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ACE Practice Question: A team's GKE application is running out of memory…
This ACE practice question tests your understanding of a team's gke application is running out of memory…. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A team's GKE application is running out of memory due to a memory leak. Pods are restarting with OOMKilled status. As an immediate measure before a code fix is available, what kubectl action provides the most insight into which container is leaking?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
kubectl delete pod [POD_NAME] -- force=true to clear the memory leak
Deleting the Pod terminates and recreates it — this stops the immediate OOMKill but doesn't identify which container is leaking. The issue will recur.
B
Best answer
kubectl top pods --containers -n [NAMESPACE]
`kubectl top pods --containers` shows real-time CPU and memory consumption per container, helping identify which container is consuming the most memory — essential for diagnosing leaks.
C
Distractor review
kubectl get events --field-selector=reason=OOMKilling
`kubectl get events` with this filter can show OOMKill events, but `kubectl top pods --containers` provides real-time memory consumption per container for active diagnosis.
D
Distractor review
gcloud container clusters describe [CLUSTER] --memory-usage
`gcloud container clusters describe` shows cluster configuration, not real-time container memory consumption.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Related practice questions
Related ACE practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
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Question 4
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Question 5
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Question 6
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FAQ
Questions learners often ask
What does this ACE question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: kubectl top pods --containers -n [NAMESPACE] — `kubectl top pods --containers` shows real-time CPU and memory usage per container in the specified namespace. Combined with `kubectl describe pod` to see OOMKill events, it identifies which container is consuming excessive memory. Cloud Monitoring provides historical memory trends for longer-term analysis.
What should I do if I get this ACE question wrong?
Identify which ACE exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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This ACE practice question is part of Courseiva's free Google Cloud certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the ACE exam.