Question 1hardmultiple choice
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Quick Answer
The answer is that a missing ConfigMap is NOT a typical cause of a pod stuck in Pending state. This is because the Pending state indicates a scheduling failure—the pod cannot be placed onto a node due to issues like insufficient CPU, memory, or node selector mismatches. A missing ConfigMap, by contrast, is a runtime configuration problem: the pod will be scheduled successfully but will fail later when it tries to mount or use that ConfigMap, resulting in a CrashLoopBackOff or Error state, not Pending. On the Certified Kubernetes Administrator CKA exam, this question tests your ability to distinguish between scheduling and runtime failures, a common trap where candidates confuse pre-scheduling checks with post-scheduling dependencies. Remember the memory tip: “Pending is for placement, not for payload”—if the pod can’t land on a node, look at resources, not ConfigMaps.
CKA Practice Question: Cluster Architecture, Installation and Configuration
This CKA practice question tests your understanding of cluster architecture, installation and configuration. 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.
An administrator runs 'kubectl get pods' and sees a pod stuck in 'Pending' state. Which of the following is NOT a typical cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"NOT"Why it matters: Negative qualifier — you are looking for the one option that does NOT apply. Most options will be true; only one is false for this scenario.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
A required ConfigMap does not exist
A missing ConfigMap does not prevent a pod from being scheduled; it only causes the pod to fail at runtime when it tries to mount or use the ConfigMap. The 'Pending' state specifically indicates that the pod has not been scheduled to a node, which is a scheduling issue, not a runtime configuration issue. Therefore, a missing ConfigMap is not a typical cause of a pod stuck in 'Pending'.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse scheduling failures (which cause 'Pending') with runtime configuration errors (which cause 'CrashLoopBackOff' or 'Error'), leading them to incorrectly think a missing ConfigMap could prevent scheduling.
Detailed technical explanation
How to think about this question
The Kubernetes scheduler (kube-scheduler) evaluates predicates like resource requests, node selectors, node affinity, and volume binding readiness before assigning a pod to a node. A pod enters 'Pending' when the scheduler cannot find a feasible node after all predicates are checked. The 'Pending' phase is part of the pod lifecycle (Pending → Running → Succeeded/Failed) and is distinct from runtime failures like missing ConfigMaps, which cause the pod to be in 'Running' but with a CrashLoopBackOff or ImagePullBackOff status.
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 CKA 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
Got this wrong? Here's your next step.
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
Questions learners often ask
What does this CKA question test?
Cluster Architecture, Installation and Configuration — This question tests Cluster Architecture, Installation and Configuration — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: A required ConfigMap does not exist — A missing ConfigMap does not prevent a pod from being scheduled; it only causes the pod to fail at runtime when it tries to mount or use the ConfigMap. The 'Pending' state specifically indicates that the pod has not been scheduled to a node, which is a scheduling issue, not a runtime configuration issue. Therefore, a missing ConfigMap is not a typical cause of a pod stuck in 'Pending'.
What should I do if I get this CKA question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "NOT". Negative qualifier — you are looking for the one option that does NOT apply. Most options will be true; only one is false for this scenario.
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 →
Last reviewed: Jun 24, 2026
This CKA 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 CKA exam.
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