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C9510-317 Real Exam Questions

IBM WebSphere Application Server Network Deployment V8.0 Core Administration

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Question 1 Single choice

An application is deployed to a WebSphere Application Server ND V8.0 cluster consisting of four cluster members.

Assuming the cluster is stopped, what should a system administrator do to delete the cluster?

  1. A

    Delete the cluster.

  2. B

    Remove the cluster members and delete the cluster.

  3. C

    Uninstall the application and delete the cluster.

  4. D

    Uninstall the application, remove the cluster members and delete the cluster.

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Correct answer: A

Question 2 Single choice

The system administrator needs to generate a report of data sources for a WebSphere cell. To do so, the administrator should:

  1. A

    parse the genVersionReport to list data sources.

  2. B

    configure a monitored directory to capture this data.

  3. C

    create a script by using the JDBC query scripts as examples.

  4. D

    use the Integrated Solutions Console (ISC) to generate a data source report.

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Correct answer: C

Question 3 Single choice

Performance issues have caused several high profile outages in a WebSphere Application Server Network Deployment V8.0 environment. The application developer has isolated the problem to one specific application. To assist with the problem diagnosis a system administrator has been asked to enable the highest level of WebSphere tracing available.

How should the system administrator accomplish this? Enable tracing and set the level to:

  1. A

    *

  2. B

    all

  3. C

    finest

  4. D

    debug

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Correct answer: B

Question 4 Single choice

A system administrator needs to use wsadmin to execute commands interactively. The WebSphere cell has global security enabled. To avoid the security login dialog when executing wsadmin, the administrator should:

  1. A

    edit the sas.client.props file.

  2. B

    edit the wsadmin.properties file.

  3. C

    use the argument -user <current_user>.

  4. D

    login in to the local operating system (local OS) with an administrator user id.

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Correct answer: A

Question 5 Single choice

While monitoring a JDBC data source's performance during a test load, a system administrator notices that there are a large number of prepared statements discarded from the cache.

In order to improve application throughput, how should the administrator tune the data source?

  1. A

    Increase the size of the prepared statement cache until there are no statement discards under load.

  2. B

    Increase the maximum connection pool size and keep the prepared statement cache at its default size.

  3. C

    Set the connection pool purge policy to "EntirePool" and increase the maximum connection pool size.

  4. D

    Set the minimum connection pool size equal to the maximum connection pool size and keep the prepared statement cache at its default size.

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Correct answer: A

Question 6 Single choice

A system administrator is tuning a WebSphere Application Server system for optimal performance, based on advice obtained from the Performance and Diagnostic advisor.

What setting should the administrator configure to ensure accurate advice for the specific configuration of the system?

  1. A

    Specify the process ID of the server

  2. B

    Specify the number of processors on the server

  3. C

    Enable tracing on the server

  4. D

    Enable High Performance Extensible Logging (HPEL) logging

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Correct answer: B

Question 7 Single choice

A system administrator needs to modify the plug-in configuration file.

Which utility should the administrator use?

  1. A

    GenPluginCfg script

  2. B

    IBM Installation Manager

  3. C

    WebSphere Customization Toolbox (WCT)

  4. D

    Embedded WebSphere Customization Toolbox (WCT)

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Correct answer: C

Question 8 Single choice

An application server is configured with the default garbage collection (GC) policy. An administrator needs to load test different GC policies.

How can the administrator change the server's GC policy?

  1. A

    Start the node agent from the command line using the -Xgcpolicy option, and specify the server name.

  2. B

    Start the administrative agent from the command line using the -Xgcpolicy option and specify the server name.

  3. C

    Use Integrated Solutions Console (ISC) to navigate to the server's JVM configuration and add an appropriate -Xgcpolicy setting.

  4. D

    Use Integrated Solutions Console (ISC) to navigate to the deployment manager's JVM configuration and add an appropriate -Xgcpolicy setting.

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Correct answer: C

Question 9 Single choice

A system administrator has made changes at the cell scope in the Integrated Solutions Console (ISC) of the deployment manager and needs to trace the propagation of the configuration change.

Where should the administrator expect these changes to be persisted?

  1. A

    master repository, node repository

  2. B

    master repository, node agent, node repository

  3. C

    deployment manager, node agent, server repository

  4. D

    deployment manager, node agent, configuration database

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Correct answer: A

Question 10 Single choice

An administrator needs to monitor the frequency of garbage collection (GC) cycles that are triggered when a typical client load is run against the server.

How should the administrator monitor the frequency of garbage collections?

  1. A

    Use the Log Analyzer to view the verbose GC logs.

  2. B

    Use the HPEL Log Viewer and look for System.gc() calls.

  3. C

    Use the Tivoli Performance Viewer (TPV) and select the JVM Runtime.

  4. D

    Run the performance servlet to gather the verbose GC data.

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Correct answer: C