How would you diagnose the situation?

Maximo Application Servers (JVMs) are showing poor performance and crashing due to ‘out of memory’ errors.

How would you diagnose the situation?
A . increase heap memory
B . enable application server logging
C . set maximo root logger to INFO level
D . enable verbose garbage collection (GC)

Answer: D

Explanation:

References: https://www.ibm.com/developerworks/community/blogs/aimsupport/entry/java_heap_was?lang=en