- A
DaemonSet
Why wrong: DaemonSets ensure a pod runs on each node, not suitable for a one-time batch job.
- B
Job
A Job creates one or more pods and ensures they successfully terminate; ideal for batch workloads.
- C
Deployment
Why wrong: Deployments are for stateless, long-running applications, not for batch jobs that terminate.
- D
StatefulSet
Why wrong: StatefulSets are for stateful applications with stable network identities, not batch processing.
Question 487 of 997
Kubernetes Job for Batch Processing
This KCNA practice question tests your understanding of container orchestration. 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.
You need to run a batch job that processes a queue of 1000 items. The job should run to completion and then terminate. Which Kubernetes resource is BEST suited for this workload?
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
✓
Job
A Kubernetes Job is designed for batch processing tasks that run to completion and then terminate. It creates one or more Pods and ensures that a specified number of them successfully terminate. For a queue of 1000 items, a Job can be configured with a parallelism value and a completions count to process all items and then exit, making it the ideal resource for this workload.
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.
- ✗
DaemonSet
Why it's wrong here
DaemonSets ensure a pod runs on each node, not suitable for a one-time batch job.
- ✓
Job
Why this is correct
A Job creates one or more pods and ensures they successfully terminate; ideal for batch workloads.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Deployment
Why it's wrong here
Deployments are for stateless, long-running applications, not for batch jobs that terminate.
- ✗
StatefulSet
Why it's wrong here
StatefulSets are for stateful applications with stable network identities, not batch processing.
Common exam traps
Common exam trap: answer the scenario, not the keyword
CNCF often tests the distinction between workloads that run to completion (Jobs) versus those that are expected to run indefinitely (Deployments, DaemonSets), and the trap here is that candidates may choose Deployment because they associate it with 'running a job' in a general sense, without realizing that a Deployment's default behavior is to maintain a desired number of running Pods and restart them if they exit.
Detailed technical explanation
How to think about this question
Under the hood, a Job controller tracks Pod completions via the Pod's status.phase field, and when the specified number of completions is reached, the Job is marked as Finished. A common real-world scenario is using a Job with a work queue (e.g., RabbitMQ or Redis) where each Pod picks up one item from the queue, processes it, and exits; the Job can be configured with a parallelism value to control concurrency, and the controller will not create replacement Pods once the desired completions are met.
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 KCNA 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.
- →
Container Orchestration — study guide chapter
Learn the concepts, then practise the questions
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FAQ
Questions learners often ask
What does this KCNA question test?
Container Orchestration — This question tests Container Orchestration — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Job — A Kubernetes Job is designed for batch processing tasks that run to completion and then terminate. It creates one or more Pods and ensures that a specified number of them successfully terminate. For a queue of 1000 items, a Job can be configured with a parallelism value and a completions count to process all items and then exit, making it the ideal resource for this workload.
What should I do if I get this KCNA 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 →
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Last reviewed: Jun 30, 2026
This KCNA 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 KCNA exam.
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