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000-608 IBM WebSphere Process Server V7.0 Deployment

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000-608 exam Dumps Source : IBM WebSphere Process Server V7.0 Deployment

Test Code : 000-608
Test cognomen : IBM WebSphere Process Server V7.0 Deployment
Vendor cognomen : IBM
real questions : 65 existent Questions

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IBM IBM WebSphere Process Server

access IBM WebSphere MQ from Azure carrier textile | killexams.com existent Questions and Pass4sure dumps

When coping with enterprise utility integration situations, Messaging components play vital role in making cross-cloud and retract know-how add-ons consult with each other.

during this short weblog allocate up, we're going to discover the patterns and strategies used to combine IBM MQ with Azure service cloth, they can survey alternatives to drag messages from IBM MQ birthright into a stateless carrier operating in Azure carrier fabric. The excessive-stage circulation is depicted under

setting up your evolution MQ

one of the surest technique to secure started with IBM MQ for evolution purpose is the expend of IBM’s true Docker container picture. guidelines offered within the Docker hub web page — https://hub.docker.com/r/ibmcom/mq/ . subsist vigilant and skim the IBM’s phrases and usage licencing cautiously earlier than using the equal.

For evolution goal you can flee the vivid with the default configuration. birthright here Docker command can too subsist used to at once set up a WebSphere MQ for your indigenous atmosphere

if you befall to flee the above command, subsist positive to absorb the MQ up and working.MQ management portal obtainable in http://localhost:9443/ibmmq/consoleDefault credentials to entry the IBM MQ portal person identify — admin Password — passw0rdMQ is configured to pay attention port 1414. Screenshots from IBM MQ Portal with the default configuration shown under in your reference.

MQ Console Login

getting access to IBM MQ from carrier textile — Stateless provider

There are two methods to access IBM MQ from .net code

1)using IBM.XMS libraries >>hyperlink<<2)the expend of IBM.WMQ libraries >>hyperlink<<

access IBM MQ from Azure carrier textile — sample Code — the expend of IBM.WMQ

right here pattern code is to ballot a IBM MQ server periodically and technique if there's a message in the queue. bear inescapable to update carrier fabric configuration data with IBM MQ connection homes

Reference


IBM's Watson anywhere Highlights veracity Of A Multi-Cloud World | killexams.com existent Questions and Pass4sure dumps

summary

The bulletins IBM made finally week's reckon 2019 convention round Watson AI capabilities are neatly timed to meet evolving cloud computing demands.

IBM stated that through their Watson any plot initiative they are making Watson AI services attainable throughout AWS, Azure and GCP, besides their personal IBM Cloud choices.

For cases the plot organizations can too exigency to help and/or flee AI-based mostly applications in inner most clouds or their personal information centers, the trade is licensing Watson to subsist able to flee in the neighborhood.

Ever on the grounds that the ascend to prominence of cloud computing, we've considered organizations grapple with a pass to most profitable feel about and leverage this modern skill of computing. Some agencies, specifically net-concentrated ones, dove in head first and too absorb their complete existence subject on capabilities dote Amazon's AWS (Amazon web capabilities) (NASDAQ:AMZN), Microsoft's Azure (NASDAQ:MSFT), and Google's Cloud Platform (GCP) (NASDAQ:GOOG) (NASDAQ:GOOGL). for many natural groups, besides the fact that children, the technique of affecting towards the cloud hasn't been very nearly as clear, nor as convenient. on account of massive investments of their own physical information centers, thousands of legacy functions, and many other personalized utility investments that weren't originally designed with the cloud in mind, the transition to cloud computing has been a whole lot slower.

one of the vital hindrances in affecting to the cloud for these habitual carriers is that the shift has regularly required a monolithic exchange to a completely new, different character of computing. obviously, it really is no longer handy to do, notably if the option you might subsist relocating to is viewed as a novel choice, with few alternatives. In certain, because AWS was so preeminent in the early days of cloud computing, many companies were petrified of getting locked into this modern ambiance.

As alternative cloud computing offerings from Microsoft, Google, IBM (NYSE:IBM), Oracle (NYSE:ORCL), SAP (NYSE:SAP) and others begun to kick in, although, groups sum started to contemplate that various doable alternatives had been obtainable. What's been occurring within the cloud computing world over the final 12-18 months is more than simply an effortless raise in competitive alternatives. or not it's a significant enlargement in brooding about a pass to approach computing in the cloud. With multi-cloud, for instance, companies are actually embracing, instead of rejecting, the conception of having different types of workloads hosted by several vendors.

In a method, we're seeing cloud computing evolve in a similar path to overall computing trends, however at a a considerable deal sooner pace. The prefatory AWS choices, as an example, weren't that conceptually distinctive from mainframe-based efforts, focused around a platform controlled through a single dealer. The combination of recent offerings from different providers as well as several types of supported workloads could subsist seen as a theoretical corresponding to greater heterogenous computing models. The circulation to containers and microservices throughout several cloud computing providers in many ways mirrors the customer-server evolution stage of computing. eventually, the recent evolution of "serverless" fashions for cloud computing can subsist considered roughly analogous to the advancements in locality computing.

during this context, bulletins that IBM made finally week's arbitrator 2019 conference around their Watson AI capabilities are smartly timed to meet evolving cloud computing calls for. chiefly, the trade stated that through their Watson anywhere initiative they had been going to subsist making Watson AI capabilities attainable across AWS, Azure, and GCP, in addition to their own IBM Cloud offerings. in addition, for cases the plot corporations may additionally wish to strengthen and-or flee AI-based mostly purposes in deepest clouds or their own statistics facilities, the enterprise is licensing Watson to subsist capable of flee locally.

building on the business's Cloud deepest for facts as a ground platform, IBM is offering a altenative of Watson APIs or direct access to the Watson coadjutant throughout sum of the in the past outlined cloud platforms, in addition to programs running red Hat OpenShift or Open Stack throughout numerous distinctive environments.

