This KCNA practice question tests your understanding of kubernetes fundamentals. 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.
Which kubectl command would you use to view the logs of a specific container named 'app' in a multi-container Pod named 'web-pod'?
kubectl log web-pod container app
Why wrong: There is no 'kubectl log' command; it is 'kubectl logs'.
kubectl logs web-pod app
Why wrong: The correct syntax is 'kubectl logs pod-name -c container-name'.
kubectl logs web-pod -c app
The -c flag specifies the container name in a multi-container Pod.
kubectl logs app web-pod
Why wrong: Order is incorrect; the Pod name comes first.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
kubectl logs web-pod -c app
Option C is correct because the `kubectl logs` command uses the `-c` flag to specify a container name within a multi-container Pod. The correct syntax is `kubectl logs <pod-name> -c <container-name>`, which targets the 'app' container inside 'web-pod'.
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.
kubectl log web-pod container app
Why it's wrong here
There is no 'kubectl log' command; it is 'kubectl logs'.
kubectl logs web-pod app
Why it's wrong here
The correct syntax is 'kubectl logs pod-name -c container-name'.
kubectl logs web-pod -c app
Why this is correct
The -c flag specifies the container name in a multi-container Pod.
Related concept
Read the scenario before looking for a memorised answer.
kubectl logs app web-pod
Why it's wrong here
Order is incorrect; the Pod name comes first.
Common exam traps
The trap here is that candidates often forget the `-c` flag and assume `kubectl logs web-pod app` works by positional arguments, but Kubernetes requires the explicit `-c` flag for multi-container Pods.
Trap categories for this question
Command / output trap
There is no 'kubectl log' command; it is 'kubectl logs'.
Detailed technical explanation
Under the hood, `kubectl logs` communicates with the kubelet on the node via the Kubernetes API to retrieve container logs from the container runtime (e.g., containerd or CRI-O). In a multi-container Pod, the `-c` flag is mandatory to disambiguate which container's stdout/stderr stream to fetch; omitting it results in an error like 'a container name must be specified for pod <pod-name>'. This is critical in real-world scenarios like debugging sidecar proxies (e.g., Envoy) alongside application containers.
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 KCNA 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
Kubernetes Fundamentals — This question tests Kubernetes Fundamentals — Read the scenario before looking for a memorised answer..
The correct answer is: kubectl logs web-pod -c app — Option C is correct because the `kubectl logs` command uses the `-c` flag to specify a container name within a multi-container Pod. The correct syntax is `kubectl logs <pod-name> -c <container-name>`, which targets the 'app' container inside 'web-pod'.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
This KCNA practice question is part of Courseiva's free CNCF 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 KCNA exam.
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