This CKAD practice question tests your understanding of application observability and maintenance. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 pod named 'db-backup' is in CrashLoopBackOff. The team needs to understand why it keeps crashing. Which approach should be taken first to diagnose the issue?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Increase the restart policy to Always
Why wrong: Doesn't diagnose the root cause.
Run kubectl describe pod
Why wrong: Shows configuration, not runtime logs.
View the logs of the pod using kubectl logs
Logs show the error that causes the crash.
Check the pod's events with kubectl get events
Why wrong: Events may indicate issues but logs are more direct.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
View the logs of the pod using kubectl logs
C is correct because `kubectl logs` directly shows the stdout/stderr output from the container's main process, which typically contains the error message or stack trace explaining why the application crashed. Since the pod is in CrashLoopBackOff, the container is repeatedly starting and failing, so viewing the logs from the last (or previous) attempt is the fastest way to identify the root cause, such as a missing configuration file, a failed dependency, or an unhandled exception.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Increase the restart policy to Always
Why it's wrong here
Doesn't diagnose the root cause.
Run kubectl describe pod
Why it's wrong here
Shows configuration, not runtime logs.
View the logs of the pod using kubectl logs
Why this is correct
Logs show the error that causes the crash.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Check the pod's events with kubectl get events
Why it's wrong here
Events may indicate issues but logs are more direct.
Common exam traps
The trap here is that candidates often choose `kubectl describe pod` (Option B) because it shows events and exit codes, but they overlook that `kubectl logs` directly reveals the application's error message, which is the most efficient first step for debugging a crash.
Trap categories for this question
Command / output trap
Shows configuration, not runtime logs.
Detailed technical explanation
Under the hood, `kubectl logs` retrieves the container's log stream from the kubelet, which reads from the container runtime's log file (e.g., /var/log/pods/... for containerd). The CrashLoopBackOff state means the container has exited with a non-zero exit code multiple times, and the kubelet applies an exponential backoff delay before restarting; `kubectl logs --previous` is critical here to see logs from the terminated container before it was restarted, as the current container may have no logs yet. In real-world scenarios, a common cause is a missing environment variable or a misconfigured command argument, which is immediately visible in the logs.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the CKAD exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Application Observability and Maintenance — This question tests Application Observability and Maintenance — Read the scenario before looking for a memorised answer..
The correct answer is: View the logs of the pod using kubectl logs — C is correct because `kubectl logs` directly shows the stdout/stderr output from the container's main process, which typically contains the error message or stack trace explaining why the application crashed. Since the pod is in CrashLoopBackOff, the container is repeatedly starting and failing, so viewing the logs from the last (or previous) attempt is the fastest way to identify the root cause, such as a missing configuration file, a failed dependency, or an unhandled exception.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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