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Q11. A JAX-WS EJB stateless session bean web service needs to be accessed by consumers outside the corporate domain.
Which configuration will help a system administrator meet the requirement?
A. Open firewall ports for both bootstrap and orb listener ports within the cell.
B. Configure plug-in in the DMZ to send request to the cluster members.
C. Configure on demand router (ODR) in the DMZ to send requests to the cluster members.
D. Configure HTTP tunneling to send the client-side Object Request Broker (ORB) request to the server-side ORB.
Answer: A
Explanation: Reference: http://www.ibm.com/developerworks/websphere/techjournal/0310_alcott/alcott.html
Q12. The administrator needs to identify any security role references and security constraints in a web application.
How can the administrator identify these roles and constraints?
A. ibm-application-ext.xml file using a text editor.
B. ibmconfig folder in the application after using the EARExpander command.
C. Web deployment descriptor using IBM Assembly and Deploy Tools.
D. Security role to user/group mapping by using the Integrated Solutions Console (ISC).
Answer: A
Q13. A system administrator has installed WebSphere Application Server Network Deployment V8.5.5 using the silent installation process and needs to verify that the installation completed successfully.
What does the administrator need to do to verify a successful installation?
A. Launch the Installation Manager GUI, and verify the installation by going to File -> View Installed Packages.
B. Run the command IBMIM list installed Packages and check that the appropriate WebSphere Application Server package is listed.
C. Check for INSTCONFSUCCESS message at the end of the <webSphere Application Server install directory><log directory>log.txt file.
D. Use the installer command to compare the checksum of the product file to the correct checksum value in the bill-of-materials file and make sure that the checksums match.
Answer: C
Explanation: Reference: http://www-01.ibm.com/support/knowledgecenter/SSAW57_7.0.0/com.ibm.websphere.installation.nd.doc/info/ae/ae/tins_trouble.html?cp=SSAW57_7.0.0%2F1-5-0-7
Q14. Within a WebSphere Application Server Network Deployment cell, a system administrator needs to write a script to determine if a particular server is stopped. It is important that the wsadmin script explicitly return a status of stopped as opposed to just failing.
What wsadmin object should the administrator use to write this script?
A. AdminApp
B. AdminTask
C. AdminConfig
D. AdminControl
Answer: D
Explanation: Reference: http://www-01.ibm.com/support/knowledgecenter/SSAW57_8.0.0/com.ibm.websphere.nd.doc/info/ae/ae/welc6topscripting.html
Q15. 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
Q16. Which one of the following options describes the runtime flow starting from the client browser in a clustered WebSphere Application Server Network Deployment topology?
A. HTTP server -> job manager -> admin agent -> HTTP server plug-in
B. Load balancer -> HTTP server -> HTTP server plug-in -> application server
C. Application server -> node agent -> deployment manager -> load balancer
D. Deployment manager -> node agent -> HTTP server plug-in -> HTTP server
Answer: A
Q17. An application deployed to a multi-node cluster is reported to have slowness and hung threads. A system administrator is asked to review the logs on each node and identify if the hung threads are a false alarm.
How can the administrator determine that the hung threads are a false alarm? Analyze the:
A. ffdc logs.
B. SystemErr.log.
C. SystemOut.log.
D. Native_stderr.log.
Answer: C
Explanation: http://www- 01.ibm.com/support/knowledgecenter/ssw_i5_54/rzatz/trbhangdet.htm (See the False Alarm).
Q18. A system administrator was asked by the development team to inform them of any warning message which contains a string "Connection" on a WebSphere Application Server with High Performance Extensible Logging (HPEL) enabled.
What should the administrator do to continuously monitor logs for the required message?
A. Configure log detail levels to include filter on "Connection" string.
B. Use the Log Viewer in the administrative console with filter on "Connection" string.
C. Use the logviewer.sh or logviewer.bat command with appropriate options.
D. Use the Log Viewer in the administrative console with filter on "Connection" string and enable the 'Refresh automatically' feature.
Answer: C
Explanation: Reference: http://www-01.ibm.com/support/knowledgecenter/SSD28V_8.5.5/com.ibm.websphere.base.doc/ae/rtrb_logviewer.html
Q19. A performance test team was testing the capacity of concurrent users of a web application deployed on a multi-processor server. While testing 250 concurrent users, the administrator discovers connections to the database are failing.
In response, a system administrator increased the connection pool to the maximum limit which the database allows and increased the prepared statement cache size. The test passed, but the application response time was slower.
How should the system administrator tune the data source properties to improve the application response time?
A. Change connection pools purge policy.
B. Decrease connection pool reaps time.
C. Decrease number of free pool partitions.
D. Decrease the prepared statement cache size.
Answer: A
Explanation: Reference: https://www-01.ibm.com/support/knowledgecenter/SSAW57_8.5.5/com.ibm.websphere.base.doc/ae/tdat_chgconwsadmin.html
Q20. 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
