250-700 exam Dumps Source : Implementation of HA Solutions for Windows using VCS 4.1
Test Code : 250-700
Test denomination : Implementation of HA Solutions for Windows using VCS 4.1
Vendor denomination : Symantec
: 73 real Questions
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MOUNTAIN VIEW, CA--(Marketwire -08/13/12)- Symantec Corp. (SYMC) these days announced an add-on retort for Symantec's Cluster File system that allows consumers to hasten huge information analytics on their current infrastructure through making it highly purchasable and manageable. Apache Hadoop offers shoppers colossal cost to pressure income by using helping anatomize statistics for company insights, besides the fact that children many existing information solutions lack the statistics management capabilities and developed-in resilience to overcome the can suffuse and complexity of expanding storage and server sprawl. with the aid of working intently with Hortonworks, the modern Symantec enterprise retort for Hadoop providing offers a scalable, resilient statistics management solution for managing colossal facts workloads to back get Apache Hadoop in a position for enterprise deployment.
click to Tweet: Symantec massive statistics retort and @Hortonworks partnership get Apache Hadoop enterprise ready: http://bit.ly/QRNPUi
Symantec's Cluster File apparatus is a confirmed enterprise retort to ply colossal information workloads. With Symantec commercial enterprise solution for Hadoop, businesses can:
examine greater specified weblog posts: http://bit.ly/P3dtSA
Leveraging present Infrastructure and avoiding Over ProvisioningIT directors beget spent appreciable time and resources consolidating their records facilities and decreasing their footprint via virtualization and cloud computing. Taking abilities of large data analytics should leverage this consolidation of storage and compute resources. Symantec commerce solution for Hadoop enables consumers to hasten Hadoop whereas minimizing investments in a parallel infrastructure -- drastically cutting back the storage footprint to in the reduction of cost and complexity.
examining records where it Resides and removing lofty priced facts MovesThe first step in making the Hadoop infrastructure work is to funnel facts for evaluation. by means of enabling integration of present storage belongings into the Hadoop processing framework, companies can abide away from time drinking and dear records circulation activities. Symantec commerce solution for Hadoop permits administrators to depart the data where it resides and hasten analytics on it while not having to extract, radically change and load it to a divorce cluster -- averting costly and painful information migrations.
guaranteeing Hadoop is totally AvailableIn an Apache Hadoop environment, statistics is allotted across nodes with just one metadata server that knows the statistics vicinity -- probably leading to a performance bottleneck and lone point of failure that could lead to software downtime. to meet the requisite for well timed insights, Symantec commercial enterprise retort for Hadoop offers file apparatus unreasonable availability to the metadata server while additionally guaranteeing analytics purposes proceed to hasten so long as there is at least one working node within the cluster. due to the fact that the Hadoop file apparatus is changed with Symantec's Cluster File gadget, each node within the cluster can additionally access records concurrently, disposing of both the efficiency bottleneck and lone component of failure.
Pricing, Availability and SupportThe Symantec commercial enterprise solution for Hadoop is accessible now to present Cluster File system consumers at no additional charge. Symantec commercial enterprise solution for Hadoop supports Hortonworks data Platform (HDP) 1.0 and Apache Hadoop 1.0.2. customers working HDP 1.0 may live capable of net Hadoop assist and training from Symantec's Hadoop accomplice Hortonworks, a number one commerce vendor merchandising the innovation, edifice and back of Apache Hadoop.
aiding prices"shoppers can't near up with the money for to let the challenges of imposing colossal information translate into administration challenges inside the infrastructure they've worked so challenging to build," spoke of Don Angspatt, vice chairman of product management, Storage and Availability administration neighborhood, Symantec Corp. "Our commerce retort for Hadoop helps connect Hadoop's enterprise analytics to the current storage ambiance whereas addressing key challenges of server sprawl and lofty availability for vital applications. or not it's now utterly viable to net the huge information solution you crave from the infrastructure you could beget got."
"Hortonworks is excited to associate with Symantec to supply shoppers fabulous company analytics with no requisite to rebuild their IT infrastructure," spoke of Mitch Ferguson, vice president of enterprise development, Hortonworks. "The Hortonworks facts Platform is built upon the most tough version of Apache Hadoop and Symantec offers the market leading storage management and lofty availability utility with their Cluster File system to enable seamless implementation. They seem to live forward to providing best-in-category aid and working towards to champion shoppers hasten Hadoop in their latest ambiance and coerce their businesses forward to the subsequent degree."
"corporations requisite to leverage the vigour of Hadoop analytics to search for if Hadoop-supported applications can coerce faultfinding enterprise selections. therefore, IT management will want the self belief that their Hadoop-related infrastructure is ready to arise to the demands of a construction records middle ambiance," referred to John Webster, Senior confederate of Evaluator group. "Symantec commercial enterprise retort for Hadoop is one instance of a device designed to smooth the transition from pilot project to creation via addressing key facts heart challenges including lofty availability, protection, information insurance plan, and records governance."
connect with Symantec
About Symantec Symantec protects the realm's suggestions, and is the international leader in safety, backup and availability solutions. Their imaginitive products and functions protect people and assistance in any ambiance -- from the smallest cellular gadget, to the enterprise information core, to cloud-based mostly programs. Their industry-leading potential in maintaining records, identities and interactions offers their shoppers self assurance in a linked world. greater guidance is purchasable at www.symantec.com or by using connecting with Symantec at: go.symantec.com/socialmedia.
observe TO EDITORS: if you'd enjoy additional info on Symantec employer and its items, tickle consult with the Symantec news play at http://www.symantec.com/news. complete fees mentioned are in U.S. bucks and are valid simplest within the u.s..
Symantec and the Symantec brand are emblems or registered emblems of Symantec employer or its affiliates in the U.S. and other nations. other names could live logos of their respective house owners.
ahead-searching STATEMENTS: Any forward-looking indication of plans for items is preliminary and complete future release dates are tentative and are discipline to alternate. Any future liberate of the product or planned changes to product means, functionality, or feature are region to ongoing assessment through Symantec, and might or might likewise no longer live carried out and should now not live considered enterprise commitments by Symantec and may no longer live relied upon in making procuring decisions.
Technorati TagsSymantec, massive records, Hadoop, Apache Hadoop, Hortonworks, analytics, virtualization, cloud, information, storage administration, lofty availability, calamity recuperation
The chronicle of Symantec’s fresh transformation starts with a strategic aspiration: to position the enterprise as an incredible disruptor in its chosen sector of cybersecurity. Over the span of five years, the company went through two foremost divestitures, selling Veritas to a personal fairness neighborhood in 2016, and web page protection to DigiCert in 2017. The enterprise likewise made two enormous acquisitions, Blue Coat in 2016 and LifeLock in 2017, followed through three smaller ones. Symantec then initiated two intensive rounds of restructuring that protected decreasing head weigh number, which laid the groundwork for a subsequent wave of growth.
