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


1. 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 .
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

2. In WebSphere Application Server V6, a logging infrastructure that extends Java Logging is used. Which of the following contains the BEST subset of logging levels that a system administrator can use to log only errors?
A. Severe, fatal
B. All, finest, finer, fine, severe, fatal
C. All, debug, entryExit, info, warning, fatal
D. All, debug, entryExit, info, warning, error, fatal
Answer: A

3. Where in the administrative console can the log detail levels be changed?
A. Troubleshooting -> Logs and Trace
B. System administration -> Console settings -> Preferences
C. Environment -> WebSphere Variables
D. System administration -> Console settings -> Logging
Answer: A

4. A system administrator is creating a new cluster. The servers in the cluster will need several configuration steps to support the applications. Which of the following ways is MOST efficient to create and configure the cluster members?
A. Create and properly configure a server then add this server as the first member of the cluster.
B. Create and properly configure a standalone server then add this server as the last member of the cluster.
C. Create the cluster and add all the cluster members, then make configuration changes at the cluster scope.
D. Create the cluster and add all the cluster members, then set the configuration in any of the clustered servers.
Answer: A

5. 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

6. The log files reveal naming exceptions after a system administrator has just created a new datasource. What tool would the system administrator use to verify that the datasource is correctly registered in the JNDI namespace?
A. dumpJNDINameSpace
B. dumpNameSpace
C. dumpJNDICache
D. showNameSpace
Answer: B

7. There are multiple property files which control the behavior of the FFDC filter. All of the following are FFDC property files EXCEPT:
A. ffdcStart.properties - used while the server is starting
B. ffdcRun.properties - used after the server is ready
C. ffdcException.properties - used whenever an exception occurs
D. ffdcStop.properties - used while the server is in the process of stopping
Answer: C

8. 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

9. A system administrator is asked to diagnose a problem on a remote node using the Log Analyzer. In order to accomplish this task, what is the name of the Log Analyzer source log file that the system administrator will have to access?
A. service.log
B. activity.log
C. loganalyzer.log
D. trace.log
Answer: B

10. 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

11. 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

12. A system administrator wants to share system information like Workload Management among core groups. Which of the following statements is valid in this context?
A. Core groups in same or different cells use the service integration bus to share Workload Management information.
B. Core groups can overlap by including common servers and the common servers are used to share Workload Management information.
C. Core groups in different cells can only use the core group bridge service to share Workload Management information.
D. Core groups use the core group bridge service to share Workload Management information.
Answer: D

