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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 designation : xSeries - Windows 2000 Installation/Performance Optimization
Vendor designation : 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 original operating device now cramped over a month away, Lenovo these days introduced transportable PCs with two Interesting parade alternatives: a multitouch display, stronger by means of a original application called SimpleTap, plus a brilliant brilliant parade visible even beneath the sunniest skies.

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

SimpleTap, a brand original multitouch software designed via Lenovo, will buttress original 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 perform 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 route of adding your own tiles," stated Aaron Stewart, a member of Lenovo's consumer undergo and Design crew. You could add a tile that brings up a YouTube video, for example.

which you can additionally employ 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 exist pointing to," the Gartner analyst told Betanews.

past the specific improvements Lenovo has rep 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 like this, and there may not exist 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 employ direct bonding know-how -- along with the prerogative 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 efficacious 1.2%, in evaluation to 4% to 8% for accustomed displays, he estimated. The vivid monitors are engineered to exist pleasant to battery lifestyles in addition to reducing glare.

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

also in the original PCs, Lenovo has carried out firmware tweaks for enhanced touch performance, similar to extending full touch capabilities impeccable the strategy to the bezel and preventing interference from fingerprints on the reveal. The multitouch screens on the capsules will help 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 toil 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 appear to exist exactly low-priced, the company additionally sells products within the much less expensive netbook segment. but Lenovo's netbooks are aimed at distinctive makes employ 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 exist used mostly by engineers, architects, and different designers in the beginning, and perhaps by route of gamers somewhere down the highway.

Priced birth at $1,729 for a multitouch reveal and $1,779 for an out of doors reveal, the original X200 tablets can exist institute instantly. The ThinkPad T400s with the multitouch reveal 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 original 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 original online city capabilities.

via simplifying its IT environment and touching some features online, the city will in the reduction of the prices of administration, allowing it to compose 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 employ its improved web page, Cuyahoga Falls on-line (CFO), to enter earnings tax suggestions and generate a metropolis of Cuyahoga Falls earnings Tax recur for the April fifteenth closing date. moreover, the metropolis will employ the iSeries server because the groundwork for structure 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 consider constructing makes it viable for; schedule inspections; purchase passes for its aquatic core; compose reservations and combine courses at the metropolis's leisure facilities; and reserve tee instances at a autochthonous golf course.

"With the metropolis's traffic progress and residential inhabitants transforming into drastically over the eventual 5 years, it changed into principal to select an respond that might proceed to lengthen crucial capabilities reliably and without delay at a reasonably-priced," says John Konich, supervisor of tips methods for the metropolis of Cuyahoga Falls. "The iSeries server has impeccable the time delivered value for us and with the option of working assorted working programs -- mainly adding Linux -- the original iSeries server supplied unmatched benefits. they are assured in their option 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 present fantastic protection protection corresponding to IDS (Intrusion Detection device), which is a crucial understanding why minute and mid-size corporations, like Cuyahoga Falls, confidence on the platform to deliver, in some instances, sensitive services and offerings to its elements. -- the brand original 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 shun 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 tall degree of security for the newly simplified IT ambiance. The software securely locks down functions, data on UNIX and Linux working systems to aid hold away from unauthorized entry. This safety faculty blocks both insiders and outsiders from unauthorized access to and employ of constructive and personal records.

"Like different leading metropolis and situation 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 beneficial options to valued clientele together with government entities in the U.S. and around the globe."

application for the original 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 viable 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 groundwork 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 unique 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 traffic applications whereas working diverse operating environments, concurrently decreasing the permeate 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 traffic partners, IBM offers a wide orbit of capabilities, options and technologies that enable consumers, astronomical and small, to bewitch full competencies of the brand original era of e-company. For extra assistance about IBM, visit http://www.ibm.com.

right here are both trademarks or registered trademarks of alien traffic 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 structure plans and schedules are made for planning purposes only, and are area 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 exist 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 allotment 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 original Sandy Bridge processor. It’s additionally a tricky son of a gun, passing eight US armed forces checking out necessities for workstation-killers like humidity, shock, sand, and temperature extremes.

One materialize on the pedigree and specs, and furthermore you recognize the Lenovo ThinkPad X220 tablet is good, however is it respectable sufficient to justify a starting price 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 eventual technology X200 tablet or the rest of the ThinkPad lineup, classy allotment sequence excluded. The X220 tablet is dressed in all-business black, with a magnesium alloy and plastic construct featuring mild texture. the groundwork unit is boxy, however points a qualify protrusion on arrogate of the monitor that serves the X220 pill’s instant antennas, and the six-cell battery that shipped with my review unit adds massive protrude to the back, which provides a pleasant gripping factor when carrying the tablet from meeting to meeting while including just a cramped of distinction to a very fascinating and knowledgeable gadget.