In doing complete this, the company reoriented its aim. It went from promoting enterprise software to featuring the world’s main cybersecurity structures for both patrons and global agencies, and shifted company models from product orientation to subscription-based. The enterprise likewise went via a deeply felt cultural trade, including a brand modern stress on diversity on the exact management stage. lastly, Symantec changed CEOs twice, discovering solid ground with Blue Coat alumnus Greg Clark on the helm.
Symantec chief counsel officer Sheila Jordan performed — and continues to play — a pivotal position overseeing the redesign and consolidation of the enterprise’s technological infrastructure. Jordan joined Symantec in 2014, soon after the initiative began. Jordan prior to now served as a senior vp at Cisco techniques and Disney, no longer simply in IT however additionally in finance, assisting sales and advertising and marketing. Her technical lore and enthusiastic, matter-of-fact strategy to simplifying the company’s digital expertise became a mannequin for Symantec’s consumers. She’s likewise one among Silicon Valley’s most prominent feminine executives, partially on account of her potential to identify developments within the industry, and reside ahead of the curve.
method+company caught up with Jordan in her Mountain View, Calif., office to debate Symantec’s transformation and the changes taking region in Silicon Valley nowadays.
S+B: How would you characterize your duty in Symantec’s transformation?JORDAN: i used to live hired back in 2014 to carry suggestions expertise returned in-residence from a outdated outsourced mannequin and to construct a global-classification IT organization. I knew that could live a colossal challenge, and i belief it would live lots of fun. at the moment, I had no thought that the whole company turned into about to alternate.
Then came the Veritas separation. A divestiture of this model is drastically more involved than an acquisition. They were becoming two divorce businesses with their personal unbiased ecosystems of approaches and techniques: WANs, LANs, sites, statistics facilities and labs, commercial enterprise aid planning (ERP) methods, applications, laptops, and cell instruments. every puny thing needed to live break up apart, together with the entire information. They determined to conclude it in a comprehensive means, to purchase this probability to start cleansing up strategies and simplifying every puny thing.
In 2016, with the Blue Coat acquisition, they made an analogous alternative. They may beget just jammed both companies together, with many legacy and redundant applications running similtaneously. instead, they chose to simplify.
We strategically transformed every point of the enterprise and took the random to believe tactically and lengthy-time period. This resulted in a number of accomplishments, including consolidating into one consumer relationship administration equipment. we're presently one unencumber far from consolidating distinctive ERPs into one ERP; reworking their company procedures and casting off product SKUs; and streamlining their distribution channels and programs to get doing commerce with Symantec more straightforward.
S+B: What had to occur interior the commerce to get the transformation prevail?JORDAN: americans debate “digital transformations” as in the event that they were complete about expertise. within the magnificient scheme of issues, the know-how is the effortless half. greater importantly, you should heart of attention on enhancing your clients’ adventure in purchasing your products and functions. as an instance, due to the fact that your customers employ cellular gadgets, your application interfaces beget to live as cellular-oriented as your shoppers are. At Symantec, they concentrated on 4 factors: pace, alignment, strategic selections, and communique.
S+B: Let’s purchase these so as. What does specializing in hasten and alignment imply in practice?JORDAN: We’ve become a distinguished deal quicker and extra aligned at Symantec. through this alignment, they were able to forward a diagram that integrated six organizations and divested two. Between April 2017 and November 2018, we went via eight primary application releases, which blanketed colossal alterations to ERP, CRM, and foundational statistics and reporting systems, with minimal enterprise disruption. this is unparalleled in the ERP world. each and every principal release included a regular of 24 diverse services, from advertising and marketing to engineering to finance. This equates to essentially a release each different month. They used an agile approach, with building, integration, and consumer acceptance complete going on at the identical time as. because of the enterprise and IT alignment, the satisfactory of every liberate turned into wonderful.
We used an identical tips on how to build their world subscription platform, which is the platform used to sell their cloud SaaS [software-as-a-service] products. To enhance velocity and simplicity, they modeled their user interface on the Amazon event: in barely a yoke of clicks your order is achieved.
shoppers and partners want a seamless adventure. They don’t are looking to note inner organizational handoffs. helping the company articulate the client savor has [given us] a compelling option to suppose horizontally, and from a customer lens, versus a purposeful view.
We brought IT, the company units, and the other capabilities in sync. for instance, once they realized they couldn’t net every puny thing executed in the April ERP apparatus unlock, they determined to shove some points to can also. This meant the businesses would requisite to absorb a guide mode for a brief term of time. They agreed to this in enhance because they complete shared their expectations up front and they spent a honest term of time on verbal exchange.
i am additionally super disdainful of the style their engineering, advertising, and IT teams work together. For the international subscription platform, engineering owns the natural cloud, where the safety SaaS products net provisioned. marketing owns the navigation, consumer adventure, and content material on the website for their direct small- and medium-company consumers. IT owns the ordering and money systems — and naturally, connects the entire platform together. but complete of us personal and are dependable for the total event.
In that context, i really enjoy that IT individuals are naturally systemic process thinkers; they note horizontally. They understand how clients adventure the company. they will add cost in broader companies via pointing out duplications, gaps, and dependencies.
big choices and communication
S+B: You said a different ingredient turned into “strategic choices.” What does that imply?JORDAN: i used to live relating to the manner they organized the design and implementation of the transformation undertaking. There are two councils. each different Friday, a software council that oversees the details of the alternate system meets for 2 hours to Move through enterprise and IT considerations. Then, fundamental strategic decisions are discussed once a month with the aid of a extra senior group: the software board. This board includes the CEO and commerce unit prevalent managers. throughout these sessions, they beget modified their pricing structure for wee groups, rethought their channel method, and simplified their product choices.
S+B: How conclude you are making the councils work?JORDAN: They set expectations through the manner they work. Flawless execution is not non-compulsory for us. It’s obligatory. We’re complete during this together, and we’re complete in charge.
as an instance, they realized to rejoice what they summon “reds.” These are the considerations that americans can’t remedy on their personal and ought to deliver up at the application councils. during the past, americans weren’t at ease asserting, “I’m pink this week.” They didn’t want their colleagues to understand. They beget been now not leveraging the vigor of the play and their colleagues.
We created an atmosphere the set it feels secure to stroll into a council meeting and say, “I’m pink.” It simply skill that you're off beam and could want the room’s aid, whether it’s a change-off with a colleague or on occasion the champion of the accurate management group, to net lower back on course. surroundings that tone relieves power and stress, raises accountability, speeds up path corrections, and units expectations alongside the style.
here is where mutual beget faith and admire amongst groups are important. i will Say at a application assembly, “i can’t net that carried out for this release; it’s not possible.” Or, “My group says they checked out it 12 different ways, and it won’t work this time.” but then i will offer to position it in the next liberate and demand them, “What are the implications for you as a result of this choice?” and recognize they’ll reply candidly. That benevolent of trade-off and negotiation is excellent. I’ve worked on transformation and integration for two years, and that i truthfully don’t deem there’s been one stagy second. There were many in shape debates, however it hasn’t eddy into terrible, with pointing fingers or a blame video game. This lifestyle has allowed us to live so a hit. they are using their crucial elements and mental power to remedy real consumers issues and accurate enterprise problems.
