This CKS practice question tests your understanding of system hardening. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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 is running with AppArmor enabled using a profile named 'k8s-apparmor-profile'. You want to verify that the profile is loaded and set to enforce mode. Which command should you run on the node?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "which command"
Why it matters: Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
aa-status
'aa-status' lists all loaded AppArmor profiles and their modes (enforce/complain).
aa-profile --status
Why wrong: There is no 'aa-profile' command.
aa-enabled
Why wrong: 'aa-enabled' checks if AppArmor is enabled, but does not list profiles.
cat /sys/kernel/security/apparmor/profiles
Why wrong: This lists profiles but does not show which mode they are in (enforce/complain).
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
aa-status
Option A is correct because `aa-status` is the standard AppArmor utility that displays the status of AppArmor, including which profiles are loaded and their enforcement mode (enforce, complain, or unconfined). Running this command on the node will show whether 'k8s-apparmor-profile' is loaded and set to enforce mode, which directly answers the verification requirement.
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.
aa-status
Why this is correct
'aa-status' lists all loaded AppArmor profiles and their modes (enforce/complain).
Clue confirmation
The clue word "which command" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
aa-profile --status
Why it's wrong here
There is no 'aa-profile' command.
aa-enabled
Why it's wrong here
'aa-enabled' checks if AppArmor is enabled, but does not list profiles.
cat /sys/kernel/security/apparmor/profiles
Why it's wrong here
This lists profiles but does not show which mode they are in (enforce/complain).
Common exam traps
The trap here is that candidates may confuse `aa-enabled` (which only checks if AppArmor is enabled) with `aa-status` (which shows loaded profiles and their modes), or they may think the raw kernel interface file is the correct answer, but the CKS exam expects knowledge of the standard user-space tool `aa-status` for verification.
Trap categories for this question
Command / output trap
There is no 'aa-profile' command.
Detailed technical explanation
AppArmor profiles are stored in `/etc/apparmor.d/` and loaded into the kernel via `apparmor_parser`. The `aa-status` command reads from the securityfs filesystem (`/sys/kernel/security/apparmor/`) to display profile status, but it also parses the output for human readability. In Kubernetes, AppArmor profiles must be loaded on the node before pods can use them; if a profile is not loaded, the pod will fail to start with an error like 'AppArmor profile not found'. A real-world scenario is when a cluster admin loads a custom profile but forgets to set it to enforce mode (it defaults to complain), leaving the pod unprotected.
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 CKS 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
System Hardening — This question tests System Hardening — Read the scenario before looking for a memorised answer..
The correct answer is: aa-status — Option A is correct because `aa-status` is the standard AppArmor utility that displays the status of AppArmor, including which profiles are loaded and their enforcement mode (enforce, complain, or unconfined). Running this command on the node will show whether 'k8s-apparmor-profile' is loaded and set to enforce mode, which directly answers the verification requirement.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "which command". Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
This CKS 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 CKS exam.
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