CKAD Practice Question: Application Environment, Configuration and Security
This CKAD practice question tests your understanding of application environment, configuration and security. 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 in a namespace with a ResourceQuota fails to create with the error: 'exceeded quota: compute-quota, requested: pods=1, used: pods=5, limited: pods=5'. What is the issue?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The namespace has reached its maximum number of Pods allowed by the ResourceQuota.
The error message explicitly states 'requested: pods=1, used: pods=5, limited: pods=5'. This means the ResourceQuota named 'compute-quota' has a hard limit of 5 pods in the namespace, and that limit has already been reached. The Pod creation fails because the quota's `count/pods` scope is exhausted, not because of resource requests or permissions.
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.
✗
The Pod's service account does not have permission to create Pods.
Why it's wrong here
RBAC would give a different error, not a quota exceeded error.
✗
The Pod's resource requests exceed the quota.
Why it's wrong here
The error specifically mentions pods count, not resource requests.
✓
The namespace has reached its maximum number of Pods allowed by the ResourceQuota.
Why this is correct
Correct: the quota limits pods to 5, and all 5 slots are used.
Related concept
Read the scenario before looking for a memorised answer.
✗
The Pod is trying to mount a Secret that does not exist.
Why it's wrong here
That would cause a different error like 'secret not found'.
Common exam traps
Common exam trap: answer the scenario, not the keyword
CNCF often tests the distinction between count-based quotas (e.g., `count/pods`) and resource-based quotas (e.g., `requests.cpu`), leading candidates to incorrectly assume the error is about resource requests when the message clearly references pod count.
Detailed technical explanation
How to think about this question
ResourceQuota objects in Kubernetes can limit object counts (e.g., `count/pods`) in addition to compute resources. The `spec.hard` field defines limits, and the `status.used` field tracks current usage. When a Pod creation would cause `used` to exceed `hard`, the API server rejects the request with a 403 Forbidden and the specific 'exceeded quota' message. This is enforced by the ResourceQuota admission controller, which evaluates every create request against all active quotas in the namespace.
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: The namespace has reached its maximum number of Pods allowed by the ResourceQuota. — The error message explicitly states 'requested: pods=1, used: pods=5, limited: pods=5'. This means the ResourceQuota named 'compute-quota' has a hard limit of 5 pods in the namespace, and that limit has already been reached. The Pod creation fails because the quota's `count/pods` scope is exhausted, not because of resource requests or permissions.
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.
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 →
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.
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.