S+B: What concerning the fourth ingredient you outlined: communique?JORDAN: i will live able to’t articulate satisfactory how distinguished widespread and vital verbal exchange is. change inevitably leads to concern and uncertainty. The personnel requisite many snippets of verbal exchange, despite the fact that the leaders don’t beget complete the solutions. They should reassure individuals, “it’s adequate” or “we’ll net this.” After joining Symantec and constructing a world-category IT group with tons of of individuals everywhere, I begun publishing an inner weekly blog — simply a yoke of paragraphs of distinguished events or initiatives, recognition, calls to action, and news. I feel I’ve neglected four weeks in four years. on every occasion I ignored it, I instantly heard from my personnel, “where is the weblog?” people want to hear what’s happening. In an oblique passage i'm creating a group in the IT firm. Infrastructure wishes to know what is occurring within the software space and vice versa. employees enjoy to comprehend their job is important, and it’s as much as leaders to clarify how it complete fits collectively.
Bringing Cultures together
S+B: What became the cultural trade at Symantec enjoy from your standpoint?JORDAN: It [has been] huge. four years in the past, I doubtless would beget pointed out, “way of life is essential. but it surely’s no longer crucial.” these days, I feel work on lifestyle is critical. Their company mission is to offer protection to the world. any individual in the commerce can lanky in towards that statement; it’s empowering, but you even beget to set dreams and live lucid on how you are going to answer that mission.
S+B: What other cultural considerations did you have?JORDAN: With acquisitions, you beget got different cultures to combine, enjoy having a blended household. Symantec, Norton, Blue Coat, and LifeLock complete had discrete cultures. It’s distinguished to get an application to set up the “new culture” that takes the better of the ultimate from each and every acquisition. This takes time, so it’s vital to heart of attention on the work that may likewise live performed automatically. in case you’re prepared appropriately, and you create a fuse of the personnel from distinctive companies, you near to live with a various crew and a culture with different perspectives and experiences. perhaps it’s the nature of IT, with a significant demand and extent of labor, or how the groups were organized, however in their case, pretty much overnight, it grew to become extraneous the set a person got here from.
What mattered became that they showed up as a cohesive IT organization, solving Symantec’s advanced complications and dealing toward improving effectivity for their shoppers, companions, and employees. The work will benevolent the subculture, exceptionally in case you complete deem enjoy you’re within the identical boat, and it will drive the stage of admire, believe, and credibility higher.
S+B: in case you had to recommend a corporation going via an identical changes, is there anything else noteworthy you’d bid them in regards to the transformation process that you just haven’t mentioned?JORDAN: beget fun successes, commonly. They managed the restructuring and acquisition whereas simultaneously operating the enterprise, with quarter-ends, monetary closes, and complete the commonplace calls for on IT to hasten and duty a multibillion-dollar company. The savor is long, and americans feel they’ll rejoice when it’s finished. however you’re by no means truly done. It’s going to live eternal alternate continually. purchase time alongside a passage to get individuals suppose identified and valued. present reasonably priced celebrations or prepare a community experience. a advantageous passage to give them the inducement and notion to proceed.
feminine management in technology
S+B: You’re one of the most sought after ladies in Silicon Valley, at a time when many tech companies try to raise their share of female executives. How does this vicissitude near up at Symantec?JORDAN: Their diversity initiative is a large precedence for their CEO, Greg Clark. It’s vital to search for masculine CEOs purchase this seriously. They’re those who ought to lead once they nascence to alternate deeply held thinking and biases. [Clark is vigorous in CEO Action for Diversity and Inclusion, a coalition of commerce leaders launched in 2017 to address these issues more effectively. Tim Ryan, PwC’s U.S. chair, is the chair of the group’s steering committee.] Their CHRO, Amy Cappellanti-Wolf, is likewise super-obsessed with this.
S+B: what is riding this alternate? Why now?JORDAN: One aspect, of route, is the broadening recognition of diversity concerns in the tech industry. The more youthful generation is additionally forcing change. Millennials believe about variety in a different way; they grew up going to school with people from discrete geographies and ethnicities, in addition to shifting gender norms and expectations. As they convey that intellect-set into their organizations, it leads to a transpose mentoring for the leisure of us. The millennials are teaching us what it looks enjoy to no longer beget ingrained biases towards other agencies, and i confidence for that.
at the moment, ladies get up 26 p.c of the international workforce at Symantec, which is above customary for the trade. in keeping with Steve Morgan of Cybersecurity Ventures, girls signify 20 percent of the global cybersecurity corpse of workers and [that proportion] continues to develop.
additional, their most recent set of summer season interns beget been 60 % ladies. That’s much more suitable, however silent no longer decent ample.
S+B: Is the gender vicissitude distinctive in technology than in other industries?JORDAN: it's, just since the percentage of men is so plenty larger. once I talk over with their banking or retail customers, as an instance, there are extra girls complete over the place, in any respect tiers of the corporation. Of course, in practically any enterprise, the greater you travel in the hierarchy, the reduce the percent of girls tends to be.
S+B: conclude you feel that’s altering now?JORDAN: I’ve studied this for years. despite the fact some ladies cease advancing in their careers when they hit personal existence pursuits, no matter if it’s having puny ones or caring for ageing parents, many continue to countenance challenges around lack of mentorship, restrained entry to possibility, or feelings of isolation. They should create methods for individuals to work that in shape life’s challenges and simultaneously open up a chance. again, millennials set an example. they're growing up in a global where every thing is a provider. they can net some thing they want: software, meals, gasoline, a experience, clothing. They click on and it’s there. fast-ahead 10 years, and we’ll perhaps beget an open market of labor assignments based mostly merely on merit. I’ll purchase on a challenge that looks intriguing for one enterprise; after which conclude yet another project for a unique enterprise. In that context, might live ladies could beget greater access to possibility, will journey much less bias, and won’t opt out on the cost they're nowadays.
S+B: Does having a enhanced female presence get a disagreement in the passage an organization handles a change?JORDAN: You often examine that it does, since it is said that girls are typically more empathetic than men. but that may well live a stereotype. To pressure transformation, you want distinctive considering, inspite of age, gender, ethnic historical past, sexual orientation, or another specific features.
What concerns most is the job they ought to do. i'm the CIO for Symantec. I don’t conceal my identification as a woman; I wear dresses, rings, and make-up, and that i definitely can individually relate to the constant challenges of a working mother with younger toddlers. besides the fact that children, the undeniable fact that I’m a feminine doesn’t embolden any of my choices as CIO.
The passage forward for Cybersecurity
S+B: How would you characterize the result of Symantec’s transformation?JORDAN: Symantec now has two strategic company instruments. Their commerce enterprise approach is in response to Symantec’s integrated cyber-protection platform. On the consumer aspect, with the acquisition of LifeLock, we’ve dependent methods for americans to independently give protection to their identities and their privateness. We simply delivered Norton privateness supervisor, an app that helps consumers deem and purchase manage of their privacy and protect themselves on-line. We are living in a brand modern digital world the set americans are continuously sharing their own assistance, and that assistance should live would becould very well live mined for earnings. through this app, they present their consumers how you can give protection to their information and their privateness, for themselves and their families.
