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IBM WebSphere Application Server Network Deployment V9.0 Core Administration

Question No: 41

What does the following JVM argument do?

-Xverbosegclog:${SERVER_LOG_ROOT}/verbose.m%d.7/18/16M%S.%pid.txt,20,10000

  1. It changes the default values for verbosegc logging.

  2. It changes the default location of the verbosegc logging.

  3. It configured verbosegc logging once it has already been enabled.

  4. It sets the default value for enabling and configuring verbosegc logging.

Answer: B Explanation:

-Xverbosegclog[: lt;filegt; [,lt;Xgt;,lt;Ygt;]]

Causes -verbose:gc output to be written to the specified file.

If it cannot create the file (for example, if an invalid filename is passed into the command), it will redirect the output to stderr.

If you specify lt;Xgt;and lt;Ygt; the -verbose:gc output is redirected to lt;Xgt; files, each containing lt;Ygt; GC cycles.

The dump agent tokens can be used in the filename. See Dump agent tokens for more information. If you do not specify lt;filegt;, verbosegc.%Y%m%d.%H%M%S.%pid.txt is used. example: -Xverbosegclog:newgclogname.log,7,10000

References:http://www-01.ibm.com/support/docview.wss?uid=swg21384096

Question No: 42

What can an administrator use to remotely manage multiple stand-alone (unfederated) application servers?

  1. Job Manager

  2. Administrative agent

  3. Deployment manager

  4. remoteServer.jaclscript

Answer: A Explanation:

Administering nodes remotely using the job manager

In a flexible management environment, you can asynchronouslysubmit and administer jobs for large numbers of stand-alone application servers, deployment managers, and host computers over a geographically dispersed area. At the remote machines, you can use jobs to manage applications, modify the product configuration, or do general purpose tasks such as run a script.

References:https://www.ibm.com/support/knowledgecenter/en/SSAW57_8.5.5/com.ibm.we bsphere.nd.doc/ae/tagt_jobmgr.html

Question No: 43

Which is true about software repositories for IBM Installation Manager?

  1. Repositories must be local.

  2. Repositories must be online.

  3. Repositories can be either local or online.

  4. Repositories are only in the media package.

Answer: C Explanation:

IBM Installation Manager is a single installation program that can use remote or local software repositories to install,modify, or update certain IBM products. It determines and shows available packages, checks prerequisites and interdependencies, and installs or modifies the selected packages. You also use IBM Installation Manager to uninstall the packages that it installed.

References:http://www-01.ibm.com/support/docview.wss?uid=swg24023498

Question No: 44

When setting up high availability settings for the web server, at what level should an administrator configure the custom properties?

  1. cell

  2. node

  3. server

  4. nodeagent

Answer: C Explanation:

References:https://www.ibm.com/support/knowledgecenter/en/SSAW57_8.5.5/com.ibm.we bsphere.nd.multiplatform.doc/ae/xrun_jvm.html

Question No: 45

An administrator installs IBM WebSphere Application Server and an HTTP server, but when configuring the environment, the administrator finds that the WebSphere Plug-in is missing.

Which tool can be used to fix this issue?

  1. Customization Tool Box

  2. IBM Installation Manager

  3. Profile Management Tool

  4. Integrated Solutions Console

Answer: D Explanation:

In the WebSphere Integrated Solutions Console, the web server is represented as a specific server type, and you can view or modify all of the configuration properties used in the plugin-cfg.xml file for the web server plug-in from the WebSphere Integrated Solutions Console.

References:https://www.ibm.com/support/knowledgecenter/en/SSHRKX_8.0.0/plan/plan_ih s.html

Question No: 46

What are two differences between dynamic clusters and static clusters? (Select two.)

  1. Dynamic Workload Management is enabled by default in dynamic clusters.

  2. The application placement controller can start and stop a dynamic cluster that is in automatic mode only.

  3. Using the autonomic request flow manager (ARFM) in manual mode will not affect dynamic cluster mode.

  4. Using static clusters in an Intelligent Management enabled environment will acquire some of a dynamic cluster features.

  5. When creating a static cluster using an application server template, any changes made to the template after creating the instances do not change the instances.

Answer: A,E Explanation:

A:The dynamic workload manager is enabled by default and assigns weights to the application server instances.

E: When you define a static cluster, you can select an application server template on which to base all the application server instances that you create. However, any changes that you make to the template after creating the instances do not change the instances.

References:https://www.ibm.com/support/knowledgecenter/en/SSUP64_7.0.0/com.ibm.we bsphere.virtualenterprise.doc/odoe_task/rodrcompareclusters.html

Question No: 47

An administrator wants to verify an IBM WebSphere Application Server installation by examining the installation’s directory structure. In this example,

lt;WAS_installation_directorygt; indicates the installation’s root directory.

What is one directory tree structure that indicates a successful installation of the product files?

  1. lt;WAS_installation_directorygt;/web

  2. lt;WAS_installation_directorygt;/bin

  3. lt;WAS_installation_directorygt;/profiles

  4. lt;WAS_installation_directorygt;/installableApps

Answer: C Explanation:

WebSphere Application Server Version 8.5.5 for Network Deployment:

/QIBM/UserData/WebSphere/AppServer/V85/ND/profiles/wp_profile/PortalServer

References:https://www.ibm.com/support/knowledgecenter/en/SSYJ99_8.5.0/reference/wp sdirstr.html

Question No: 48

Which of the following is true regarding disk offload?

  1. The amount of disk space to use cannot be specified.

  2. On server startup, DynaCache loads the entire disk cache into memory.

  3. The number of cache entries that are offloaded to disk cannot be specified.

  4. Disk offload can be enabled to have a cache entry copied to the file system at a configurable location.

Answer: A,C,D Explanation:

AC:Before you enable disk offload, consider the following:

You cannot specify the number of cache entries that are offloaded to disk. You cannot specify the amount of disk space touse.

D: You can enable disk offload to have a cache entry copied to the file system (the location is configurable).

References:https://www.ibm.com/support/knowledgecenter/SSEQTP_9.0.0/com.ibm.websp here.base.doc/ae/udyn_rcachesettings.html

Question No: 49

Which two ways are valid ways to install applications to IBM WebSphere Application

Server? (Select two.)

  1. wsadminscript

  2. JMS messaging

  3. IBM Installation Manager

  4. IBM Tivoli Access Manager

  5. Integrated Solutions Console

Answer: A,E Explanation:

Deploy an application or module using the administrative console, wsadmin, programming, or deployment tools.

References:https://www.ibm.com/support/knowledgecenter/en/SSAW57_8.5.5/com.ibm.we bsphere.nd.doc/ae/crun_app_install.html

Question No: 50

When updating an application, what is important to keep in mind?

  1. The application is only updated during the next server restart.

  2. The applicationis automatically stopped, updated, and restarted.

  3. The application is only updated during the next restart of the application.

  4. The application is stopped, updated, and restarted at the scheduled time.

Answer: B Explanation:

If the application is updated while it is running, WebSphere Application Server automatically stops the application, updates the application logic and restarts the application.

References:https://www.ibm.com/support/knowledgecenter/en/SSAW57_8.5.5/com.ibm.we bsphere.nd.doc/ae/crun_app_upgrade.html

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