This offers businesses the pliability they at the flash are anticipating to entry these services throughout quite a number cloud computing offerings. actually, businesses can secure the AI computing substances they need, despite the category of cloud computing efforts they've chosen to make. even if it subsist including cognitive functions capabilities to an latest legacy software it's been lifted and shifted to the cloud, or architecting an entirely modern microservices-based mostly provider leveraging cloud-native structures and protocols, the ambit of flexibility being offered to businesses looking to circulation greater of their efforts to the cloud are transforming into dramatically.

providers who wish to tackle these wants will ought to adopt this greater bendy classification of pondering and lucky or further capabilities that well now not simplest the veracity of the multi-cloud world, but the ambit of selections that these modern alternate options are starting to allow. The implications of multi-cloud are enormously higher, although, than just having a altenative of carriers or opting for to host several workloads with one vendor and other workloads with yet another. Multi-cloud is definitely enabling groups to believe about cloud computing in a more bendy, approachable means. it's exactly the sort of pile the trade should acquire cloud computing into the mainstream.

Disclaimer: probably the most creator's purchasers are companies in the tech industry.

Disclosure: None.

SeekingAlpha

New IBM Cloud Integration Platform Highlights Confusion Over Hybrid Integration | killexams.com existent Questions and Pass4sure dumps

ultimately week’s feel 2019 convention, IBM made a splash with its announcement that its Watson AI platform would flee on the Amazon AWS, Microsoft Azure, and Google Cloud Platform public clouds as well as on-premises enterprise environments.

This full-throated usher of hybrid IT eclipsed a related announcement that IBM is rolling out the modern IBM Cloud Integration Platform, accordingly throwing its hat into the more and more crowded Hybrid Integration Platform (HIP) market.

Given the fact that the commemorate ‘hybrid’ appears twice within the paragraph above, it might subsist effortless to anticipate that the ‘hybrid’ in ‘hybrid IT’ competence the same issue as the subsist vigilant when it appears in ‘Hybrid Integration Platform.’

a better seem at the HIP terminology, besides the fact that children, uncovers a confusing, but vital mountainous difference. Hybrid integration isn’t hybrid because it refers to integration for hybrid IT (despite the fact that many businesses will expend it for such).

as an alternative, ‘hybrid integration’ capability ‘a mixture of different integration applied sciences’ – and this benign of mishmash can too very smartly travail at retract applications to the very hybrid IT approach that it's meant to aid.

Cloud indigenous provider meshes are the pass forward for hybrid integrationPeter Burka

It’s square to subsist HIP

definitely, in case you seem on the carriers who are beating the HIP drum the loudest, this pattern becomes clear: now not only IBM, however Axway, Oracle , utility AG, Talend, and TIBCO are sum touting their newfangled HIPs. seem beneath the covers of sum of these incumbent vendors’ offerings, however, and you’ll survey a amalgamate of diverse products modern and historical, as even though aggregating a bunch of SKUs instantly creates a platform.

In IBM’s case, as an example, the brand modern IBM Cloud Integration Platform includes Apache Kafka (for adventure streaming), IBM Aspera (for top quicken statistics switch), Kubernetes for orchestration of containers for microservices, and the venerable IBM MQ.

IBM MQ, in reality, dates from 1993, when it turned into MQSeries. in the 2000s, IBM dubbed it WebSphere MQ, and now it’s fraction of huge Blue’s Cloud Integration Platform.

Of route, IBM and the different incumbents on the record above survey no issue mixing in legacy integration applied sciences with more recent, cloud-based ones – because in spite of everything, businesses are themselves working a mixture of legacy and cloud. Wouldn’t it bear sense, for this reason, for a HIP to encompass such an aggregation of capabilities?

Gartner , in reality, is championing HIP for corporations who must acquire trust of extravagant degrees of IT complexity. “In most cases, the habitual integration toolkit — a set of project-selected integration apparatus — is unable to address this stage of complexity,” explains a ‘Smarter with Gartner’ article. “companies exigency to stream toward what Gartner calls a hybrid integration platform, or HIP. The HIP is the ‘domestic’ for sum functionalities that bear positive the smooth integration of assorted digital transformation initiatives in a company.”

Incumbent integration providers are perfectly chuffed with Gartner’s take, as it justifies peddling their purchasers a mishmash of historic and modern integration applied sciences and labeling it a platform. really, this point of view aligns with Gartner’s flawed bimodal IT philosophy (Why flawed? survey my article on bimodal IT from 2015).

The effect: bimodal integration. “Addressing the pervasive integration requirements fostered through the digital revolution is urging IT leaders to circulation toward a bimodal, home made integration strategy,” in keeping with a 2016 file with the aid of Gartner analysts Massimo Pezzini, Jess Thompson, Keith Guttridge, and Elizabeth Golluscio. “imposing a hybrid integration platform on the basis of the most suitable practices mentioned in this analysis is a key success component.”

Bimodal Integration: lacking the point of Hybrid IT

There’s no arguing with the incontrovertible fact that the bimodal IT sample is a veracity for a lot of giant agencies. The argument, as an alternative, is whether or not it’s a fine thing or a foul component.

nowadays’s discussions of hybrid IT, actually, are more and more recognizing that bimodal it is an anti-sample, and that there’s a more robust means of coping with distinctive environments and technologies than keeping apart them into ‘sluggish’ and ‘quick’ modes.

Case in point: Hybrid it's a workload-centric management method that abstracts the diversity of deployment environments, enabling organizations to focus on the company cost of the purposes they deploy rather than the specifics of the technology applicable to at least one atmosphere or a different.

In direct opposition to bimodal, the most profitable succeed strategy to hybrid it's actually cloud native. “Cloud-native is an method to constructing and working applications that exploits the advantages of the cloud computing start model,” in response to the Pivotal internet web site. “Cloud-native is about how applications are created and deployed, not the place.”

essentially the most essential characteristic of this definition of cloud indigenous is that it’s not particular to the cloud. really, you don’t want a cloud in any respect to commemorate a cloud indigenous method – you comfortably should undertake an architecture that exploits the benefits of the cloud birth mannequin, despite the fact that it subsist on premises.

as an alternative of the HIPs the incumbent integration providers convey that bear stronger the bimodal IT model, hence, organisations may soundless circulation toward cloud indigenous integration tactics that summary the underlying expertise wherever it could be, as opposed to connecting it up with a mishmash of older and more moderen equipment.

