ibm websphere 000-317 exam dumps free(46-55)

QUESTION NO: 46

An administrator needs to monitor the frequency of garbage collection (GC) cycles that are
triggered when a typical client load is run against the server. How should the administrator monitor
the frequency of garbage collections?
A. Use the Log Analyzer to view the verbose GC logs.
B. Use the HPEL Log Viewer and look for System.gc() calls.
C. Use the Tivoli Performance Viewer (TPV) and select the JVM Runtime.
D. Run the performance servlet to gather the verbose GC data.
Answer: C

QUESTION NO: 47

A system administrator needs to improve performance of a WebSphere Application Server
runtime. The computations of JavaServer Pages (JSP), servlets, portlets, Web services and
WebSphere commands should be performed once and served from memory. What should the
administrator configure?
A. Caching Proxy
B. Edge Components
C. Dynamic cache service
D. WebSphere eXtreme Scale
Answer: C

QUESTION NO: 48

A system administrator is tuning a WebSphere Application Server system for optimal performance,
based on advice obtained from the Performance and Diagnostic advisor. What setting should the
administrator configure to ensure accurate advice for the specific configuration of the system?
A. Specify the process ID of the server
B. Specify the number of processors on the server
C. Enable tracing on the server
D. Enable High Performance Extensible Logging (HPEL) logging
Answer: B

QUESTION NO: 49

While monitoring a JDBC data source's performance during a test load, a system administrator
notices that there are a large number of prepared statements discarded from the cache. In order to
improve application throughput, how should the administrator tune the data source?
A. Increase the size of the prepared statement cache until there are no statement discards under
load.
B. Increase the maximum connection pool size and keep the prepared statement cache at its
default size.
C. Set the connection pool purge policy to "EntirePool" and increase the maximum connection
pool size.
D. Set the minimum connection pool size equal to the maximum connection pool size and keep
the prepared statement cache at its default size.
Answer: A

QUESTION NO: 50

A system administrator needs to identify the performance of a database application and JDBC
connection pool, CPU usage time and response time. Which tools should the administrator use to
get this data?
A. Client program
B. Request metrics
C. Custom Java code
D. Heap dump analyzer
E. Performance Monitoring Infrastructure (PMI)
Answer: B,E

 

QUESTION NO: 51 System administrator needs to identify the most time-intensive web components of a running
application, and determine which components are the slowest. The administrator does this from
the Tivoli Performance Viewer (TPV) by
A. viewing diagnostic trace output.
B. viewing Servlets Summary Report.
C. viewing the log file for the web server.
D. opening Reports tab, Runtime operations, reports.
Answer: B

QUESTION NO: 52

An application server is configured with the default garbage collection (GC) policy. An
administrator needs to load test different GC policies. How can the administrator change the
server's GC policy?
A. Start the node agent from the command line using the -Xgcpolicy option, and specify the server
name.
B. Start the administrative agent from the command line using the -Xgcpolicy option and specify
the server name.
C. Use Integrated Solutions Console (ISC) to navigate to the server's JVM configuration and add
an appropriate -Xgcpolicy setting.
D. Use Integrated Solutions Console (ISC) to navigate to the deployment manager's JVM
configuration and add an appropriate -Xgcpolicy setting.
Answer: C

QUESTION NO: 53

A system administrator needs to modify the Java 2 security permissions for applications running
on a server. How should the administrator perform this task?
A. Use the PolicyTool.
B. Use the iKeyman tool.
C. Edit the was.policy file.
D. Edit the security.xml file.
Answer: A

QUESTION NO: 54

The lead administrator needs to limit access to the Integrated Solutions Console (ISC) by a group
of administrators who only need to: view the configuration of the WebSphere Application Server.
monitor its status. stop and start the server. To what administrative role should the lead
administrator assign this group?
A. Auditor
B. Monitor
C. Operator
D. Configurator
Answer: C

QUESTION NO: 55

A system administrator needs to enable Single Sign On (SSO) using LTPA between WebSphere
cells. What must the administrator do to accomplish this?
A. Configure both cells to share LDAP keys.
B. Configure both cells to use the same user registry.
C. Ensure URL requests use only host names or IP addresses.
D. Ensure each cell is in a unique Domain Name System (DNS)
Answer: B