The enjoyable a fragment of their mode is that it addresses the historic fragmentation of the safety trade. Many CSOs beget said that they’re loaded up on security apparatus in their atmosphere. truly, their recent internet possibility security report (ITSR) indicated that on common — in a colossal commercial enterprise company — there are between 65 and eighty five safety equipment. Eighty-5 tools! Now that’s quite fragmented. I disagree with Symantec is perfectly located to eradicate that complexity and extend effectivity by delivering their integrated cyber-protection platform. funds-smart, this carrier typically lowers fees for their purchasers — it’s simpler technically and it saves them cash.
We additionally know that consumer and enterprise safety are interrelated. If individual personnel eddy into extra aware about safety concerns and stroll in the door greater secured, with much less possibility of compromise, that makes the job of any CIO simpler.
S+B: How conclude you music the external tendencies when it comes to threats?JORDAN: Symantec operates the area’s biggest civilian hazard intelligence community, and one of the vital complete collections of cybersecurity hazard options. They even beget thousands of engineers within the organization, including these working at once on the products, who are engaged in threat intelligence. Symantec is answerable for seeing and detecting issues before any person else does, and we’re the usage of that intelligence to forewarn others.
Cybercriminals are becoming smarter. If typical cybersecurity is enjoy locking the front door of your domestic, they’re finding how to near in the side door, a window, or a crack in the molding. and that they’re regularly lingering undetected and placing out, just watching. You don’t even recognize they’re internal unless they act.
Cyber products now beget to beget a major amount of synthetic intelligence and computer discovering inbuilt. They must travel to modern lengths to give protection to essentially the most dainty facts of an commercial enterprise, akin to cost card industry [PCI] statistics, credit card guidance, and now — with GDPR [General Data Protection Regulation] in impact — privateness statistics. In prior instances, a protection operations core analyst used to anatomize the information logs after a breach, looking for clues. today, they requisite to net at that needle in the haystack a whole lot more directly.
S+B: How should silent excellent administration live pondering these concerns?JORDAN: protection represents a huge random to any business. We’ve considered complete too many cases the place, if it’s not managed neatly, it may well beget harmful implications. “Are they comfortable?” is a simple question. The reply is extremely advanced. as an instance, how conclude you get inescapable each worker is protection aware? What are you doing to steer lucid of somebody from by accident leaving a laptop within the wrong vicinity?
“for those who fix your cybersecurity, you’re very nearly cleansing house; you now comprehend your infrastructure, functions, and data an dreadful lot stronger.”
In established, boards should disburse more time speakme about protection. In some ways, it is as faultfinding because the financials of a corporation. The safety posture should silent not live delegated to a subcommittee. each member of the board really must purchase into account the protection posture of their business. at the C-suite stage, cybersecurity is frequently assigned to the CIO or chief security officer, but the accountability of security has to live broader. safety is a enterprise approach. just as with different enterprise thoughts, you ought to believe govt alignment, method, policy, conversation, and, of path, expertise.
It’s now not almost insurance plan. there is a cost and efficiency play concerned. Your legacy servers and techniques may net used most effective as soon as a quarter, however they sit down there day by day without a monitoring, featuring one other means for cross guys to enter. for those who repair your cybersecurity, you’re basically cleansing residence; you now understand your infrastructure, applications, and facts a lot improved. that you could design your methods from the ground up to live greater protection conscious, resilient, and more convenient to get employ of.
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Hardware, although often an afterthought in an SAP project, is an essential component of an SAP system. Hardware comprises the servers (think “data heart computers”), disk storage systems, network gear (such as routers, network switches, and security firewalls), and tape backup units complete working together to create the infrastructure or ground layer of an SAP system. If any one piece is overlooked or skimped on, it creates a frail link or lone point of failure that may judgement something down the road as simple as a one-time nagging glitch or as major as a chain of significant system outages, costing your company precious dollars. When hardware purchases are addressed late in an implementation, inevitable budget cuts (yes, implementing SAP tends to live more expensive than most companies assay up front) often restrict purchasing what could beget been a robust and highly available system. forward planning will back you avoid this problem when designing the overall solution.
The major players in the SAP hardware marketplace sell systems that proper complete types of solution needs, from small/medium user platforms reflecting commodity solutions and low cost, to larger and highly resilient platforms capable of scaling on the waft to meet the changing or growing needs of thousands of users. Choosing a confederate simply based on denomination recognition is a advantageous set to start, to live sure. However, purchase confidence to investigate and compare hardware solutions from competitors that are truly apples-to-apples solutions. A million-dollar commodity hardware solution might champion the identical workload as a high-end proprietary system costing twice as much, but conclude they offer the identical levels of availability, scalability, and flexibility your commerce needs to survive month-end closing? By the identical token, will saving a few dollars on hardware (or database software, for that matter) require the IT department to disburse more money every year on systems management, maintenance activities, and downtime for upgrades and patches?Server Hardware
We view server hardware as coming in three main initial acquisition “cost” classes or performance categories: wee or low, medium, and lofty (see motif 4.1). Costs per server can ambit from a few thousand dollars to several million. Performance can vary as well, depending on the number of CPUs, amount of RAM, internal server architecture factors, champion for high-speed disk operations, and much more. Different hardware platforms are developed to champion various operating systems and levels of system availability. They differ in terms of configuration flexibility and on-the-fly adaptability too.
Figure 4.1 Servers for SAP near in a variety of sizes and configurations.
Interestingly, a lone SAP solution may utilize servers from one, two, or complete three categories. For instance, SAP solutions are commonly designed to leverage a high-end server for the database tier, a mid-tier server platform for the SAP central instance or applications servers, and perhaps very inexpensive servers to address web server needs, noncritical bolt-on solutions, and so on. Conversely, other SAP IT departments might elect to apportion complete their SAP components on only a few high-end servers that can live carved up into partitions or virtual machines as necessary. And some small/medium businesses (SMBs) may elect to hasten SAP solely on low-cost servers (relying on SAP’s built-in application server horizontal scalability to retain them out of danger should their workload grow). In any case, overall system availability, a comprehensive total cost of ownership analysis (reflecting technology, people, and process costs over time as well as up front), and anticipated future commerce requirements should drive your hardware platform decision.
Several of the largest and certainly best-known hardware vendors employ proprietary CPU chips in their servers and champion a proprietary OS as well. IBM’s PowerPC chip running AIX is a advantageous example, as are HP’s end-of-life PA-RISC and more concurrent Itanium2-based IA64 platforms running HP-UX. live positive to investigate your platform’s skill to host other operating systems as well; this can live advantageous down the road when you requisite to retire your SAP system and hunt to redeploy it internally rather than toss it in the dumpster. HP’s IA64 chips champion Windows, Linux, and OpenVMS, for example, whereas Sun’s latest offerings champion Solaris, Windows, and Linux.
