Saturday 18 May 2013

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Exam Name: WebSphere Application Server Network
Deployment V8.5 Core Administration




Question: 1

An application development team has developed a new version of an application that needs to be rolled out to a selected group of users for testing while the other users can continue to access the old version of the application. What configuration should the system administrator do in order to achieve this?

A. Perform a rollout on an application edition.
B. Perform a rollout on an application edition and establish routing policies.
C. Install an application edition and establish routing policies.
D. Activate concurrent application editions and establish routing policies.

Answer: D    

Question: 2

In a test environment, a system administrator has configured an external HTTP in the DMZ that is routing to a cluster of application servers. The administrator wants to achieve high results and 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. Setup a Caching Proxy server between the external web server and the application server.
D. Place an On Demand Router (ODR) between the external web servers and the application servers.

Answer: D    

Question: 3

After deploying a new application to a high load production system, a memory leak has been detected which causes OutOfMemory exceptions. After fixing this, a system administrator needs to gather JVM heap dumps and restart the server in case a memory leak is detected in the future. How should the system administrator handle this without writing a script? Create a health policy which will:

A. send the SNMP trap to generate the heap dump and restart the server.
B. put the server in maintenance mode, gather JVM heap dump and restart the server.
C. take the server out of maintenance mode, gather JVM heap dump and restart the server.
D. use the Job Manager to put server in maintenance mode, gather JVM heap dump and restart the server.

Answer: B    

Question: 4

A system administrator has created a dynamic cluster in a production environment. During the autonomic server start and stop operations, it was observed that the server is taking more time than normal and the administrator is always called for manual start/stop of the servers. What should the system administrator tune to avoid manual intervention?

A. Health controller.
B. Dynamic workload controller.
C. Application placement controller.
D. On-demand configuration manager.

Answer: C    

Question: 5

Which statement is accurate regarding business-level applications?

A. A business-level application contains application binary files.
B. Only WebSphere artifacts are contained in a business-level application.
C. The business-level application function introduces new application programming interfaces (APIs).
D. Make a Java EE application a business-level application and add it to another business-level application.

Answer: D    


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