IBM C2180-401 : IBM WebSphere Application Server Network Deployment V8.5.5 and Liberty Profile, System Administration

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="${server.config.dir}/applications" dropinsEnabled="true"/>
The administrator placed the application ServletApp.war in the apps directory under
${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. Place the ServletApp.war file in the directory named dropins under ${server.config.dir}.
• C. Install the ServletApp.war file using the Integrated Solutions Console (ISC).
• D. Place the ServletApp.war file in the directory named applications under
  ${server.config.dir}.

A system administrator is asked by a development team to monitor the performance of a newly deployed EJB application. The administrator noticed that the heap size of the application server is growing.
What should the administrator do to fix the problem using ORB settings?

• A. Use J2EE managed object MBeans.
• B. Enable the pass by reference option.
• C. Ensure that Process embedded configurations is not selected when exporting the EAR.
• D. Disable the application scoped resources in the application deployment descriptor.

After collecting diagnostic trace from a server running under a cell, a system administrator noticed that the trace files contained sensitive information.
To avoid this issue in the future, what can the administrator do?

• A. Configure entries in the ras.rawtracelist.properties.
• B. Configure suppressSensitiveTrace in the bootstrap.properties file.
• C. Add the entry com.ibm.websphere.logging.RawTraceList=off to the end of the trace string.
• D. Clear the "Disable logging and tracing of potentially sensitive data" checkbox.

A system administrator in a bank was asked by business users to determine the most accessed JSP page in a web application at normal work load for marketing purpose.
Which tool should the administrator use to find the most used JSP page?

• A. Performance and Diagnostic Advisor
• B. High Performance Extensible Logging Log Viewer
• C. IBM Support Assistant Data Collector
• D. Tivoli Performance Viewer (TPV) summary reports

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 application and remove all security constraints and redeploy the application.
• B. Modify the application to have a runAs role for each new LDAP role and redeploy the application.
• C. Modify the mapping of security roles of the application to the new LDAP roles.
• D. Create an administrative authorization group with administrator privileges scoped for the application with an administrative group role for the new LDAP roles.