This CKAD practice question tests your understanding of application environment, configuration and security. 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 field in a Pod spec specifies which ServiceAccount the pod should use?
spec.serviceAccount
Why wrong: Deprecated alias for serviceAccountName.
spec.accountName
Why wrong: No such field.
spec.automountServiceAccountToken
Why wrong: This controls automatic mounting, not which SA to use.
spec.serviceAccountName
This is the correct field.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
spec.serviceAccountName
The correct field is `spec.serviceAccountName` in the Pod spec. This field explicitly specifies the name of the ServiceAccount that the Pod should use. If omitted, the Pod automatically uses the `default` ServiceAccount in its namespace. This is defined in the Kubernetes API for PodSpec.
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.
spec.serviceAccount
Why it's wrong here
Deprecated alias for serviceAccountName.
spec.accountName
Why it's wrong here
No such field.
spec.automountServiceAccountToken
Why it's wrong here
This controls automatic mounting, not which SA to use.
spec.serviceAccountName
Why this is correct
This is the correct field.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates may confuse the deprecated `spec.serviceAccount` field with the correct `spec.serviceAccountName`, or mistakenly think `spec.automountServiceAccountToken` selects the ServiceAccount, when it only controls token mounting.
Detailed technical explanation
When a Pod is created, the ServiceAccount specified in `spec.serviceAccountName` is used to authenticate to the Kubernetes API server. The token for that ServiceAccount is mounted at `/var/run/secrets/kubernetes.io/serviceaccount` by default. If `spec.automountServiceAccountToken` is set to `false`, the token is not mounted, which is useful for Pods that do not need API access, reducing security risks.
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.
Application Environment, Configuration and Security — study guide chapter
Learn the concepts, then practise the questions
Application Environment, Configuration and Security practice questions
Targeted practice on this topic area only
All CKAD questions
991 questions across all exam domains
Certified Kubernetes Application Developer CKAD study guide
Full concept coverage aligned to exam objectives
CKAD practice test guide
How to use practice tests most effectively before exam day
Related practice questions
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
Practise CKAD questions linked to Application Design and Build.
Practise CKAD questions linked to Application Deployment.
Practise CKAD questions linked to Application Environment, Configuration and Security.
Practise CKAD questions linked to Application Observability and Maintenance.
Practise CKAD questions linked to Services and Networking.
Practise CKAD questions linked to CKAD fundamentals.
Practise CKAD questions linked to CKAD scenario.
Practise CKAD questions linked to CKAD troubleshooting.
Practice this exam
Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.
FAQ
Application Environment, Configuration and Security — This question tests Application Environment, Configuration and Security — Read the scenario before looking for a memorised answer..
The correct answer is: spec.serviceAccountName — The correct field is `spec.serviceAccountName` in the Pod spec. This field explicitly specifies the name of the ServiceAccount that the Pod should use. If omitted, the Pod automatically uses the `default` ServiceAccount in its namespace. This is defined in the Kubernetes API for PodSpec.
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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Last reviewed: Jun 25, 2026
This CKAD 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 CKAD exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.