IBM C2180-401 Online Practice Questions and Exam Preparation

IBM C2180-401 Online Questions & Answers

• Question 31:

  A system administrator has configured a cluster containing 40 servers. The cluster members all belong to one core group. While examining the log files, the administrator notices that the core group coordinator is consuming abnormally high amounts of memory and CPU resources.

  How can the system administrator reduce the memory and CPU resource usage of the core group coordinator?

  A. Configure a core group bridge.
  B. Configure a second active coordinator
  C. Decrease the memory on the machine.
  D. Move the coordinator to another machine.
  A. Configure a core group bridge.

• Question 32:

  The application placement controller has been configured with elasticity mode enabled. Intermittently, all instances of a dynamic cluster are removed. After further review, the system administrator noticed that it occurs during peak load on another dynamic cluster.

  The administrator wants to keep at least one instance available. Which configuration is needed in the dynamic clusters?

  A. Enable application lazy start with elasticity mode.
  B. Set the proactiveldleStop custom property to true
  C. Set the Number of instances to a value greater than zero.
  D. Disable the option "If other dynamic clusters need resources, stop all instances of this cluster during periods of inactivity".
  D. Disable the option "If other dynamic clusters need resources, stop all instances of this cluster during periods of inactivity".

• Question 33:

  A system administrator has deployed an application. The development team has updated a new version of this application. The administrator needs to immediately deploy this updated application and guarantee that only this new edition is used by clients and that any service requests for the application are queued during the deployment of the new application.

  How can the administrator achieve this task without any downtime to the application?

  A. Perform a soft rollout.
  B. Perform a hard rollout.
  C. Perform an atomic rollout.
  D. Perform a concurrent activation rollout.
  C. Perform an atomic rollout.

• Question 34:

  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

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

• Question 35:

  An EJB application posts a request message into a JMS destination and waits for a response message on a different JMS destination. To correlate the response message to the request message, the application uses the JMS correlation ld of

  the message. The application waits up to five seconds for a response before timing out the request.

  A Message Driven Bean (MDB) running on a different cluster is responsible for consuming the request message, process it and post a response message.

  The destinations are defined in a Service Integration Bus (SIB) within the cell.

  Intermittent timeout exceptions have occurred for the requester application. How can a system administrator correlate and analyze the debug information from both requester and consumer applications?

  A. Enable High Performance Extensible Logging (HPEL). Use HPEL logViewer command to see debug information.
  B. Enable a diagnostic trace in both requester and consumer servers. Use the Integrated Solutions Console (ISC) to set the admin=all trace. Analyze the trace.
  C. Enable High Performance Extensible Logging (HPEL). Enable Cross Component Trace (XCT) to include request IDs in log and trace records. Use HPEL logViewer command with appropriate filters to see debug information.
  D. Using the Integrated Solutions Console (ISC), browse the request message that has timed out and look for any key application data. Search for exceptions using the key application data in both requester and consumer in native_stderr.log and native_stdout.log.
  C. Enable High Performance Extensible Logging (HPEL). Enable Cross Component Trace (XCT) to include request IDs in log and trace records. Use HPEL logViewer command with appropriate filters to see debug information.

• Question 36:

  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.
  D. A WebSphere extreme Scale HTTP session management.

• Question 37:

  A web application is hosted on an application server that receives HTTP requests from a third party application named myApp. The URlGroup mapping for this application is called default_host_myApp. The development team asks a system

  administrator to configure the HTTP plug-in to prevent routing requests to any application server except serverl.

  The following exhibit shows the parts of the plugin-cfg.xml file that are relevant for myApp. The UriGroups for other applications are not shown in the exhibit.

  

  What should the administrator do to the plugin-cfg.xml file to ensure that requests for default_host_myApp URIGroup are routed only to machine1?

  A. Delete the server tag for Cloneld="b20000002" Delete all of the tags within the Server tag
  B. Delete the UriGroup tag for default_host_myApp Delete all of the tags within this UriGroup tag
  C. Delete the VirtualHostGroup tag for default_host Delete all of the tags within the VirtualHostGroup tag
  D. Edit the LoadBalanceWeight forserverl to 20 Edit the LoadBalanceWeight for server2 to 2
  C. Delete the VirtualHostGroup tag for default_host Delete all of the tags within the VirtualHostGroup tag

• Question 38:

  A customer has enabled LTPA as their authentication mechanism and has web resources that are not secured by proper security constraints. A system administrator is required to ensure that all web resources are secured. How should the administrator accomplish this?

  A. Enable "Authenticate when any URI is accessed".
  B. Enable "Authenticate only when the URI is protected".
  C. Enable "Authenticate only when the URI is protected".
  D. Map the application security roles to the configured user registry's groups.
  B. Enable "Authenticate only when the URI is protected".

• Question 39:

  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.
  C. Use the logviewer.sh or logviewer.bat command with appropriate options.

• Question 40:

  A system administrator wants to learn some of the Python scripting commands for the administration of the environment. Which product feature should the administrator use?

  A. The wsadmin.properties file to load a profile.
  B. The AdminTask object to generate wsadmin scripts.
  C. The guided activities panel from the Integrated Solutions Console (ISC).
  D. The "Log command assistance commands" option in the Integrated Solutions Console (ISC).
  D. The "Log command assistance commands" option in the Integrated Solutions Console (ISC).