Before you view JVM performance information in the administration console, you want to
request that the JVM do a garbage collection. How can you do this in the admin console?
A.
In the Monitoring- Performance tab, click Garbage Collect.
B.
In the Monitoring>Performancetab, click GC.
C.
In the Monitoring > Threads tab, click Dump thread Stacks,
D.
In the Monitoring > Performance tab, click Dump thread Stacks.
E.
You cannot do this from the admin console. You must use WLST or
aJVMcommand- line tool.
Answer A
https://docs.oracle.com/cd/E57014_01/wls/WLACH/taskhelp/monitoring/RequestGarbageCollection.html
Answer A
http://docs.oracle.com/cd/E24329_01/apirefs.1211/e24401/taskhelp/monitoring/RequestGarbageCollection.html