Confusion over Cloud indigenous Integration

in case you’re considering at this point of throwing out that Gartner HIP document and looking for a cloud indigenous integration providing, smartly, not so quickly. First, cloud indigenous integration continues to subsist reasonably modern and relatively immature, especially when in comparison with the HIP components from the incumbents.

second, in many instances, what a seller calls ‘cloud indigenous integration’ is not cloud indigenous in any respect – or at least, doesn’t drop under the equal definition because the one above.

for example, red Hat has lately announced purple Hat Integration, which it touts as a cloud indigenous integration platform. show beneath the covers, despite the fact, and it contains an aggregation of older items, including AMQ, Fuse online, and others.

purple Hat is as a result aligning crimson Hat Integration extra with Gartner’s proposal of HIP than architecting a modern product that might qualify as cloud native. “We’re discovering that valued clientele are constructing integration architectures that encompass capabilities from diverse products, so they created a dedicated SKU and brought the entire capabilities from their integration portfolio collectively birthright into a single product,” explains Sameer Parulkar, integration manager at crimson Hat. “All of those pieces are tied together in a extra unified approach, managed by the expend of a well-recognized interface.”

The Blurred Line Between Cloud indigenous Integration and iPaaS

What purple Hat capability by ‘cloud native’ as a consequence appears to subsist more about running within the cloud than pile a go-ambiance abstraction – however any such disagreement continues to subsist a blurry one.

A dealer that blurs this line further is Dell Boomi. Boomi is a age Integration Platform-as-a-provider (iPaaS) providing, which competence it runs within the cloud and clients entry it as a cloud provider.

without rigor operating as a cloud carrier, however, doesn’t instantly qualify a product as cloud native. That being said, Boomi does walk the cloud indigenous walk. “A cloud-native integration cloud eliminates the want for shoppers to purchase, implement, manage and hold the underlying hardware and software, no count number where they process their integrations,” the Boomi site explains, “within the cloud, on-premise or at the community facet.”

To its credit, Boomi’s approach flies within the pan of Gartner’s pondering round HIP. “In a hybrid IT environment, the Boomi platform can too subsist deployed wherever it makes taste to assist integration: in the cloud, on-premise or both,” the Boomi site continues.

a further iPaaS seller that's aligning itself with the cloud indigenous integration tale (whereas concurrently making an attempt to play the HIP card) is SnapLogic. “We’ve confirmed that we’re that one integration platform this is each handy to bear expend of and robust ample to handle a wide set of integration situations,” touts SnapLogic CEO Gaurav Dhillon, “spanning software integration, API management, B2B integration, records integration, statistics engineering, and more – no matter if within the cloud, on-premises, or in hybrid environments.”

service Meshes: The pass forward for Cloud indigenous Integration

if you had the luxury of designing cloud indigenous integration starting with a immaculate sheet of paper, it wouldn’t seem to subsist at sum dote HIP – and it probably wouldn’t seem to subsist plenty dote iPaaS, either.

What it could show to subsist is extra what the Kubernetes/cloud indigenous community is looking a carrier mesh. “A service mesh is a configurable, low‑latency infrastructure layer designed to deal with a tall volume of community‑based interprocess verbal exchange amongst utility infrastructure features the expend of application programming interfaces (APIs),” explains the Nginx internet web page.

This definition is on the technical aspect, but the key takeaway is that provider meshes summary community-level conversation with APIs, therefore supporting a hybrid IT abstraction layer it is able to achieve sum of the performance you’d forecast with the aid of imposing integration at the community layer.

Implementations of carrier meshes dote the ones Nginx is talking about, although, are barely off the drafting board. “Istio, backed by pass of Google, IBM, and Lyft, is presently the top-rated‑normal service mesh architecture,” the Nginx web page continues. “Kubernetes, which become initially designed by pass of Google, is presently the simplest container orchestration framework supported by using Istio.”

Nginx provides a vital caveat. “Istio isn't the best choice, and other provider mesh implementations are additionally in building.” nonetheless, the writing is on the wall: as cloud indigenous integration matures, the bimodal integration strategies accepted these days will whirl into more and more out of date.

It’s no coincidence that IBM is backing Istio, of path. The query of the day, therefore, is when – or if – the other incumbent integration vendors could absorb the courage to comply with retract well with.

Intellyx publishes the Agile Digital Transformation Roadmap poster, advises organizations on their digital transformation initiatives, and helps providers communicate their agility studies. As of the time of writing, IBM, Microsoft, software AG, and SnapLogic are former Intellyx clients. not one of the different agencies mentioned in this article are Intellyx consumers. photo credit score: Peter Burka.


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IBM delivers modern DevOps stack for microservices evolution | killexams.com existent questions and Pass4sure dumps

IBM has added to its portfolio of DevOps tools by introducing a modern product for developing microservices known as the IBM Microservice Builder.

IBM's Microservice Builder makes it easier for developers to build, deploy and manage applications built with microservices, and it provides flexibility for users to flee microservices on premises or in any cloud environment. The implement simplifies microservices evolution in a DevOps context.

"Microservices are becoming increasingly approved for pile trade applications, and with gracious reason," said Charles King, president and principal analyst with Pund-IT. "Basically, rather than the highly monolithic approach required for traditional enterprise application development, microservices enable apps to subsist constructed out of individually crafted components that address specific processes and functions. They can too leverage a wide variety of developer tools and programming languages."

