What should the administrator do next?
A WebSphere Application Server has been set up to receive requests from an IBM HTTP Server
(IHS). A system administrator has been asked to examine the environment for problems (if any)
and has been given several log files to check. This is an excerpt from the IHS’s access.log:
<host_ip> – – [26/Jan/2012:14:17:19 +0800] “GET /Login.jsp HTTP/1.1” 500 620 What should the
administrator do next?
How can the administrator trigger the thread dumps?
Customers are complaining that a particular web site is “hanging”. To troubleshoot the problem, a
system administrator decides to trigger several thread dumps to determine which threads might be
hung. How can the administrator trigger the thread dumps?
Which tool should the administrator use?
An application server needs to be diagnosed for out-of-memory issues. The system administrator
will use a tool that performs the analysis of the heap dump. Which tool should the administrator
use?
How should the system administrator accomplish this?
Performance issues have caused several high profile outages in a WebSphere Application Server
Network Deployment V8.0 environment. The application developer has isolated the problem to
one specific application. To assist with the problem diagnosis a system administrator has been
asked to enable the highest level of WebSphere tracing available. How should the system
administrator accomplish this? Enable tracing and set the level to:
Which tool should the administrator use to gather response times for each component?
A system administrator needs to monitor a transaction and determine how much time it spends in
the web container, EJB container, and backend database. Which tool should the administrator use
to gather response times for each component?
How should the administrator monitor the frequency of garbage collections?
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?
What should the administrator configure?
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?
What setting should the administrator configure to ensure accurate advice for the specific configuration of th
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?
how should the administrator tune the data source?
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?
Which tools should the administrator use to get this data?
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?