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A)  1)  SystemOut.log :  standard JVM output log

          —> Indicates if the code running on the Application Server started and stopped successfully.

—>Destination and name are configurable.

—-> Can be used for user messages.

2)      SystemErr.log : standard JVM error log

—-> Identifies exceptions thrown by the code running on the Application Server.

—-> Destination and name are configurable.

3)     startServer.log and stopServer.log :

—-> Describes the startup and shutdown of the Application Servers.

4)  Activity.log: events that show a history of activities

—-> Use Log Analyzer to read output from this file.

5)  http_plugin.log : plug-in trace log

—-> Errors and data from the Web server plug-in.

6) trace.log :  output from diagnostic trace.

—-> Destination and name are configurable.

—-> All WebSphere Application Server log files are under the logs directory. where is the WebSphere Application Server installation directory (for Windows 2000 the default is: C:Program FilesWebSphereAppServer).