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Code d'Examen: A2090-552
Nom d'Examen: IBM (IBM Optim Implementation for Distributed Systems (2009))
Questions et réponses: 129 Q&As
Code d'Examen: A2040-920
Nom d'Examen: IBM (Assessment: IBM WebSphere Portal 7.0 Deployment and Administration)
Questions et réponses: 112 Q&As
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NO.1 Which one of the following statements is NOT true regarding Multiple Profiles?
A. Multiple profiles share the program files (binaries)
B. Each portal profile maintains its own independent configuration
C. ConfigEngine commands must be performed at the master configuration in order to
propagate
changes across all virtual profiles
D. All virtual profiles must be taken down when performing maintenance on the Portal
installation
Answer: C
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NO.2 Ronnie is designing a WebSphere Portal environment for her company in which
multiple
organizations within the company want to provide different portal environments to distinct
user groups.
What feature of WebSphere Portal should she use to meet this need?
A. Virtual portals with separate user realms and administrators to minimize hardware costs
and
configuration efforts
B. Multiple clusters in the same cell to avoid duplicate portal installations
C. Multiple portal installations on the same hardware using server virtualization to reduce
hardware costs
D. Shared portals to avoid duplicate effort between each portal
Answer: A
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NO.3 Bill wants to set up a WebSphere Portal farm with four server instances. Which of the
following
statements regarding portal farms is true?
A. All four server instances that become a part of portal farm can be installed on different
operating systems.
B. Session persistence is enabled by default on all four server instances..
C. All the server instances need to be configured such that they have an identical security
configuration and user repository, such as LDAP.
D. Portal and content caches across all four server instances are replicated seamlessly.
Answer: C
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NO.4 Don is designing a highly available, secure, high traffic public website for his company.
If he wants to
use WebSphere Portal, what components should he consider?
A. Dynamic cache and a stand-alone portal server with disaster recovery
B. An authentication and authorization solution, a load balancing solution, a portal cluster
with HTTP
servers handling static content, and
clustered LDAP servers and database servers
C. A portal cluster, step-up authentication, and network-attached storage devices
D. An authentication and authorization solution, a business process engine, and a portal
cluster
Answer: B
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NO.5 Sunil is designing a portal cluster for production. If he is using a 32-bit version of
WebSphere Portal
and has several multiprocessor servers with 16 GB of memory. What type of cluster
configuration should
he use?
A. A vertical cluster, because it ensures minimal latency between cluster members
B. A horizontal cluster, because it provides fault tolerance
C. A combination of vertical and horizontal clusters to gain the benefits of both configuration
types
D. A multiproduction cluster because it meets both high availability and high performance
criteria
Answer: C
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NO.6 Which of the following best describes the difference between horizontal and vertical
clustering?
A. Vertical clustering allows for users to authenticate against multiple LDAP sources;
horizontal clustering
allows multiple servers to act as one
server.
B. Horizontal clustering replicates the back-end database in real-time; vertical clustering
takes advantage
of multiple WebSphere servers as a
single cell.
C. Vertical clustering takes full advantage of the resources of a multiprocessor system;
horizontal
clustering provides fault-tolerance and
scalability by adding additional servers.
D. Horizontal clustering allows multiple HTTP servers to serve in a failover scenario; vertical
clustering
allows Portal servers to combine processor
and memory into one server.
Answer: C
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NO.7 Jim wants to enable the dynamic cache of output from portlet JSPs for different
windows and portlet
states. What does he need to do?
A. He needs to enable Servlet Caching using the Deployment Manager Administrative
Console.
B. He needs to enable Portlet Fragment Caching using the Deployment Manager
Administrative Console.
C. He needs to enable Portlet Fragment Caching using the portal administrative portlets.
D. He needs to enable Servlet Caching and the Portlet Fragment Caching in the
administrative console
for the application server.
Answer: D
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NO.8 Jeremy has connected his WebSphere Portal instance to an IBM Tivoli Directory
Server repository for
authentication purposes. However, while the majority of users are able to authenticate,
certain users are
not able to. Jeremy confirmed that the users are attempting to authenticate with the correct
user ID and
password. What is the most likely cause of this issue?
A. The users should log in with an email address instead of a user ID.
B. The location of the accounts in the LDAP tree is outside the scope of where WebSphere
Portal looks
for accounts.
C. The accounts are not members of the All Authenticated Portal Users group.
D. The LDAP bind password is configured incorrectly.
Answer: B
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