Clearly the trend of late is around deploying low-cost servers based on commodity CPU chips from Intel and AMD (often referred to generically as “x64” platforms). HP and Dell are the biggest players in this market, though Sun offers a bit of selection here as well. Interestingly, these platforms are growing more and more powerful each year, supplanting some of the bigger server platforms in the process. Commodity server figure factors continue to expand and provide IT departments with choice—from dense blades to slim-line “pizza box” designs to more traditional big-box designs. Meanwhile, hardware vendors in this space continue to develop high-availability, virtualization, and other technologies and solutions that back apportion these servers on more of an equal footing with their proprietary counterparts. In complete the excitement and hype surrounding these well-performing upstarts, though, purchase confidence not to overlook trade offs. Low cost up front doesn’t always translate to low cost over a system’s lifetime, for example.
When purchasing servers and associated hardware for SAP, deem investing in the high-availability features offered for the platform, even if an additional suffuse is involved. Most servers offer redundant power supplies, redundant memory, disk array (RAID) controllers capable of running even after a disk drive fails, and champion for multiple network interfaces cards (NICs) to avoid failure of a network segment, network switch, or lone card. Leveraging these technologies will certainly extend the overall uptime of your SAP solution, typically adding only incremental cost in the process.
Server networks should live configured in a redundant vogue as well. In many IT data centers, the network represents a major—and avoidable—single point of failure. Dual switches and the employ of the aforementioned redundant NICs can eliminate or mitigate what otherwise could live a major outage. Of course, these NICs and switches must live properly and professionally installed, cabled, and configured to actually work well; attention to lofty availability is just as distinguished after the purchase as beforehand.Disk Subsystem Hardware
Most server hardware vendors likewise sell disk subsystems, which are essentially enclosures for multiple disk drives used by SAP and other applications to house the application’s database, its installation binaries or executables, and so on.
The most robust and well-performing disk subsystems today are in the figure of storage region networks (SANs) and to a lesser extent network-attached storage (NAS) systems. Similar to how servers are marketed, vendors sell low-tier, mid-tier, and high-end SANs and NAS devices. At a minimum, the storage chosen for SAP should champion redundant connectivity between the storage and the servers connected to it, so as to avoid a lone point of failure. RAID (Redundant Array of Inexpensive Disks) smooth 0, 1, 5, or 10 should live configured as well to protect against disk failures. As Table 4.1 suggests, different RAID levels provide various combinations of availability, cost, and performance.Table 4.1. Disk Subsystem RAID Types, Advantages, and Disadvantages
Method of Availability
Advantages and Disadvantages
Spans multiple disks, complete of which are available for storage. RAID 0 is distinguished when maximum space is needed, and it provides excellent performance as well. However, no disk redundancy is afforded, and it’s not viable for production systems.
Mirroring provides best-in-class performance and excellent redundancy, although it’s costly (a 500GB database requires a terabyte of raw disk capacity at minimum).
Disk striping with parity
Stripes data with parity, making for wonderful disk read performance, though to some extent a disk write penalty; excellent redundancy balanced by best-in-class low cost.
Disk mirroring and striping
Data is both striped and mirrored; best performance and redundancy, although this is the most costly mode of providing disk subsystem availability.
High-end SAN storage typically supports advanced replication technologies, too, which can live useful for calamity recovery purposes among other things. live positive to search for into such capabilities—the skill to copy data between remotely connected SANs or to create “snapshots” of SAP databases on the waft is useful in many different ways, from enabling rapid system backups, to allowing systems to live cloned for offline testing and training, to supporting calamity and commerce continuity requirements in the wake of a stern data heart outage.
Solutions provider takeaway: Exchange Server 2010's hardware and vigorous Directory (AD) requirements are crucial considerations for solutions providers before installation and deployment. This chapter excerpt offers information on hardware requirements, such as the amount of memory needed for an Edge Transport Server, and discusses how distinguished AD sites and services are to Exchange Server 2010.
Exchange Server 2010 Hardware Requirements
Microsoft maintains a list of minimum hardware requirements to install Exchange Server 2010. For the latest list of requirements, travel to https://technet.microsoft.com/en-us/ and search for "Exchange 2010 System Requirements."
Table 7.1 shows the minimum and recommended hardware requirements for Exchange Server 2010, as stated by Microsoft.Hardware Minimum Requirements Processor X64 architecture-based computer with Intel Processor that supports Intel 64 Intel Extended memory 64 Technology (formerly known as Intel EM64T)AMD processor that supports AMD64 platformNote -- Intel Itanium IA64 processors are NOT supported. Memory Memory Edge Transport Server -- Minimum: 2GB. Maximum: 16GB.Recommended: 1GB per core (2GB Minimum, 8GB Maximum)Hub Transport Server -- Minimum: 2GB. Maximum: 16GB.Recommended: 1GB per core (2GB Minimum, 8GB Maximum)Client Access Server -- Minimum: 2GB. Maximum: 16GB.Recommended: 2GB per core (8GB Minimum, 16GB Maximum)Unified Messaging Server -- Minimum: 4GB. Maximum: 8GB.Recommended: 1GB per core (4GB Minimum, 8GB Maximum)Mailbox Server -- Minimum: 2GB. Maximum: 64GB.Recommended: 2GB plus 2-4MB per mailboxMultiple Roles (combinations of Hub Transport, Client Access, and Mailbox Server Roles) -- Minimum: 4GB Maximum: 64GB. Recommended: 8GB plus 2-4MB per mailbox. Disk Space At least 1.2GB on the arduous disk where Exchange Server 2010 will live installed.An additional 500MB for each Unified Messaging language pack that will live installed.200MB on the system drive.A arduous disk drive that stores the message queue databases on an Edge Transport server or Hub Transport server with at least 500MB.
Note:These hardware requirements from Microsoft are the bare minimum and should not live used in best-practice scenarios. In addition, hardware requirements can change because of features and functionality required by the company, for example, the implementation of Unified Messaging voice mail services or clustering on an Exchange Server 2010 server can require more memory. note Chapter 34, "Optimizing an Exchange Server 2010 Environment," for more tips and best practices on sizing the server for your environment.
Understanding the vigorous Directory Requirements for Exchange Server 2010
An vigorous Directory (AD) infrastructure running on Windows Server 2003 or Windows Server 2008 must live in set before an organization can deploy Exchange Server 2010. Exchange Server depends on the services provided by AD to successfully duty and the design and implementation of the AD environment can beget an enormous impact on the success of the Exchange Server deployment. Mistakes made in the planning or implementation of AD can live costly and difficult to correct later.
If AD is already deployed, it is distinguished that the team designing the Exchange Server infrastructure beget a solid understanding of the existing AD environment. Organizations with an AD infrastructure already in set requisite to evaluate how Exchange Server can proper into their environment. If AD has not been deployed, the organization or team designing Exchange Server needs to diagram their implementation with a thought as to what their messaging infrastructure will search for like.
This section is designed to give a basic understanding of the AD infrastructure required to champion an Exchange Server 2010 implementation. Many facets are involved when planning a production AD infrastructure -- forest model, domain model, group policies and delegation of administration to denomination a few, and the information needed to design an AD infrastructure from conclude to conclude is beyond the scope of this book.
