CKAD Practice Question: Application Environment, Configuration and Security
This CKAD practice question tests your understanding of application environment, configuration and security. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 configured with automountServiceAccountToken: false. The application inside the pod needs to access the Kubernetes API. What should be done?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Mount the service account token manually by adding a volume and volumeMount
Setting automountServiceAccountToken: false prevents automatic mounting of the service account token. To still access the Kubernetes API, you must manually mount the token by adding a volume of type projected (or secret) containing the service account token, and a corresponding volumeMount in the container. This allows the application to authenticate with the API server using the mounted token.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Create a new Secret of type kubernetes.io/dockerconfigjson
Why it's wrong here
That secret type is for Docker registry credentials.
✓
Mount the service account token manually by adding a volume and volumeMount
Why this is correct
You can manually mount the token by using a projected volume with serviceAccountToken.
Related concept
Read the scenario before looking for a memorised answer.
✗
The application cannot access the API; the setting is final
Why it's wrong here
You can still manually mount the token via a volume.
✗
Add a ConfigMap with the token
Why it's wrong here
ConfigMaps cannot store service account tokens.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume automountServiceAccountToken: false permanently blocks API access, but the CKAD exam tests that you can override this by manually mounting the token, often using a projected volume or a secret reference.
Detailed technical explanation
How to think about this question
When automountServiceAccountToken is false, the kubelet does not automatically project the service account token into /var/run/secrets/kubernetes.io/serviceaccount. Manually mounting a projected volume with the service account token (e.g., using a secret with kubernetes.io/service-account-token type) provides the same JWT token used for API authentication. This is useful in security-sensitive environments where you want explicit control over which pods can access the API, or when using multiple service accounts per pod.
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.
TExam Day Tips
→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.
Real-world example
How this comes up in practice
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CKAD question in full detail.
Application Environment, Configuration and Security — This question tests Application Environment, Configuration and Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Mount the service account token manually by adding a volume and volumeMount — Setting automountServiceAccountToken: false prevents automatic mounting of the service account token. To still access the Kubernetes API, you must manually mount the token by adding a volume of type projected (or secret) containing the service account token, and a corresponding volumeMount in the container. This allows the application to authenticate with the API server using the mounted token.
What should I do if I get this CKAD question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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