C9510-401 Exam - IBM WebSphere Application Server Network Deployment V8.5.5 and Liberty Profile, System Administration

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Q1. An organization updated their LDAP directories and modified user roles. The roles that were configured to have access to a highly secured enterprise application were deleted and new roles with new names were created. The application then had security related exceptions.

How can a system administrator resolve the exceptions and restore security for the application?

A. Modify the mapping of security roles of the application to the new LDAP roles.

B. Modify the application and remove all security constraints and redeploy the application.

C. Modify the application to have a run as role for each new LDAP role and redeploy the application.

D. Create an administrative authorization group with administrator privileges scoped for the application with an administrative group role for the new LDAP roles.

Answer: D

Explanation: Reference: http://www.novell.com/documentation/idmrbpm36/install/data/bb1zmw0.html (See the Role of Administrator).

Q2. A system administrator needs to install WebSphere Application Server using response files, so that silent install can be done. The administrator has ensured that all required prerequisites have already been installed and, has downloaded and expanded the required WebSphere Application Server installation files.

What can the administrator run to install the product?

A. install -options responsefile.xml -silent

B. install -acceptLicense -options responsefile.xml -silent

C. install -acceptLicense input responsefile.xml -log logfile.txt

D. IBMIM -acceptLicense -input responsefile.xml -log logfile.txt

Answer: A

Explanation: Reference: http://www-01.ibm.com/support/knowledgecenter/SSHRKX_8.5.0/mp/install/inst_silent-AIX.dita

Q3. A system administrator is required to monitor the application server logs for heap memory issues and determine if the heap memory usage is reaching close to 70% of the maximum heap. The application server is configured with an initial heap of 256 MB and a max heap of 1 GB.

How should the administrator determine if the application server is utilizing 70% of the max allocated heap memory?

A. Check the System logs for Out Of Memory Errors.

Trigger a heap dump from the Integrated Solutions Console (ISC). Analyze the heap dump.

B. Configure WebSphere Application Server to enable verbose garbage collection. Analyze the garbage collection cycles in the native logs.

C. Configure Initial heap to be equal to the max heap.

Trigger a heap dump from the Integrated Solutions Console (ISC). Analyze the heap dump.

D. Configure WebSphere Application Server to increase max heap. Trigger a heap dump from the Integrated Solutions Console (ISC). Analyze the heap dump.

Answer: A

Explanation: Reference: http://www.ibm.com/developerworks/bpm/bpmjournal/1312_chan/1312_chan.html

Q4. In a test environment, a system administrator has configured an external HTTP server in the DMZ that is routing to a cluster of application servers. The administrator wants to achieve higher performance when routing and prioritizing incoming requests to the back- end cluster.

How can the system administrator achieve this task?

A. Configure a cluster of external HTTP servers.

B. Enable the prefer local option on the cluster members.

C. Set up a Caching Proxy server between the external web server and the application server.

D. Place an On Demand Router (ODR) between the external web server and the application servers.

Answer: D

Q5. A web application was deployed on a WebSphere Application Server cluster. While users are using the application, one of the cluster servers fails and the users lose their working data.

What can the system administrator configure to ensure users can continue to work if one of the cluster servers fails?

A. An increased session timeout.

B. A cluster of external HTTP servers.

C. A load balancer to spread work between existing servers.

D. A WebSphere extreme Scale HTTP session management.

Answer: D

Explanation: Reference: http://websphere.sys-con.com/node/1299059

Q6. There are many applications deployed in a large WebSphere Application Server cluster. A system administrator is required to give Configuration role access to a developer for a single application deployed in that cluster.

How should the administrator meet this requirement and restrict Configuration role access for a single application?

A. Create a J2C authentication alias for that developer.

B. Create an Administrative user role and provide Configuration access to the developer.

C. Create an Administrative group role and provide Configuration access to the developer.

D. Create an administrative authorization group, scope it only for that application and create an Administrative user or group role to give Configuration access to the developer.

Answer: A

Q7. A system administrator has started a Liberty profile server using the default values. Later, the administrator modified the server.xml file for the server to include

<applicationMonitor updateTrigger="polled" pollingRate="100ms" dropins="S{server.config.dir}/applications" dropinsEnabled="true"/>

The administrator placed the application ServletApp.war in the apps directory under

S{ server.config.dir}. While accessing the correct URL for the home page of the application, the

error "Context Root Not Found" occurs in the browser. How can the administrator resolve this error?

A. Restart the Liberty profile server.

B. Install the ServletApp.war file using the Integrated Solutions Console (ISC).

C. Place the ServletApp.war file in the directory named dropins under S {server.config.dir}.

D. Place the ServletApp.war file in the directory named applications under S{server.config.dir}.

Answer: D

Q8. The computer where a federated node was running had a failure and cannot be recovered. A system administrator wants to recreate the node with the same configurations in another computer.

Which steps should the administrator execute in order to recover the damaged node?

A. Configure the new computer with a different hostname. Create a custom profile with the same name.

Federate to the cell using the command addNode with the default options.

B. Configure the new computer with a different hostname. Create a custom profile with a different name.

Federate to the cell using the command addNode with the option -asExistingNode.

C. Configure the new computer with the same hostname. Create a custom profile with the same name.

Federate to the cell using the command addNode with the option -asExistingNode.

D. Configure the new computer with the same hostname. Create a custom profile with the same name.

Federate to the cell using the command addNode with the options -includeapps.

Answer: B

Explanation: Reference: http://www-01.ibm.com/support/knowledgecenter/SSD28V_8.5.5/com.ibm.websphere.zseries.doc/ae/tagt_addNode_asExistingNode.html (See the Heading Procedure).

Q9. A system administrator completed a WebSphere Application Server installation by using the Installation Manager. During installation, all defaults were selected for the installation root directories and the shared resources directory. Over time, the administrator has updated the installation with various interim fixes and fix packs. The administrator notices that the shared resources directory is very large in size and grows larger each time the Installation Manager is run.

How can the administrator decrease the size and remove some of the content from the shared resources directory?

A. Manually delete content from the directory.

B. During an update, create a new shared resources directory.

C. Clear the Delete Saved Files option for the Installation Manager.

D. Set the preserve Downloaded Artifacts preference to false.

Answer: D

Explanation: Reference: http://www-01.ibm.com/support/knowledgecenter/SSAW57_7.0.0/com.ibm.websphere.installation.soafepnd.doc/info/ae/ae/tins_installfp_dist.html?lang=en (Shared resources directory)

Q10. A system administrator has created a wsadmin script with several steps to install and configure an application and some resources in a WebSphere Application Server process. The script executed but the application was not installed successfully. The administrator suspects that the script has problems.

How can the administrator test and debug the script?

A. In WebSphere Application Server Developer Tools for Eclipse, right click on the script file and select validate from context menu.

B. Execute the script using the wsadmin with the option -conntype NONE and monitor the commandAssistancePythonCommands.log file.

C. Use WebSphere Application Server Developer Tools for Eclipse in the debug perspective connected to the server and execute the script step by step.

D. Run the script using wsadmin with these parameters:-lang Python -javaoption "-Xdebug" and then execute the log Viewer command with the option –listlnstances

Answer: C