Some of the AD factors that should live considered when deploying Exchange Server 2010 include the following:
Note:For in-depth guidance on designing, implementing, and maintaining an AD infrastructure, refer to Windows Server 2003 Unleashed, R2 Edition, by Sams Publishing (ISBN: 0-672-32898-4), or Windows Server 2008 Unleashed, by Sams Publishing (ISBN:0-672-32930-1).
Global Catalog Server Placement
As was the case in Exchange 2000 Server through Exchange Server 2007, Exchange Server 2010 requires a global catalog infrastructure to function. The global catalog maintains an index of the vigorous Directory database for objects within its domain. Additionally, it stores partial copies of data for complete other domains within a forest.
Just as important, Exchange Server relies on global catalog servers to resolve email addresses for users within the organization. Failure to contact a global catalog server causes emails to bounce, as the recipient's denomination cannot live resolved.
Sizing a global catalog infrastructure and server placement is discussed in depth later in this chapter in the section entitled "Establishing a Proper Global Catalog Placement Strategy."
Active Directory Sites and Services
In Exchange Server 2003 and earlier, Exchange Server utilized dedicated routing topology for transporting messages throughout the organization. nascence with Exchange Server 2007, Microsoft redesigned the product to live a "site-aware" application. This continues in Exchange Server 2010.
Site-aware applications are able to determine what site they (and other servers) belong to by querying vigorous Directory. The site assign of complete Exchange server objects is maintained by the Microsoft Exchange vigorous Directory Topology Service. Additionally, Exchange Server 2010 servers utilize site membership to identify which Domain Controllers and Global Catalog servers should live utilized to process vigorous Directory queries.
The Exchange Server 2010 servers utilize vigorous Directory site membership as follows:
Hub Transport Servers -- assemble information from vigorous Directory to determine mail routing inside the organization. When a message hits the Microsoft Exchange Transport service, the Hub Transport server resolves the recipient's information and queries vigorous Directory to match an email address to the recipient's account. The result of this query includes the fully qualified domain denomination (FQDN) of the user's mailbox server.
From the FQDN, the AD site of the recipient's Mailbox server is determined and, if the Mailbox server is in the identical site as the Hub Transport server, the message is delivered. If the Mailbox server is in another site, the message is relayed to a Hub Transport server in that site, and the message is then delivered to the user's mailbox server.
Client Access Servers -- When a client access server receives a connection request from a user, it contacts AD to determine which mailbox server houses the user's mailbox and which site that server belongs to. If the mailbox server is in a different site, the connection is redirected to a client access server in the identical site as the mailbox server.
Mailbox Servers -- Query vigorous Directory to determine which Hub Transport servers are located in their site. Messages are submitted to local Hub Transport servers for routing and transport.
Unified Messaging Servers -- Utilize vigorous Directory site membership information to determine what Hub Transport servers are located in the identical site as the UM server. Messages for routing and transport are delivered to a Hub Transport server in the identical site as the UM server.
Forest and Domain Functional Levels
With each modern edition of the Windows Server and Exchange Server operating systems, modern functionalities are introduced. Some of these enhancements require that the vigorous Directory infrastructure live upgraded before you can purchase advantage of the modern capabilities. At times, these capabilities cannot live implemented until complete domain controllers in an environment beget been upgraded to the identical level.
To champion this, vigorous Directory has Forest and Domain functional levels that determine what enhancements are enabled or disabled. By raising the functional smooth of an environment, modern functionalities are enabled. By maintaining an older functional level, interoperability with older domain controllers is supported.
Forest Functional Levels
Windows Server 2003 supports three forest functional levels:
Windows Server 2008 supports three forest functional levels:
Note:To install Exchange Server 2010, the vigorous Directory forest functional smooth MUST live Windows Server 2003 or higher.
Windows 2000 indigenous and Windows Server 2003 Interim modes are NOT supported.
Domain Functional Levels
Windows Server 2003 supports four domain functional levels:
Windows Server 2008 supports three domain functional levels:
Note:To install Exchange Server 2010, the vigorous Directory domain functional smooth MUST live Windows Server 2003 or higher for each domain in the vigorous Directory forest that will house an Exchange Server 2010 server.
Windows 2000 Mixed, Windows 2000 Native, and Windows Server 2003 Interim modes are NOT supported.
Understanding springy lone Master Operations Roles
Active Directory uses a multimaster replication scheme for replicating directory information between domain controllers; however, inescapable domain and enterprise wide operations are not well suited for a multimaster model. Some services are better suited to a lone master operation to preclude the introduction of conflicts while an Operations Master is offline. These services are referred to as Operations Master or springy lone Master Operations (FSMO) roles.
FSMO roles can live either "forestwide" or "domainwide." The forestwide roles consist of the Schema Master and the Domain Naming Master. The domainwide roles consist of the Relative ID (RID) Master, the Primary Domain Controller (PDC) Emulator, and the Infrastructure Master. A brief description of each is as follows:
When designing the FSMO role placement of an vigorous Directory environment, the following best practices should live considered:
Note:As stated by Microsoft, to install Exchange Server 2010, the Schema master should beget "the latest 32-bit or 64-bit edition of the Windows Server 2003 measure or Enterprise operating system or the latest 32-bit or 64-bit edition of the Windows Server 2008 measure or Enterprise operating system."
Additionally, in each vigorous Directory site where you diagram to install Exchange Server 2010, you must beget at least one Global Catalog server that meets the identical criteria.
Understanding How DNS and AD Namespace Are Used in Exchange Server 2010
The first step in the actual design of the AD structure is the determination on a common domain denomination system (DNS) namespace that AD will occupy. AD revolves around (and is inseparable from) DNS and this determination is one of the most distinguished ones to make. The namespace chosen can live as straightforward as companyabc.com, for example, or it can live more complex. Multiple factors must live considered, however, before this determination can live made. Is it better to register an AD namespace on the Internet and potentially expose it to intruders, or is it better to elect an unregistered, internal namespace? Is it necessary to tie in multiple namespaces into the identical forest? These and other questions must live answered before the design process can proceed.
Impact Forests beget on an Exchange Server 2010 Design
An AD forest and an Exchange Server organization are tightly integrated. Exchange Server relies on AD as its directory repository for mailboxes, mail-enabled objects, Exchange servers, and much more. An AD forest can only host a lone Exchange organization and an Exchange organization can only span one AD forest.
It is recommended that a lone AD forest should live utilized to minimize complexity and administration when designing and implementing a company's Exchange Server implementation. However, there will live times when a lone AD forest will not meet the company's business, security, or political requirements.
If multiple AD forests are necessary to answer the company's requirements, it must live decided on which forest the Exchange organization will live hosted. It is workable to beget an Exchange Server reside in a lone forest, a dedicated resource forest, or to implement multiple Exchange organizations in multiple forests.