Lenovo ThinkPad X220 TabletIt’s additionally a extremely difficult machine, and when held, appears like it became carved from a mighty hunk of plastic. There is no principal 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 approved wear-and-tear without a problems.

The parade hinge is chiefly taut and well developed. unluckily, it handiest rotates 180 levels in a unique 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 note of strain. The screen furthermore opens up a full 180 degrees.

ultimately, IT departments and tinkerers can exist gay to note 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 trustworthy job of shrugging off glare, however it additionally isn’t mainly bright. workplace workers will locate it perfectly arrogate for indoor use, however its relative dimness compose it arrogate 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 spot brightness and contrast are most excellent. outside of that zone, the monitor seems to dim and contrast lessens.

The reveal supports up two contact inputs, acceptation fingerprints can accumulate instantly. The anti-glare reveal does a very trustworthy job of furthermore shrugging off smudges, but they eventually will construct up and tolerate a significant and terrible repercussion 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 like other convertibles available on the market, the Lenovo X220 tablet doesn't role an orientation sensor, which I locate disappointing. This capacity that the parade 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 energetic 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 delay into the X220 pill when no longer in employ and the screen registers the pen curser when the pen floats upwards of three or 4 centimeters about it. I institute the pen to exist enormously remedy with out a lag following calibration. Excessively lickety-split scribbling will hurl it off a pair of millimeters, at which point a short manual calibration is required to remedy 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 cramped thicker line. Of both, the N-trig pen is basically extra suitable for artists and designers, and i’ll bewitch this Wacom providing for my daily inking wants.

Lenovo ThinkPad X220 Tablettouch sensitivity is furthermore impeccable although doesn't in shape the fluid undergo institute 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 sequence 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 muster up favourite courses via SimpleTap, or without problems ignore it. I institute it constructive, however intimate sticking with the pen or touchpad for most X220 pill navigation given the precision required with windows 7.

The audio system achieve a suitable job of spitting out sound, although didn’t wow with quantity or constancy. they're satisfactory for personal use, exist it a webcast or video name, but traffic clients can tolerate situation filling up a larger convention with sound achieve assembly time. I achieve like 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 signal 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 impeccable 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 lead Prepared by Killexams.com IBM Dumps Experts


    Killexams.com 000-674 Dumps and existent Questions

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



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

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

    Do you need actual qustions and solutions of 000-674 examination to bypass the exam?
    This is my first time that I took this carrier. I sense very confident in 000-674 however. I retain together my 000-674 the employ of questions and answers with exam simulator softare via using killexams.Com crew.


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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 impeccable 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 route you please? Perhaps administration bells and management whistles are what you need so you can deploy several hundred servers. Or maybe you want an operating system that's robust enough so that you sleep like a baby at night?

    The trustworthy news is that there is a NOS waiting just for you. After the rash of recent software revisions, they took an in-depth study 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 original version.

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

    However, if it's performance you're after, no product came proximate 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 mighty groundwork for an enterprise network.

    We institute 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 compose it a sturdy candidate for running enterprise applications.

    The numbers are in

    Regardless of the job you saddle your server with, it has to perform 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 consider a wide orbit of server conditions.

    NetWare was the hands-down leader in their performance benchmarking, taking first spot 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 perform well handling big loads - those tests in which there were more than 100 users. Under heavier user loads, Linux had a trend to discontinue servicing file requests for a short era and then start up again.

    Windows 2000 demonstrated needy write performance across impeccable their file tests. In fact, they institute 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 implement they used, they determined that the needy write performance could exist due to two factors. One, which they were unable to verify, might exist a viable 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 conjectural to occasions the server to update cache, if appropriate, and then compel a write to disk. When the write to disk occurs, the write muster is released and the next request can exist sent.

    At first glance, it appeared as if Windows 2000 was the only operating system to honor 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 honor 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 impeccable 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 institute 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 contingent 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 soundless 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 impeccable 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 faculty to ply big numbers of network sessions with minute file transactions.

    Despite a needy 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 speak they are working on integrating this capability into their products.

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

    In the short TCP transaction test, NetWare came out the pellucid winner. Linux earned second spot in spite of its lack of advocate 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 advocate more cease 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 institute 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 like Windows Explorer, with a nested list on the left and selection details on the right. The console is light to employ 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 energetic Directory, Microsoft's original directory service. From the energetic Directory management implement inside MMC, you can configure users and change policies.

    The network configuration tools are institute in a sever 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 present 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 tolerate 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 implement 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 shun as a graphical or text-based application. The graphical interface, which resembles that of MMC, works well but has some layout issues that compose it difficult to employ at times. For example, when you shun 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 employ 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 rep 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 cease 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 detail in a sever 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 implement called WebTop that works from your browser.

