Exam C9510-401 topic 1 question 12 discussion

Actual exam question from IBM's C9510-401

Question #: 12
Topic #: 1

A system administrator is required to monitor the application server logs for heap memory issues and determine if the heap memory usage is reaching close to
70% of the maximum heap. The application server is configured with an initial heap of 256 MB and a max heap of 1 GB.
How should the administrator determine if the application server is utilizing 70% of the max allocated heap memory?

A. Check the System logs for OutOfMemoryErrors. Trigger a heap dump from the Integrated Solutions Console (ISC). Analyze the heap dump.
B. Configure WebSphere Application Server to enable verbose garbage collection. Analyze the garbage collection cycles in the native logs.
C. Configure Initial heap to be equal to the max heap. Trigger a heap dump from the Integrated Solutions Console (ISC). Analyze the heap dump.
D. Configure WebSphere Application Server to increase max heap. Trigger a heap dump from the Integrated Solutions Console (ISC).

Show Suggested Answer

Suggested Answer: B 🗳️
Enabling verboseGC (Garbage Collection) output is often required when diagnosing issues with WebSphere Application Server. Because verboseGC data is critical to troubleshooting memory and performance problems and the overhead is generally very low, you may want to consider proactively enabling it in your environment.
References:
http://www-01.ibm.com/support/docview.wss?uid=swg21114927

by zelesu at April 5, 2025, 11:21 a.m.

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Exam C9510-401 topic 1 question 12 discussion

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