Charlotte Dunlap, principal analyst for application platforms at GlobalData, called IBM's Microservice Builder "significant" for its modern monitoring capabilities, "which are increasingly vital to DevOps as fraction of [application lifecycle management]," she said. "Developing and deploying advanced apps in a cloud era complicates application performance management (APM) requirements. IBM's been working to leverage its traditional APM technology and tender it via Bluemix through tools and frameworks. [Open source platform] technologies dote Istio will play a mountainous role in vendor offerings around these DevOps monitoring tools."

Microservices are hot

IBM officials illustrious that microservices absorb become chafed´ among the developer set because they enable developers to travail on multiple parts of an application simultaneously without disrupting operations. This way, developers can better integrate common functions for faster app deployment, said Walt Noffsinger, director of app platform and runtimes for IBM Hybrid Cloud.

Along with containers, DevOps aligns well with microservices to advocate rapid hybrid and cloud-native application evolution and testing cycles with greater agility and scalability. Walk Noffsingerdirector of app platform and runtimes, IBM Hybrid Cloud

The modern tool, according to IBM, helps developers along each step of the microservices evolution process from writing and testing code to deploying and updating modern features. It too helps developers with tasks such as resiliency testing, configuration and security.

"With Microservice Builder, developers can easily learn about the intricacies of microservice apps, quickly compose and build innovative services, and then rapidly deploy them to various stages by using a preintegrated DevOps pipeline. sum with step-by-step guidance," Noffsinger said.

IBM is focused on DevOps because it helps both mountainous Blue and its customers to meet the fast-changing demands of the marketplace and to subsist able to launch modern and enhanced features more quickly.

"DevOps is a key capability that enables the continuous delivery, continuous deployment and continuous monitoring of applications; an approach that promotes closer collaboration between lines of business, evolution and IT operations," Noffsinger said. "Along with containers, DevOps aligns well with microservices to advocate rapid hybrid and cloud-native application evolution and testing cycles with greater agility and scalability."

The WebSphere connection

The Microservice Builder initiative was conceived and driven by the team behind IBM's WebSphere Application Server, an established family of IBM offerings that helps companies create and optimize Java applications.

"Our keen insight into the needs of enterprise developers led to the evolution of a turnkey solution that would eliminate many of the challenges faced by developers when adopting a microservices architecture," Noffsinger said.

The WebSphere team designed Microservice Builder to enable developers to bear expend of the IBM Cloud developer tools, including Bluemix Container Service.

The modern implement uses a Kubernetes-based container management platform and it too works with Istio, a service IBM built in conjunction with Google and Lyft to facilitate communication and data-sharing between microservices.

Noffsinger said IBM plans to deepen the integration between Microservice Builder and Istio. A deeper integration with Istio, he said, will allow Microservice Builder to embrace the competence to define elastic routing rules that enable patterns such as canary and A/B testing, along with the competence to inject failures for resiliency testing.

Popular languages and protocols

IBM's Microservice Builder uses approved programming languages and protocols, such as MicroProfile, Java EE, Maven, Jenkins and Docker.

Noffsinger too illustrious that the MicroProfile programming model extends Java EE to enable microservices to travail with each other. It too helps to accelerate microservices evolution at the code level.

He said the tool's integrated DevOps pipeline automates the evolution lifecycle and integrates log analytics and monitoring to assist with problem diagnosis.

In addition, Noffsinger explained that the implement provides consistent security features through OpenID Connect and JSON Web Token and implements sum the security features built into the WebSphere portfolio which absorb been hardened over years of use.

Meanwhile, Pund-IT's King argued that the sheer variety of skills and resources that can subsist brought to stand in microservice projects can subsist something of an Achilles' heel in terms of project management and oversight.

"Those are among the primary challenges that IBM's modern Microservice Builder aims to address with its comprehensive collection of developer tools, advocate for key program languages and elastic management methodologies," he said.


WebSphere eXtreme Scale Design and Performance Considerations | killexams.com existent questions and Pass4sure dumps

Fundamentals: How does WXS decipher the Scalability problem?Understanding ScalabilityIn understanding the scalability challenge addressed by WebSphere eXtreme

Scale, let us first define and understand scalability.

Wikipedia defines scalability as a "desirable property of a system, a network, or a process, which indicates its competence to either handle growing amounts of travail in a graceful manner, or to subsist readily enlarged. For example, it can refer to the capability of a system to enlarge total throughput under an increased load when resources (typically hardware) are added."

  • Scalability in a system is about the competence to finish more, whether it is processing more data or handling more traffic, resulting in higher transactions
  • scalability poses considerable challenges to database and transaction systems
  • An enlarge in data can expose demand constraints on back-end database servers
  • This can subsist a very expensive and short term approach to solving the problem of processing ever growing data and transactions
  • At some point, either due to practical, fiscal or physical limits, enterprises are unable to continue to "scale out" by simply adding hardware. The progressive approach then adopted is to "scale out" by adding additional database servers and using a tall quicken connection between the database servers to provide a fabric of database servers. This approach while viable, poses some challenges around keeping the databases servers synchronized. It is vital to ensure that the databases are kept in sync for data integrity and crash recovery.

    Solution: WebSphere eXtreme ScaleWebSphere eXtreme Scale compliments the database layer to provide a frailty tolerant, highly available and scalable data layer that addresses the growing concern around the data and eventually the business.

  • Scalability is never an IT problem alone. It directly impacts the trade applications and the trade unit that owns the applications.
  • Scalability is treated as a competitive advantage.
  • The applications that are scalable can easily accommodate growth and aid
  • The trade functions in analysis and trade development.

    WebSphere eXtreme Scale provides a set of interconnected java processes that holds the data in memory, thereby acting as shock absorbers to the back discontinuance databases. This not only enabled faster data access, as the data is accessed from memory, but too reduces the stress on database.

    Design Approach:This short paper attempts to serve as checklist and is designed for clients and professional community that expend or are considering to expend WebSphere eXtreme Scale as a elastic, scalable in memory data cache, and who are interested in implementing a highly available and scalable e-business infrastructure using the IBM WebSphere eXtreme Scale (WXS). Through WebSphere eXtreme Scale, customers can postpone or virtually eliminate costs associated with upgrading more expensive, heavily loaded back-end database and transactional systems, while meeting the tall availability and scalability requirements for today's environments. While not an exhaustive list, this paper includes primarily the infrastructure planning requirements of WXS environment.

