What does the CDcom.ibm.webshpere.alarmthreadmonitor.generate.javacore JVM argument do?

What does the CDcom.ibm.webshpere.alarmthreadmonitor.generate.javacore JVM argument do?
A . Creates a javacore dump when a thread is hung
B . Generates a Tracemessage that a javacore should be generated
C . Generates a SystemOut message that a javacore should be generated
D . Allows the administrator to choose whether or not to generate a javacore when a hang is detected

View Answer

Answer: A

Explanation:

If you want to monitor the activity of threads on which system alarms execute, add the following JVM generic arguments to the server settings.

-Dcom.ibm.websphere.alarmthreadmonitor.generate.javacore

Set to any value to cause a javacore dump to be created when an hung system alarm threadis detected. The threads section of the javacore dump can be analyzed to determine what the reported thread and other related threads are doing.

References:https://www.ibm.com/support/knowledgecenter/en/SSAW57_8.5.5/com.ibm.websphere.nd.doc/ae/ttrb_confighangdet.html