DOP-C02 Incident and Event Response Practice Question
Which TWO metrics should a DevOps engineer monitor to detect an EC2 instance that is unresponsive due to resource exhaustion?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
MemoryUtilization
Options B and D are correct. CPUUtilization and MemoryUtilization (if enabled) are key indicators of resource exhaustion. Option A is incorrect because StatusCheckFailed indicates instance health issues but not specifically resource exhaustion. Option C is incorrect because DiskReadOps alone does not indicate exhaustion. Option E is incorrect because NetworkIn alone is not a resource exhaustion metric.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
StatusCheckFailed
Why it's wrong here
StatusCheckFailed indicates instance health issues but not specifically resource exhaustion.
- ✓
MemoryUtilization
Why this is correct
MemoryUtilization is a key indicator of resource exhaustion, especially when memory is fully utilized.
- ✗
DiskReadOps
Why it's wrong here
DiskReadOps alone does not indicate resource exhaustion.
- ✓
CPUUtilization
Why this is correct
CPUUtilization is a key indicator of resource exhaustion when it remains at 100% for extended periods.
- ✗
NetworkIn
Why it's wrong here
NetworkIn alone does not indicate resource exhaustion.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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