    This document is broken into two sections:

  • Application Design Discussion: This section is vital and should subsist a considered when discussing application design. The intent of this section is to contend architectural implications of including a WXS grid as a fraction of the application design.
  • Layered Approach to WXS environment performance tuning: This is a recommended approach for WXS implementation. The approach can subsist implemented top to bottom or bottoms-up. They usually recommend a tom-to-bottom approach, simply due to control boundaries around middleware infrastructure.
  • 1. Application Design Discussion:Part of application design and consideration is understanding various WXS components. This is an vital exercise as this provides insights into performance tuning and application design considerations discussed in this section. The thought is to implement a consistent tuning methodology during operations and apply arrogate application design principles during the design of the WXS application. This is an vital distinction, as tuning will not subsist of much assist during operational runtime if the application design is inadequate to achieve scalability. It is therefore much more vital to expend enough time in application design, which will lead to significantly less endeavor in performance tuning. A typical WXS application includes the following components:

    a. WXS Client - The entity that interacts with the WXS server. It is a JVM runtime with ORB communications to the WXS grid containers. Can subsist a JEE application hosted in WAS runtime of standalone IBM JVM.

    b. WXS Grid Server - An entity that stored java objects/data. It is a JVM runtime with ORB communication to the other WXS grid containers. Can subsist hosted in a WAS ND cell or stand solitary interconnected JVMs.

    c. WXS Client loader (optional for bulk pre-load): A client loader which pre-loads the data (can subsist in bulk fashion) into the grid. It is a JVM runtime with ORB communication to WXS grid containers. The client loaders pre-load the data and thrust it to the grid servers, this activity happens at regular intervals.

    d. Back-end database - A persistent data store such as a back discontinuance database including DB2, Oracle etc.

    (Note: please survey general performance Principles for general performance guidelines)

    WXS_Components

    Discussed below are top 10 IMDG application design considerations:

    I. Understand Data Access and Granularity of data model

    a.JDBC

    b.ORM ( JPA,Hibernate etc)

    i.Fetch - Join

    ii.Fetch batch size

    c.EJB ( CMP,BMP, JPA)

     

    II. Understand Transaction management requirements

    a.XA -2PC – repercussion on latency and performance

    b.JMS

    c.Compensation

     

    III. Ascertain stateful vs. Stateless

    a.Stateless – more apt for IMDG

    b.Stateful – determine the degree of situation to subsist maintained.

    IV. Application data design ( data and kick Model) – CTS and De-normalized data

    a. CTS – Constrained Tree Schema: The CTS schemas too don’t absorb references to other root entities. Each customer is independent of sum other customers. The same deportment applies to users. This character of schema lends itself to partitioning. These are applications that expend constrained tree schemas and only execute transactions that expend a single root entity at a time. This means that transactions don’t span a partition and complex protocols such as two-phase entrust are not needed. A one phase or indigenous transaction is enough to travail with a single root entity given it is fully contained within a single transaction.

    b. De-normalized data : The data de-normalization, although done by adding redundant data. WXS (IMDG) competence to advocate ultra tall scalability depends on uniformly partitioning data and spreading the partitions across machines. Developing scalable applications accessing partitioned data demands a paradigm shift in programming discipline. De-normalization of data, creation of application specific and non-generic data models, avoidance of complex transactional protocols dote 2 phase entrust are some of the basic principles of this modern programming methodology.

    V. Distributing Sync kick graphs across grid.

    Synchronizing objects in a grid can results in many RPC calls the grid containers assiduous and repercussion performance and scalability.

    VI. single User Decoupled system

    a.Typically single expend decoupled system are designed with stateless application in mind.

    b.Unlike stateful enterprise systems which may circumscribe scalability due to number of factors such as number of resources, operations, cluster services, data synchronization etc.

    c.Every application system is single function and is usually co-located with the data.

    VII. Invasive vs. Non-Invasive change to IMDG

    a. Test! Test! Test!

    b.Invasive application changes embrace change in data access and data model to lucky IMDG/XTP character scenario. Such changes are expensive, oversight prone and less dote to lucky IMDG solutions in immediate future. In such cases the IMDG adoption will subsist a long term approach

    c.Non-Invasive application includes effortless plug competence into WXS with slight or no code change and such application changes require no change to application data access or data model. These are low hanging fruits and more readily receptive to WXS solutions.

    VIII. Data Partitioning

    a.Data partitioning is a formal process of determining which data or sub set of data are needed to subsist contained in a WXS data partition or shard.

    b.Design with data density in mind

    c.Data Partitioning will assist in planning for growth.

    IX. Data Replication and availability

    a. In synchronous data replication a allocate request from a process will screen sum other processes access to the cache until it successfully replicates the data change to sum other processes that expend the cache. You can view in a term of a database transaction. It will update this process’s cache and propagate the data modification to the other processes in the same unit of work. This would subsist the model mode of operation because it means that sum the processes survey the same data in the cache and no ever gets stale data from the cache. However it’s likely that in a case of a distributed cache, the processes live on different machines connected through a network, the fact that a write request in one process will screen sum other reads from the cache this method may not subsist considered efficient. too sum involved processes must admit the update before the lock is released. Caches are supposititious to subsist snappy and network I/O is not, not to mention prone to failure so maybe not wise to subsist very confident that sum the participants are in sync, unless you absorb some mechanism of failure notification. Advantages : data kept in sync

    Disadvantages : network I/O is not snappy and is prone to failure

    b. In contrary, the asynchronous data replication method does not propagate an update to the other processes in the same transaction. Rather, the replication messages are sent to the other processes at some time after the update of one of the process’s cache. This could subsist implemented for instance as another background thread that periodically wakes and sends the replication messages from a queue to the other processes. This means that an update operation on a process to its local cache will finish very snappy since it will not absorb to screen until it receives an acknowledgment of the update from the other processes. If a peer process is not responding to a replication message, how about retrying later, but in no pass impede or screen the other processes. Advantages : Updates finish not generate long blocks across processes. Simpler to deal with, for instance in case of network failure maybe resend the modification .Disadvantages : Data may not subsist in sync across processes

