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Exam : IBM 000-252
Title : Test 252,IBM Websphere Apervr v6 Netwrk Deplovment.core Admin


1. A proposed WebSphere cell contains about 25 nodes. The environment will be horizontally and vertically scaled and can potentially grow over time. What strategy for HTTP Session persistence would work BEST for this situation?
A. Database session persistence
B. Memory-to-Memory replication in a peer-to-peer topology
C. Local sessions
D. Peer-to-Peer session persistence
Answer: A

2. A customer has an application running on WebSphere Application Server. When a user logs on, the application retrieves the relevant Product code information from the database and stores it in a HashMap. A reference to the HashMap is then stored in the HTTP Session object. Which of the following should be recommended as a means for improving HTTP Session persistence performance?
A. Use memory-to-memory replication
B. Use peer-to-peer topology
C. Use database persistence
D. Declare the reference to the HashMap as transient
Answer: D

3. A system administrator wants to ensure that nodes with different hardware resources participate in a cluster as efficiently as possible. Which of the following should be used to BEST meet this goal?
A. A load balancer to evenly distribute requests to cluster members
B. A fine grain application update with capabilities to tune cluster member applications to the hardware
C. Weighted definitions for cluster members
D. Identical application components for all cluster members
Answer: C

4. When using the addNode command to federate a node to a cell, it may be necessary to know the Deployment Manager's SOAP connection port. What is the BEST way to locate this port?
A. Navigate to the profiles directory of the WebSphere Application Server installation root directory, and issuing the wsadmin $AdminConfig getPort command.
B. Navigate to the bin directory of the node to be federated and issuing the following command ivt.bat server1 <node>.
C. Examine the serverindex.xml file corresponding to the Deployment Manager's node.
D. Examine the responsefile.pct file in the WebSphere Application Server installation root directory.
Answer: C

5. A system administrator is configuring application servers for using the Data Replication Service in a WebSphere Application Server V6 cluster environment. Which of the following replication modes are available?
A. Client Only, Server Only, Both Client and Server
B. Cluster Only, Both Client and Cluster
C. Cluster Only, Both Cluster and Server
D. Cluster Only, Node Only, Both Cluster and Node
Answer: A

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