13. Sometimes it is required to force an application to create a thread dump (or javacore). Which of the following processes would be used to force a thread dump?
A. Using the wsadmin command prompt, get a handle to the problem application server: -------------------------------------------------------------------------------------------------------------- wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*] Generate the thread dump: ------------------------------------ wsadmin>$AdminControl invoke $jvm dumpAllThreads Look for an output file in the installation root directory with a name like javacore.date.time.id.txt.
B. Using the wsadmin command prompt, get a handle to the problem application server: -------------------------------------------------------------------------------------------------------------- wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*] Generate the thread dump: ------------------------------------- wsadmin>$AdminControl invoke $jvm dumpAppServerThreads Look for an output file in the installation root directory with a name like javacore.date.time.id.txt.
C. Using the wsadmin command prompt, get a handle to the problem application server: --------------------------------------------------------------------------------------------- Look for an output file in the installation root directory with a name like javacore.date.time.id.txt.
D. Using the wsadmin command prompt, get a handle to the problem application server:
E. Using the wsadmin command prompt, get a handle to the problem application server: javacore.date.time.id.txt.
F. Using the wsadmin command prompt, get a handle to the problem application server: --------------------------------------------------------------------------------------------- wsadmin>set jvm [$AdminControl completeObjectName --------------------------------------------------------------------------------------------- wsadmin>set jvm [$AdminControl completeObjectName javacore.date.time.id.txt.
G. Using the wsadmin command prompt, get a handle to the problem application server: --------------------------------------------------------------------------------------------- wsadmin>set jvm [$AdminControl completeObjectName
H. Using the wsadmin command prompt, get a handle to the problem application server: --------------------------------------------------------------------------------------------- wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*]
I. Using the wsadmin command prompt, get a handle to the problem application server: --------------------------------------------------------------------------------------------- wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*] --------------------------------------------------------------------------------------------- wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*] Generate the thread dump: --------------------------------------------------------------------------------------------- wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*] Generate the thread dump: wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*] Generate the thread dump: ------------------------------------ wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*] Generate the thread dump: ------------------------------------ wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*] Generate the thread dump: ------------------------------------ wsadmin>$AdminControl invoke $jvm dumpJVMThreads. type=JVM,process=server1,*] Generate the thread dump: ------------------------------------ wsadmin>$AdminControl invoke $jvm dumpJVMThreads. type=JVM,process=server1,*] Generate the thread dump: ------------------------------------ wsadmin>$AdminControl invoke $jvm dumpJVMThreads. Generate the thread dump: ------------------------------------ wsadmin>$AdminControl invoke $jvm dumpJVMThreads. Look for an output file in the installation root directory with a name like Generate the thread dump: ------------------------------------ wsadmin>$AdminControl invoke $jvm dumpJVMThreads. Look for an output file in the installation root directory with a name like ------------------------------------ wsadmin>$AdminControl invoke $jvm dumpJVMThreads. Look for an output file in the installation root directory with a name like javacore.date.time.id.txt. ------------------------------------ wsadmin>$AdminControl invoke $jvm dumpJVMThreads. Look for an output file in the installation root directory with a name like javacore.date.time.id.txt. wsadmin>$AdminControl invoke $jvm dumpJVMThreads. Look for an output file in the installation root directory with a name like javacore.date.time.id.txt.
J. Using the wsadmin command prompt, get a handle to the problem application server: wsadmin>$AdminControl invoke $jvm dumpJVMThreads. Look for an output file in the installation root directory with a name like javacore.date.time.id.txt.
K. Using the wsadmin command prompt, get a handle to the problem application server: Look for an output file in the installation root directory with a name like javacore.date.time.id.txt.
L. Using the wsadmin command prompt, get a handle to the problem application server: ------------------------------------------------------------------------------------------------ Look for an output file in the installation root directory with a name like javacore.date.time.id.txt.
M. Using the wsadmin command prompt, get a handle to the problem application server: ------------------------------------------------------------------------------------------------ javacore.date.time.id.txt.
N. Using the wsadmin command prompt, get a handle to the problem application server: ------------------------------------------------------------------------------------------------ wsadmin>set jvm [$AdminControl completeObjectName javacore.date.time.id.txt.
O. Using the wsadmin command prompt, get a handle to the problem application server: ------------------------------------------------------------------------------------------------ wsadmin>set jvm [$AdminControl completeObjectName
P. Using the wsadmin command prompt, get a handle to the problem application server: ------------------------------------------------------------------------------------------------ wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*]
Q. Using the wsadmin command prompt, get a handle to the problem application server: ------------------------------------------------------------------------------------------------ wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*] ------------------------------------------------------------------------------------------------ wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*] Generate the thread dump: ------------------------------------------------------------------------------------------------ wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*] Generate the thread dump: wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*] Generate the thread dump: ------------------------------------ wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*] Generate the thread dump: ------------------------------------ type=JVM,process=server1,*] Generate the thread dump: ------------------------------------ wsadmin>$AdminControl invoke $jvm dumpThreads type=JVM,process=server1,*] Generate the thread dump: ------------------------------------ wsadmin>$AdminControl invoke $jvm dumpThreads Generate the thread dump: ------------------------------------ wsadmin>$AdminControl invoke $jvm dumpThreads Look for an output file in the installation root directory with a name like Generate the thread dump: ------------------------------------ wsadmin>$AdminControl invoke $jvm dumpThreads Look for an output file in the installation root directory with a name like ------------------------------------ wsadmin>$AdminControl invoke $jvm dumpThreads Look for an output file in the installation root directory with a name like javacore.date.time.id.txt. ------------------------------------ wsadmin>$AdminControl invoke $jvm dumpThreads Look for an output file in the installation root directory with a name like javacore.date.time.id.txt. wsadmin>$AdminControl invoke $jvm dumpThreads Look for an output file in the installation root directory with a name like javacore.date.time.id.txt. wsadmin>$AdminControl invoke $jvm dumpThreads Look for an output file in the installation root directory with a name like javacore.date.time.id.txt.
Answer: JKLMNOPQ

14. A system administrator is asked how best to suppress System.out or System.err messages from the customer's application. Which of the following actions should the system administrator recommend to the customer?
A. Convert their logging to use Log4J.
B. Use the Common Base Event API and the Java Logging API.
C. Use JRas to log messages.
D. Click Troubleshooting > Logs and Trace >server name > JVM Logs and change the Installed Application Output parameter from the Admin Console.
Answer: D