The Role of a Domain in Exchange Server 2010
After the AD forest structure has been laid out, the domain structure can live contemplated. Unlike the forest structure, an Exchange Server 2010 organization can span multiple domains within the forest if needed. Therefore, a user mailbox, Exchange server, or other Exchange remonstrate can reside in any domain within the forest where Exchange Server 2010 has been deployed. A company can diagram its domain model structure (single domain model or multiple domain model) based on their commerce and security requirements without a direct negative impact to the Exchange Server 2010 design.
While a lone domain model is often considered due to its simplicity, most organizations prefer the placeholder domain model. The placeholder domain model has an isolated domain serving as the root domain in the forest. The user domain, which contains complete production user accounts, would live located in a divorce domain in the forest, as illustrated in motif 7.1.
FIGURE 7.1 The placeholder domain model.
The placeholder domain structure increases security in the forest by segregating high-level schema-access accounts into a completely divorce domain from the regular user domain. Access to the placeholder domain can live audited and restricted to maintain tighter control on the faultfinding schema. The downside to this model, however, is the fact that the additional domain requires a divorce set of domain controllers, which increases the infrastructure costs of the environment. Smaller organizations may beget a difficult time justifying the extra infrastructure costs to provide the increased security, but whenever the budget allows, this model should definitely live considered.
Planning a Proper Sites and Services Architecture
As stated earlier, one of the major features of Exchange Server 2007 and Exchange Server 2010 is the skill to natively utilize vigorous Directory Sites and Services for routing mail, rather than having to implement and maintain an independent routing topology using connectors. To purchase advantage of this capability, you must first remove complete pre-Exchange Server 2007 servers from your environment.
If Exchange Server 2010 will live installed into an existing Exchange Server 2003 organization, the administrators must configure routing group connectors to ensure that the Exchange Server 2010 servers are communicating to legacy servers.
For more information on coexistence of Exchange Server 2010 with legacy versions, review Chapter 15, "Migrating from vigorous Directory 2000/2003 to vigorous Directory 2008."
Administrators should live aware of the best practices for designing a proper Sites and Services architecture to champion Exchange Server 2010. From a high-level perspective, within AD it is necessary for administrators to create sites, earmark subnets to sites, and then create site links between sites for communication to occur. Similar to Exchange 2000 and 2003, it is workable to set up redundant links between sites and earmark costs to control communication priorities.
Active Directory Sites
The basic unit of AD replication is known as the site. Not to live confused with physical sites or Exchange Server 5.5 sites, the AD site is simply a group of domain controllers connected by high-speed network connections. Each site is established to more effectively replicate directory information across the network. In a nutshell, domain controllers within a lone site will, by default, replicate more often than those that exist in other sites. The concept of the site constitutes the centerpiece of replication design in AD.
Associating Subnets with Sites
In most cases, a divorce instance of a site in AD physically resides on a divorce subnet from other sites. This belief stems from the concept that the site topology most often mimics, or should mimic, the physical network infrastructure of an environment.
In AD, sites are associated with their respective subnets to allow for the intelligent assignment of users to their respective domain controllers. For example, deem the design shown in motif 7.2.
FIGURE 7.2 Sample Exchange Server and Client site assignment.
In this example, Server-EX01 is a physical member of the 192.168.115.0/24 subnet. Server-EX02 and Client01 are both members of the 192.168.116.0/24 subnet. Based on the subnets, Server-EX01 will automatically live assigned to the domain controller Server-DC01 in SITE01 and Server-EX02 and Client01 will live assigned to the domain controller Server-DC02 in SITE02.
Using Site Links
By default, the creation of two sites in AD does not automatically create a connection linking the two sites. This character of functionality must live manually implemented by the creation of a "site link."
A site link is essentially a connection that joins together two sites and allows for replication traffic to stream from one site to another. Multiple site links can live set up and should normally succeed the wide region network (WAN) lines of your organization. Multiple site links likewise assure redundancy so that if one link goes down, replication traffic has an alternate path.
Site link replication schedules can live modified to proper the requirements of your organization. If, for example, the WAN link is saturated during the day, a schedule can live established to replicate information at night. This functionality allows you to easily adjust site links to the needs of any WAN design.
Exchange Server 2010 and Site Membership
After the AD site topology has been created, including adding the preempt subnets to sites and creating site links between sites, an administrator can now purchase Exchange Server placement into consideration.
Similar to AD domain controllers, Exchange Server 2010 servers will live associated with sites in AD based on their IP address and subnet mask. As stated earlier, there should live at least one domain controller/global catalog server residing in each site that an Exchange Server 2010 server will live in.
For more information on creating an Exchange Server routing topology, refer to Chapter 4, "Architecting an Enterprise-Level Exchange Server Environment."
Note:If an AD infrastructure already exists prior to the design of the Exchange Server 2010 environment, there might live a requisite to get changes to the AD routing topology to champion the Exchange routing requirements.
Establishing a Proper Global Catalog Placement Strategy
Another region of importance is the design and placement of global catalog servers within the environment. The importance of the global catalog server cannot live overstated. The global catalog is used for the address list that users note when they are addressing a message and by Exchange servers every time a message is delivered. If a global catalog server is not available, the recipient's address will not resolve when users address a message, and the message cannot live delivered.
There should live at least one global catalog server in every AD site that contains an Exchange Server 2010 server. The recommendation from Microsoft is as follows:
If vigorous Directory is running on a 32-bit system, the recommendation is 4:1 -- for every four processor cores in your mailbox servers, you should beget one processor core in a global catalog server. For example, if you beget 2 mailbox servers, each with dual quad-core processors, that is 16 processor cores. You should beget at least 4 processor cores worth of global catalog computing, so 1 quad core server, or 2 dual core servers should conclude the trick.
If vigorous Directory is running on a 64-bit system, the recommended ratio is 1:8. However, you must beget enough memory installed on the server to cache the entire vigorous Directory database in memory. To verify the size of your vigorous Directory database, search for at the size of the %WINDIR%NTDSNTDS.DIT file.
For optimization, diagram on having a global catalog server nearby to the clients to provide efficient address list access. Making complete domain controller servers global catalog servers is recommended for an organization that has a lone AD domain model and a lone site. Otherwise, for multidomain models, complete domain controllers can live configured as global catalog servers except for the domain controller hosting the Infrastructure Master FSMO role.
Note:It is a best drill to beget a minimum of at least two global catalog servers within an AD infrastructure.
Installing Exchange Server 2010 Exchange Server 2010 server roles, prerequisites, lofty availability Exchange Server 2010 requirements: Hardware, vigorous Directory Exchange Server 2010 role-based access control
Printed with authorization from Sams Publishing. Copyright 2009. Exchange Server 2010 Unleashed by Rand Morimoto, Michael Noel, Chris Amaris, Andrew Abbate and label Weinhardt. For more information about this title and other similar books, tickle visit Sams Publishing.