    X. Cache (grid) pre-load :

    a.Grid pre-load is an essential consideration with trade requirement in mind. The understanding to promenade to WXS or IMDG solution is to absorb the competence to access massive amounts of data which is transparent to discontinuance user application. Grid pre-load strategies become vital.

    b.Server side Pre load : Partition specific load, subject on data model and is complex.

    c.Client side pre-load : Easy, but preload is not as fast, as DB becomes a bottleneck, so this takes longer

    d.Range based multiple clients preload : Multiple clients in different systems finish a ambit based client preload to warm the grid.

     

    WXS Client Interaction

  • Layered approach to Performance Tuning:
  • As discussed earlier this is usually an approach at WXS implementation, the approach can subsist top to bottom or bottoms-up. They usually recommend a top-to-bottom approach, simply due to control boundaries around middleware infrastructure.

    WXS Layered Tuning

    Figure - WXS Layered Tuning approach

    This approach adds structure to the tuning process, it too helps eliminate layers in problem determination process. Applying the ‘top-to-bottom’ approach, enabled the administrators to inspect various tiers involved and methodically isolate the layer(s) liable for performance degradation. Short description of layers is described below:

    I. ObjectGrid.xml file:

    A deployment policy descriptor XML file is passed to an ObjectGrid container server during start-up. This file ( in conjunction with ObjectGrid.xml file) defined the grid policy such as a replication policy ( which has repercussion on grid performance), shard placement etc. It is vital to defined policies that are aligned with trade goals, and to contend the performance and sizing implication during design and planning process.

    II. WebSphere Turning ( if grid servers expend WAS runtime): criterion WAS tuning related to JVM such as GC policy, stack limits apply. vital consideration is to factor in the WAS footprint in estimating overall grid size.

    III. ORB Tuning:

  • The ORB is used by WXS to communicate over a TCP stack. The necessary orb.properties file is in the java/jre/lib directory.
  • The orb.properties file is used to pass the properties used by the ORB to modify the transport deportment of the grid. The following settings are a gracious baseline but not necessarily the best settings for every environment. The descriptions of the settings should subsist understood to assist bear a gracious conclusion on what values are arrogate in your environment. Note that when the orb.properties file is modified in a WebSphere Application Server java/jre/lib directory, the application servers configured under that installation will expend the settings.
  • com.ibm.CORBA.RequestTimeout=30

    com.ibm.CORBA.ConnectTimeout=10

    com.ibm.CORBA.FragmentTimeout=30

    com.ibm.CORBA.ThreadPool.MinimumSize=256

    com.ibm.CORBA.ThreadPool.MaximumSize=256

    com.ibm.CORBA.ThreadPool.IsGrowable=false

    com.ibm.CORBA.ConnectionMultiplicity=1

    com.ibm.CORBA.MinOpenConnections=1024

    com.ibm.CORBA.MaxOpenConnections=1024

    com.ibm.CORBA.ServerSocketQueueDepth=1024

    com.ibm.CORBA.FragmentSize=0

    com.ibm.CORBA.iiop.NoLocalCopies=true

    com.ibm.CORBA.NoLocalInterceptors=true

    Request Timeout

    The com.ibm.CORBA.RequestTimeout property is used to bespeak how many seconds any request should wait for a response before giving up. This property influences the amount of time a client will acquire to failover in the event of a network outage character of failure. Setting this property too low may result in inadvertent timeout of valid requests. So trust should subsist taken when determining a reform value.

    Connect Timeout

    The com.ibm.CORBA.ConnectTimeout property is used to bespeak how many seconds a socket connection attempt should wait before giving up. This property, dote the request timeout, can influence the time a client will acquire to failover in the event of a network outage character of failure. This property should generally subsist set to a smaller value than the request timeout as establishing connections should subsist relatively time constant.

    Fragment Timeout

    The com.ibm.CORBA.FragmentTimeout property is used to bespeak how many seconds a fragment request should wait before giving up. This property is similar to the request timeout in effect.

    Thread Pool Settings

    These properties constrain the thread pool to a specific number of threads. The threads are used by the ORB to spin off the server requests after they are received on the socket. Setting these too minuscule will result in increased socket queue depth and possibly timeouts.

    Connection Multiplicity

    The connection multiplicity controversy allows the ORB to expend multiple connections to any server. In theory this should promote parallelism over the connections. In practice

    ObjectGrid performance does not benefit from setting the connection multiplicity and they finish not currently recommend using this parameter.

    Open Connections

    The ORB keeps a cache of connection established with clients. These connections may subsist purged when the max open connections value is passed. This may occasions destitute deportment in the grid.

    Server Socket Queue Depth The ORB queues incoming connections from clients. If the queue is replete then connections will subsist refused. This may occasions destitute deportment in the grid.

    Fragment Size

    The fragment size property can subsist used to modify the maximum packet size that the ORB will expend when sending a request. If a request is larger than the fragment size circumscribe then that request will subsist chunked into request “fragments” each of which is sent separately and reassembled on the server. This is helpful on unreliable networks where packets may exigency to subsist resent but on trustworthy networks this may just occasions overhead.

    No Local Copies The ORB uses pass by value invocation by default. This causes extra garbage and serialization costs to the path when an interface is invoked locally. Setting the com.ibm.CORBA.NoLocalCopies=true causes the ORB to expend pass by reference which is more efficient.

    No Local InterceptorsThe ORB will invoke request interceptors even when making local requests (intra-process). The interceptors that WXS uses are not required in this case so these calls are unnecessary overhead. By setting the no local interceptors this path is more efficient.