    An eye on the servers and clients

    One principal administration task is monitoring the server itself. Microsoft leads the pack in how well you can hold 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 reminiscence and disk usage. They used these tools extensively to determine the effect of their benchmark tests on the operating system. Another implement called Network Monitor has a basic network packet analyzer that lets you note the types of packets coming into the server. Together, these Microsoft utilities can exist used to compare performance and capacity across multiple Windows 2000 servers.

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

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

    Red Hat offers the yardstick 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 tall level of proficiency to employ effectively. A suite of graphical monitoring tools would exist a mighty 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 reminiscence 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 trustworthy overall idea of the load on the server.

    Client administration

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

    We were able to configure user permissions via Microsoft's energetic Directory and the directory administration implement 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 present much in the route of client administration features. You must control local users through Unix leave 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 present advocate for the Unix-based Network Information Service (NIS). NIS is a store for network information like logon names, passwords and home directories. This integration helps with client administration.

    Handling the staples: File and print

    A NOS is nothing without the faculty to participate 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 energetic Directory management tools. Windows 2000 furthermore offers Distributed File Services, which let you combine files on more than one server into a unique share.

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

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

    Storage management

    Windows 2000 provides the best tools for storage management. Its graphical Manage Disks implement 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 exist moved to another 2000 server without having to configure the volume on the original server. The original 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 light to use, but it can exist a cramped 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 implement looks a cramped primitive, but they give it tall 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 implement that ships with UnixWare. They had some problems initially getting the implement to recognize the drives so they could exist formatted. They managed to toil 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 study 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 implement that integrates with MMC for light management of security objects in the energetic Directory Services system, and a original Encrypting File System that lets you designate volumes on which files are automatically stored using encryption.

    Novell added advocate 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 exist individually controlled to increase security. Red Hat offers Pluggable Authentication Modules as a route 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 impeccable network services off. It's a trustworthy management time saver, though you could manually modify the services to achieve the very result.

    Stability and weakness tolerance

    The most feature-rich NOS is of cramped value if it can't hold a server up and running. Windows 2000 offers software RAID 0, 1 and 5 configurations to provide weakness tolerance for onboard disk drives, and has a built-in network load-balancing feature that allows a group of servers to study like one server and participate the very network designation 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 weakness tolerance in case a server goes down. On a lesser scale, you can employ Microsoft's Failover Clustering to provide basic failover services between two servers.

    As with NT 4.0, Windows 2000 provides reminiscence 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, impeccable 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 intricate reminiscence protection scheme to segregate the reminiscence used for the kernel and applications, and a Storage Management Services module to provide a highly resilient backup and restore facility. Backups can exist 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 advocate through command line tools, has reminiscence 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 tall level of fault-tolerance. Currently, Non-Stop Clustering supports six servers in a cluster. UnixWare provides software RAID advocate that is managed using SCO's On-Line Data Manager feature. impeccable the yardstick RAID levels are supported. Computer Associates' bundled ArcServeIT 6.6 provides backup and restore capabilities. UnixWare has reminiscence protection capabilities.

    Documentation

    Because their testing was conducted before Windows 2000's generic 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 exist much easier to employ if it gave more than a pair of sentences at a time for a particular help topic.

    NetWare 5 comes with two manuals: a particular manual for installing and configuring the NOS with trustworthy explanations of concepts and features along with an overview of how to configure them, and a minute 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 lead and a reference manual - impeccable of which are light 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 trustworthy job of reflecting this painful experience. The getting started lead 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 light to follow.

    Wrapping up

    The bottom line is that these NOSes present a wide orbit of characteristics and provide enterprise customers with a mighty deal of option regarding how each can exist used in any given corporate network.

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

    The option is yours.

    Bass is the technical director and Robinson is a senior technical staff member at Centennial Networking Labs (CNL) at North Carolina situation 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 shun 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 route a server's difficult disks are configured and maintained usually has an tremendous repercussion on the server's overall performance.

    As such, it makes sense to expend a bit of time optimizing a server's disk usage. In this article, I'll participate 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 exist ideally suited to one organization might exist detrimental to another. The only route to fully optimize a server's disk usage is to dissect which applications are running on the server, and how much of a workload those applications spot on the server's disk subsystem.

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

    File placement

    One trick for optimizing a server's performance is to spot files onto the arrogate 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 reminiscence paging from disrupting other parts of the system.

    Any data stored on a server should exist 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 spot the data on a RAID array. Which nature of RAID depends on the level of performance and weakness tolerance you need. RAID 10 arrays are a trustworthy option because they're as lickety-split as a RAID 1 array, but present weakness tolerance through mirroring.