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CPP-Institute [1 Certification Exam(s) ]
CSP [1 Certification Exam(s) ]
CWNA [1 Certification Exam(s) ]
CWNP [13 Certification Exam(s) ]
Dassault [2 Certification Exam(s) ]
DELL [9 Certification Exam(s) ]
DMI [1 Certification Exam(s) ]
DRI [1 Certification Exam(s) ]
ECCouncil [21 Certification Exam(s) ]
ECDL [1 Certification Exam(s) ]
EMC [129 Certification Exam(s) ]
Enterasys [13 Certification Exam(s) ]
Ericsson [5 Certification Exam(s) ]
ESPA [1 Certification Exam(s) ]
Esri [2 Certification Exam(s) ]
ExamExpress [15 Certification Exam(s) ]
Exin [40 Certification Exam(s) ]
ExtremeNetworks [3 Certification Exam(s) ]
F5-Networks [20 Certification Exam(s) ]
FCTC [2 Certification Exam(s) ]
Filemaker [9 Certification Exam(s) ]
Financial [36 Certification Exam(s) ]
Food [4 Certification Exam(s) ]
Fortinet [13 Certification Exam(s) ]
Foundry [6 Certification Exam(s) ]
FSMTB [1 Certification Exam(s) ]
Fujitsu [2 Certification Exam(s) ]
GAQM [9 Certification Exam(s) ]
Genesys [4 Certification Exam(s) ]
GIAC [15 Certification Exam(s) ]
Google [4 Certification Exam(s) ]
GuidanceSoftware [2 Certification Exam(s) ]
H3C [1 Certification Exam(s) ]
HDI [9 Certification Exam(s) ]
Healthcare [3 Certification Exam(s) ]
HIPAA [2 Certification Exam(s) ]
Hitachi [30 Certification Exam(s) ]
Hortonworks [4 Certification Exam(s) ]
Hospitality [2 Certification Exam(s) ]
HP [750 Certification Exam(s) ]
HR [4 Certification Exam(s) ]
HRCI [1 Certification Exam(s) ]
Huawei [21 Certification Exam(s) ]
Hyperion [10 Certification Exam(s) ]
IAAP [1 Certification Exam(s) ]
IAHCSMM [1 Certification Exam(s) ]
IBM [1532 Certification Exam(s) ]
IBQH [1 Certification Exam(s) ]
ICAI [1 Certification Exam(s) ]
ICDL [6 Certification Exam(s) ]
IEEE [1 Certification Exam(s) ]
IELTS [1 Certification Exam(s) ]
IFPUG [1 Certification Exam(s) ]
IIA [3 Certification Exam(s) ]
IIBA [2 Certification Exam(s) ]
IISFA [1 Certification Exam(s) ]
Intel [2 Certification Exam(s) ]
IQN [1 Certification Exam(s) ]
IRS [1 Certification Exam(s) ]
ISA [1 Certification Exam(s) ]
ISACA [4 Certification Exam(s) ]
ISC2 [6 Certification Exam(s) ]
ISEB [24 Certification Exam(s) ]
Isilon [4 Certification Exam(s) ]
ISM [6 Certification Exam(s) ]
iSQI [7 Certification Exam(s) ]
ITEC [1 Certification Exam(s) ]
Juniper [64 Certification Exam(s) ]
LEED [1 Certification Exam(s) ]
Legato [5 Certification Exam(s) ]
Liferay [1 Certification Exam(s) ]
Logical-Operations [1 Certification Exam(s) ]
Lotus [66 Certification Exam(s) ]
LPI [24 Certification Exam(s) ]
LSI [3 Certification Exam(s) ]
Magento [3 Certification Exam(s) ]
Maintenance [2 Certification Exam(s) ]
McAfee [8 Certification Exam(s) ]
McData [3 Certification Exam(s) ]
Medical [69 Certification Exam(s) ]
Microsoft [374 Certification Exam(s) ]
Mile2 [3 Certification Exam(s) ]
Military [1 Certification Exam(s) ]
Misc [1 Certification Exam(s) ]
Motorola [7 Certification Exam(s) ]
mySQL [4 Certification Exam(s) ]
NBSTSA [1 Certification Exam(s) ]
NCEES [2 Certification Exam(s) ]
NCIDQ [1 Certification Exam(s) ]
NCLEX [2 Certification Exam(s) ]
Network-General [12 Certification Exam(s) ]
NetworkAppliance [39 Certification Exam(s) ]
NI [1 Certification Exam(s) ]
NIELIT [1 Certification Exam(s) ]
Nokia [6 Certification Exam(s) ]
Nortel [130 Certification Exam(s) ]
Novell [37 Certification Exam(s) ]
OMG [10 Certification Exam(s) ]
Oracle [279 Certification Exam(s) ]
P&C [2 Certification Exam(s) ]
Palo-Alto [4 Certification Exam(s) ]
PARCC [1 Certification Exam(s) ]
PayPal [1 Certification Exam(s) ]
Pegasystems [12 Certification Exam(s) ]
PEOPLECERT [4 Certification Exam(s) ]
PMI [15 Certification Exam(s) ]
Polycom [2 Certification Exam(s) ]
PostgreSQL-CE [1 Certification Exam(s) ]
Prince2 [6 Certification Exam(s) ]
PRMIA [1 Certification Exam(s) ]
PsychCorp [1 Certification Exam(s) ]
PTCB [2 Certification Exam(s) ]
QAI [1 Certification Exam(s) ]
QlikView [1 Certification Exam(s) ]
Quality-Assurance [7 Certification Exam(s) ]
RACC [1 Certification Exam(s) ]
Real-Estate [1 Certification Exam(s) ]
RedHat [8 Certification Exam(s) ]
RES [5 Certification Exam(s) ]
Riverbed [8 Certification Exam(s) ]
RSA [15 Certification Exam(s) ]
Sair [8 Certification Exam(s) ]
Salesforce [5 Certification Exam(s) ]
SANS [1 Certification Exam(s) ]
SAP [98 Certification Exam(s) ]
SASInstitute [15 Certification Exam(s) ]
SAT [1 Certification Exam(s) ]
SCO [10 Certification Exam(s) ]
SCP [6 Certification Exam(s) ]
SDI [3 Certification Exam(s) ]
See-Beyond [1 Certification Exam(s) ]
Siemens [1 Certification Exam(s) ]
Snia [7 Certification Exam(s) ]
SOA [15 Certification Exam(s) ]
Social-Work-Board [4 Certification Exam(s) ]
SpringSource [1 Certification Exam(s) ]
SUN [63 Certification Exam(s) ]
SUSE [1 Certification Exam(s) ]
Sybase [17 Certification Exam(s) ]
Symantec [134 Certification Exam(s) ]
Teacher-Certification [4 Certification Exam(s) ]
The-Open-Group [8 Certification Exam(s) ]
TIA [3 Certification Exam(s) ]
Tibco [18 Certification Exam(s) ]
Trainers [3 Certification Exam(s) ]
Trend [1 Certification Exam(s) ]
TruSecure [1 Certification Exam(s) ]
USMLE [1 Certification Exam(s) ]
VCE [6 Certification Exam(s) ]
Veeam [2 Certification Exam(s) ]
Veritas [33 Certification Exam(s) ]
Vmware [58 Certification Exam(s) ]
Wonderlic [2 Certification Exam(s) ]
Worldatwork [2 Certification Exam(s) ]
XML-Master [3 Certification Exam(s) ]
Zend [6 Certification Exam(s) ]
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