    I. JVM Tuning:

  • GC Tuning : resolve for optimum GC policy generational GC vs. Optthruput vs. optavgpause.
  • 32 bit vs 64 bit :
  • Considerations:

    1. IBM Java 6 SDK that was shipped with WAS V7 (and the most recent Sun Java 6 SDK that was shipped with fixpack 9 for V7) provide compressed references which significantly dwindle the memory footprint overhead of 64-bit but don't eliminate it

    2. There is not arduous requirement for DMGR to subsist on 64bit when sum of the Nodes/App servers are in 64 bit mode, but they strongly recommend ensuring that DMGR and nodes in a cell are sum at same level. So if you choose to hold your grid at 64 bit level, please hold the DMGR too at the same level.

    3. Depending on the OS 32-bit address spaces allow for heaps of ~1.8 GB to 3.2 GB as shown below

    Bottom line, a comparison of 32-bit versus 64-bit is rather straightforward

    a) 64-bit without compressed references takes significantly more physical memory than 32-bit

    b) 64-bit with compressed references takes more physical memory than 32-bit

    c) 64-bit performs slower 32-bit unless an application is computationally intensive which allows it to leverage 64-bit registers or a large stack allows one to avoid out of process calls for data access

    d) JDK Compressed Reference: In WAS V7.0 they interject compressed reference (CR) technology.  CR technology allows WAS 64-bit to arrogate large heaps without the memory footprint growth and performance overhead.  Using CR technology instances can arrogate stack sizes up to 28GB with similar physical memory consumption as an equivalent 32-bit deployment (btw, I am seeing more and more applications that drop into this category -- only "slightly larger" than the 32-bit OS process limit).  For applications with larger memory requirements, replete 64-bit addressing will kick in as needed.   The CR technology allows your applications to expend just enough memory and absorb maximum performance, no matter where along the 32-bit/64-bit address space spectrum your application falls

    Memory Table

    Figure - JVM stack memory table

  • Threads : survey ORB thread pool properties.
  • ORB tuning : survey ORB Tuning
  •  

    I. Operating System ( including network) Tuning:

    (Note: Tuning options for different operating systems may differ, concept remains the same)

    Network tuning can reduce Transmission Control Protocol (TCP) stack detain by changing connection settings and can help throughput by changing TCP buffers.

    1. instance of AIX tuning:

    a. TCP_KEEPINTVL

    The TCP_KEEPINTVL setting is fraction of a socket keep-alive protocol that enables detection of network outage. It specifies the interval between packets that are sent to validate the connection. The recommended setting is 10.

    To check the current setting

    # no –o tcp_keepintvl

    To change the current setting # no –o tcp_keepintvl=10

    b. TCP_KEEPINIT

    The TCP_KEEPINIT setting is fraction of a socket keep-alive protocol that enables detection of network outage. It specifies the initial timeout value for TCP connection. The recommended setting is 40.

    To check the current setting # no –o tcp_keepinit

    To change the current setting # no –o tcp_keepinit=40

    c. Various TCP buffers such as : Network has a huge repercussion on performance it s hence vital to ensure that the OS specific properties are optimized :

    i. tcp_sendspace

    ii. tcp_recvspace

    iii. route and recv buffers

    General performance Principles to subsist vigilant of:

  • Multi-JVM / Multi Thread - Pre-load
  • Multiple Thread to query DB
  • One thread defined record ambit from DB
  • Implement thread pool – client loader side thread pool.
  • Agent required (grid agent) for client pre-loader. – This agent communicated with the client loader for pre-load ONLY.
  • client preload

    (Figure: Agent communication with client loader –pre-load)

  • Query – Loader to DB
  • One-to-many relationship – Lazy
  • Many-to-Many – Eager
  • Operational ‘churn’
  • Impact of Teardown
  • Impact of abrupt shutdown
  •  

  • For complex kick graphs
  • NO JPA or JDBC loader
  • Use custom loader
  • Client load the data i.e pre-load the data into the grid and then grid operations is trade as usual.
  • After pre-load ( client based), the update to database is done by backing maps and loader plug-in.
  •  

  • Consider Database tuning such as a DB buffer pools and RAMDisk
  • Instrumental in preload performance is database is tuned.
  • Consider Indexing – Index and Populate.
  •  

  • CPU – memory and stack Consumption
  • Consider number of threads, more number of threads higher the CPU consumption ( generally)
  • When using multiple threads for client loaders, depending on number of records retrieved per thread, reckon stack size of the client loader JVMs. Tune the threads per JVM accordingly. This is when you reckon multi JVM multi threads option.
  •  

  • The client loaders pre-load the data and thrust it to the grid servers, this activity happens at regular intervals, so they can expect to survey a CPU spike ( due to network traffic and serialization) and gradual enlarge in JVM heap. The JVM stack will eventually flush off as grid becomes stable.
  •  

  • WXS Maintenance related issues:
  • i. GC takes too long:

    1.can occasions tall CPU consumption

    2.Marking JVM down, causing shard churn i.e replica to primary conversion and subsequent replica serialization – expensive process.

    ii. Replication traffic :

    1.shard churn i.e replica to primary conversion and subsequent replica serialization – expensive process.

    2.Evaluate replication policy in objectgriddeployment.xml file. Or tune HA manager heartbeat and HA detection.

    iii. CPU Starvation.:

    1.Cause marking JVM/Host un-reachable triggering tall availability mechanism.

    2.Marking JVM down, causing shard churn i.e replica to primary conversion and subsequent replica serialization – expensive process.

    3.Excessive GC often a culprit occasions extravagant shard churn.

     

    Conclusion:

    If Application design is faulty, then no amount of tuning will help. Hence recommendation to expend more time in design. Spending more time in planning your application design and infrastructure topology will not only lay the foundation for a more resilient infrastructure, but too enable application to secure the most out of the elastic and scaleable infrastructure enabled by WebSphere eXtreme Scale.

     


    What Is BizTalk Server? | killexams.com existent questions and Pass4sure dumps

    If you wanted to define BizTalk Server to a technology guy, the acknowledge would be:

    BizTalk Server is a middleware product from Microsoft that helps connect various systems together.

