish indexing because the process consumes a lot of CPU time and memory. Some disk space is furthermore used to store the index.

    Here's my recommendation: select whether indexing is confiscate on a server-by-server basis. I index the file servers in my organization because I constantly own to search through my files to observe if I've ever written about unavoidable topics. However, my mail servers, database servers, DNS servers, domain controllers, etc., are not indexed. Indexing these types of servers would be pointless. In fact, if you want to better performance, you might check your infrastructure servers to construct sure they're not indexed.

    About the author: Brien M. Posey, MCSE, is a Microsoft Most Valuable Professional for his work with Windows 2000 Server, Exchange Server and IIS. He previously served as CIO for a nationwide chain of hospitals and was in freight of IT security for Fort Knox. He writes regularly for SearchWinComputing.com and other TechTarget sites.

    More information on this topic:

     


    Windows Server 2008 R2 Benefits for Administration | killexams.com existent questions and Pass4sure dumps

    This chapter is from the book 

    Windows Server 2008 R2 provides several unusual benefits that capitalize organizations better administer their networking environment. These unusual features provide better file and data management, better performance monitoring and reliability tracking tools to identify system problems and proactively address issues, a unusual image deployment tool, and a whole unusual set of Group Policy Objects that capitalize administrators better manage users, computers, and other lively Directory objects.

    Improvements in the Group Policy Management

    Windows Server 2008 R2 introduces over 1,000 unusual Group Policy Objects specific to Windows Server 2008 R2 and Windows 7, along with several unusual components that expand on the core capabilities of Group Policy management that own been portion of Windows 2000/2003 lively Directory. The basic functions of Group Policy haven't changed, so the Group Policy demur Editor (gpedit) and the Group Policy Management Console (GPMC) are the same, but with more options and settings available.

    As mentioned earlier, the Group Policy Management Console can either be hasten as a separate MMC tool, or it can be launched off the Features arm of the Server Manager console tree, as shown in motif 1.7. Group policies in Windows Server 2008 R2 provide more granular management of local machines, specifically having policies that propel down to a client that are different for administrator and non-administrator users.

    Additionally, applications can now query or register with a network location awareness service within Group Policy management, which provides the identity where a user or computer demur resides. As an example, a policy can be written that allows users to own access to applications and files if they are on a local network segment, but blocks users from accessing the very content when they are on a remote segment for security and privacy reasons. This addition to group policies adds a third dimension to policies so that now administrators can not only define who and what someone has access to, but furthermore restrict their access based on where they are.

    Group policies are covered in detail in Chapter 27, "Group Policy Management for Network Clients," as well as in Chapter 19, "Windows Server 2008 R2 Group Policies and Policy Management."

    Introducing Performance and Reliability Monitoring Tools

    Windows Server 2008 R2 introduces unusual and revised performance and reliability monitoring tools intended to capitalize network administrators better understand the health and operations of Windows Server 2008 R2 systems. Just relish with the Group Policy Management Console, the unusual Reliability and Performance Monitor shows up as a feature in the Server Manager console. By clicking on the Performance Diagnostic Console, the tool shows up in the right pane, as shown in motif 1.8.

    Figure 1.8

    Figure 1.8 Windows Reliability and Performance Monitor.

    The unusual tool keeps track of system activity and resource usage and displays key counters and system status on screen. The Reliability Monitor diagnoses potential causes of server instability by noting the last time a server was rebooted, what patches or updates were applied, and chronologically when services own failed on the system so that system faults can potentially be traced back to specific system updates or changes that occurred prior to the problem.

    By combining what used to be three to four tools into a single console, administrators are able to survey at system performance, operational tasks, and historical event information in their analysis of a server problem or system operations instability. You can find more details on performance and reliability monitoring in Chapter 34.

    Leveraging File Server Resource Manager

    File Server Resource Manager (FSRM) was a feature pack add-in to Windows 2003 R2 and has been significantly improved with the release of Windows Server 2008 R2. FSRM is a quota management system of files on network shares across an enterprise. Rather than allowing employees to copy the entire content of their laptop to a network, or potentially back up their MP3 audio files onto a network, FSRM provides the capacity to not only restrict the amount of content stored on network shares, but furthermore to set quotas (or restrict storage altogether) on unavoidable file types. So, a user could be limited to store 200GB of files on a network share, but of that limit, only 2GB can be allocated to MP3 files.

    FSRM, shown in motif 1.9, in Windows Server 2008 R2 has been improved to allow the nesting of quotas to ensure the most restrictive policy is applied. Quotas can furthermore transcend subfolders, so as unusual folders are created, or as policies are applied at different levels in a folder hierarchy, the policies still apply, and the rules are combined to provide varying levels of quota allocation to user data. Additionally, quotas are now based on actual storage, so if a file is compressed when stored, the user will be able to store more files within their allocated quota.

    File Server Resource Manager is covered in detail in Chapter 28.

    Leveraging the Best drill Analyzer

    Included in Windows Server 2008 R2 is a built-in Best drill Analyzer. organize in the Server Manager console tool, the Best drill Analyzer runs a series of tests against lively Directory roles, such as the Hyper-V role, the DNS role, and the Remote Desktop Services role, to assess whether the role has been installed and configured properly and to compare the installation with tested best practices.

    Some of the results from the Best drill Analyzer could Tell an administrator they requisite to add more memory to a server, to prance a role to a separate server to better role optimization, or to shift a database to a different drive on the server to dole disk performance demands on the system. More details on the Best drill Analyzer are covered in Chapter 20.

    Introduction of Windows Deployment Services

    Windows Server 2008 introduced a unusual tool called Windows Deployment Services (WDS), which was effectively an updated version of the Remote Installation Services (RIS) that has been available for the past several years. Unlike RIS, which was focused on primarily scripted installations and client images, WDS in Windows Server 2008 R2 can dole images of Windows 7 clients or Windows Server 2008 R2 servers in a significantly more resilient and modifiable deployment process.

    Like with RIS, Windows Deployment Services allows a client system to initiate a Preboot Execution Environment (PXE), effectively "booting" to the WDS server to observe a list of images that can be deployed on the system. Alternately, an organization can create a Windows PE boot disc and own an image initiated from a CD or DVD.

    With Windows Server 2008 R2 and Windows 7, the image can be created in Windows Imaging (WIM) format, which allows for the injection of patches, updates, or even unusual code to a WIM file without even booting the image file. This provides the organization with more than just static images that collect pushed out relish in RIS, but rather a tool that provides ongoing and manageable updates to image files.

    WDS furthermore supports the imaging of Windows 2003 servers and Windows XP client systems in the very manner that RIS did in terms of pushing out images or using an unattend script file to forward images to systems.

    Windows Deployment Services is covered in detail in Chapter 26, "Windows Server 2008 R2 Administration Tools for Desktops."



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