    Memory

    The amount of reminiscence in your system makes a huge divergence in disk subsystem performance. As mentioned above, placing the pagefile on a dedicated difficult disk minimizes the repercussion that virtual reminiscence paging has on the rest of the system.

    The concept of virtual reminiscence comes from a time when physical reminiscence was extremely expensive. The idea was to compensate for a shortage of physical reminiscence 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 reminiscence access is measured in nanoseconds.

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

    If a server's physical reminiscence is full, and it needs to access a page of reminiscence stored in virtual memory, the server will tolerate to vein a currently unused page from physical reminiscence to virtual memory, in order to compose latitude for a page to exist moved from virtual reminiscence 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 reminiscence is used to hold 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 excessive paging can lead to constant disk activity and assassinate a server's performance.

    The best route to reduce paging is to install as much reminiscence as viable 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 route to hold 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 cease of the drive. If a gap of vacuous space is not big 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 rest of the file is placed either in the next gap of vacuous space or at the cease of the drive. . .whichever comes first.

    Fragmentation is wicked for system performance, because the disks heads need to vein impeccable over the surface of the difficult disk to read or write files. Defragmenting a difficult disk removes fragmentation and allows files to exist 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 exist trustworthy or a bad. Indexing involves reading impeccable the files on a disk and structure an index that tells the OS what each file contains. If users are routinely searching through big quantities of data looking for specific files, indexing can compose this process dramatically more efficient.

    However, many administrators achieve not like 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: choose whether indexing is arrogate on a server-by-server basis. I index the file servers in my organization because I constantly tolerate to search through my files to note if I've ever written about inescapable topics. However, my mail servers, database servers, DNS servers, domain controllers, etc., are not indexed. Indexing these types of servers would exist pointless. In fact, if you want to better performance, you might check your infrastructure servers to compose certain they're not indexed.

    About the author: Brien M. Posey, MCSE, is a Microsoft Most Valuable Professional for his toil with Windows 2000 Server, Exchange Server and IIS. He previously served as CIO for a nationwide chain of hospitals and was in permeate 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 bespeak 

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

    Improvements in the Group Policy Management

    Windows Server 2008 R2 introduces over 1,000 original Group Policy Objects specific to Windows Server 2008 R2 and Windows 7, along with several original components that expand on the core capabilities of Group Policy management that tolerate been allotment of Windows 2000/2003 energetic 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 exist shun as a sever MMC tool, or it can exist launched off the Features fork of the Server Manager console tree, as shown in pattern 1.7. Group policies in Windows Server 2008 R2 provide more granular management of local machines, specifically having policies that push 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 exist written that allows users to tolerate 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 original and revised performance and reliability monitoring tools intended to help network administrators better understand the health and operations of Windows Server 2008 R2 systems. Just like with the Group Policy Management Console, the original Reliability and Performance Monitor shows up as a feature in the Server Manager console. By clicking on the Performance Diagnostic Console, the implement shows up in the prerogative pane, as shown in pattern 1.8.

    Figure 1.8

    Figure 1.8 Windows Reliability and Performance Monitor.

    The original implement 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 eventual time a server was rebooted, what patches or updates were applied, and chronologically when services tolerate failed on the system so that system faults can potentially exist traced back to specific system updates or changes that occurred prior to the problem.

    By combining what used to exist three to four tools into a unique console, administrators are able to study 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 faculty to not only restrict the amount of content stored on network shares, but furthermore to set quotas (or restrict storage altogether) on inescapable file types. So, a user could exist limited to store 200GB of files on a network share, but of that limit, only 2GB can exist allocated to MP3 files.

    FSRM, shown in pattern 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 original folders are created, or as policies are applied at different levels in a folder hierarchy, the policies soundless 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 exist able to store more files within their allocated quota.

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

    Leveraging the Best practice Analyzer

    Included in Windows Server 2008 R2 is a built-in Best practice Analyzer. institute in the Server Manager console tool, the Best practice Analyzer runs a sequence of tests against energetic 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 practice Analyzer could disclose an administrator they need to add more reminiscence to a server, to vein a role to a sever server to better role optimization, or to shift a database to a different drive on the server to ration disk performance demands on the system. More details on the Best practice Analyzer are covered in Chapter 20.

    Introduction of Windows Deployment Services

    Windows Server 2008 introduced a original implement 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 ration 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 note a list of images that can exist deployed on the system. Alternately, an organization can create a Windows PE boot disc and tolerate an image initiated from a CD or DVD.

    With Windows Server 2008 R2 and Windows 7, the image can exist created in Windows Imaging (WIM) format, which allows for the injection of patches, updates, or even original code to a WIM file without even booting the image file. This provides the organization with more than just static images that rep pushed out like in RIS, but rather a implement 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 ship 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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