    Let's acquire an example: If you contemplate at any modern organization, it is probably running its operations using a variety of software products. SAP for their ERP needs, Salesforce for their CRM needs, Oracle for their Database needs, plus tons of other homegrown systems dote HR, Finance, Web, Mobile, etc.

    At one point in time, these systems needed to talk to each other, for example, customer data that's residing in your SAP system may subsist required in your CRM system (Salesforce). In a similar way, the contact details you collected from your company website exigency to retract into a few backend systems dote CRM, ERP, Marketing, etc.

    This trade exigency can subsist addressed in a layman pass by allowing each system to talk to sum subject underlying systems. From their example, the web will absorb a piece of code that will update contact details in CRM, ERP, Marketing systems, etc. (similar to the pass each system will absorb their own implementation to update apposite systems). If you retract down this route you will discontinuance up with two major issues: one that creates a spaghetti of connections/dependencies between various systems, and another that, whenever a minuscule change is required, you exigency to finger multiple systems. There are various other challenges, dote understanding the interfaces of sum the underlying systems, transport protocol, data formats, etc.

    Products dote BizTalk server (there are other vendors dote Tibco, MuleSoft, IBM Websphere, Message Broker) solves this middleman character problem.

    When you expend BizTalk Server, sum the systems talk to only one central system, i.e BizTalk server, and it's the responsibility of BizTalk to deliver the message to the corresponding underlying system. It takes trust of the various challenges I highlighted earlier.

    In a real-world example, imagine a BizTalk server as a postman delivering letters. It's impossible for sum of us to retract and deliver letters to each address, hence they acquire it to the post office and they acquire trust of delivering it.

    If you contemplate at BizTalk from a bird's eye view, you could survey that it's a middleware. A middleman who works as a communicator between two businesses, systems, and/or applications. You can create many diagrams on the internet that illustrate this process it as a middleman or tunnel that is used by two willing systems to exchange their data.

    If you want to contemplate at it from a more technical standpoint, then you can converse it is an integration and/or transformation tool. With its robust and highly managed framework, BizTalk has the infrastructure to provide a communication channel with the capability to provide the desired data molding and transformation. In organizations, data exchange with accuracy and minimum endeavor is the desired goal. Here BizTalk plays a vital role and provides services to exchange data in the configuration that your applications can understand. It makes applications transparent to each other and allows them to route and receive information, regardless of what benign of candidate exists for the information.

    If you retract deeper, you will find a messaging engine based on SOA. To bear BizTalk work, Microsoft used XML. People converse BizTalk only understands XML. Not true, you can too route binary files through BizTalk. But when you want functionality, logging, trade rules, etc., then you can only play in XML. BizTalk has an SOA (Services Oriented Architecture) and many types of adapters are available to interact with different kinds of systems and can subsist changed and configured at the administrative level.

    Next, I'd dote to talk about Message Box. acquire a contemplate at the following image:

    Four major components can subsist seen.

    While it might seem obvious, the receive port is where they receive requests and the route port is where they route requests. But, what are the message box and orchestration bits? 

    First, let's talk about the execution flow. The message reaches the receive port through an adapter they configured and it reaches the receive port as they configure its receiver's location and adapter. Then it goes through the pipeline toward the message box. From the message box, the message is sent to it's subscribed port. Note that this message can subsist sent to more than one port. The message is published in the message box to sum recipients. As the port is identified, the message is sent to the port's orchestration mechanism and then is, again, sent back to the message box. It is then sent to the port's map and pipeline. Finally, the adapter sends the message where it should go. Maps are optional, according to your need. The pipeline is compulsory, but few built-in pipelines are available and you can expend them if you finish not want to finish anything in pipelines.

    The message box is simply a SQL Server Database. Here they define the message arrive should subsist sent to which port. The message arrived with the unique signature; they summon it the message namespace. This namespace should subsist unique in the subscription. It helps BizTalk to route messages to the reform location. There is the other character of subscription message and too untyped messages that are routed on the basis of data that accommodate but those are beyond the scope of this overview.

    The receive location is further extended into the receive location, pipeline, and maps. The receive port execution is done in such a manner, the first adapter then pipelines, and then port. The receive location is here as a divorce artifact. The configuration of the receive location is vital to initiate the service. Here, they define what adapter will subsist used to secure a message. Further, they can interject a pipeline here. The pipeline is used to effect any operations prior to sending the message to the message box. Normally, they would disassemble any file.

    Then the inbound maps are faced, and they can here map the operation. BizTalk Mapper is a implement that ships with a BizTalk Server with a vast variety of mapping operations.

    Orchestration is an implementation of your trade logic. Microsoft provides a BizTalk template that will install in Visual Studio that has a GUI interface for orchestration, mapping, and other components.

    Messages are sent to orchestration on the basis of subscriptions and then again to the Message Box to acquire note of the changes made during orchestration, and, finally, to the route port. At the route port, they too absorb a map, pipeline, and adapter to effect any changes at the sending end. This execution occurs in reverse order as compared to the receive port.

    This is the execution of any message through BizTalk.



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    Certification-Board [10 Certification Exam(s) ]
    Certiport [3 Certification Exam(s) ]
    CheckPoint [41 Certification Exam(s) ]
    CIDQ [1 Certification Exam(s) ]
    CIPS [4 Certification Exam(s) ]
    Cisco [318 Certification Exam(s) ]
    Citrix [48 Certification Exam(s) ]
    CIW [18 Certification Exam(s) ]
    Cloudera [10 Certification Exam(s) ]
    Cognos [19 Certification Exam(s) ]
    College-Board [2 Certification Exam(s) ]
    CompTIA [76 Certification Exam(s) ]
    ComputerAssociates [6 Certification Exam(s) ]
    Consultant [2 Certification Exam(s) ]
    Counselor [4 Certification Exam(s) ]
    CPP-Institue [2 Certification Exam(s) ]
    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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