Question 277 of 997
Cloud Native Application DeliverymediumDrag & DropObjective-mapped

Steps to Create a ConfigMap from a File in Kubernetes

This KCNA practice question tests your understanding of cloud native application delivery. 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.

Drag and drop the steps to create a ConfigMap from a file in Kubernetes into the correct order.

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

Prepare the file, then create the ConfigMap, then verify it, then describe it, then use it in a Pod.

The correct sequence to create a ConfigMap from a file in Kubernetes is: first prepare the configuration file, then create the ConfigMap using kubectl create configmap, next verify the ConfigMap with kubectl get configmaps, then optionally describe it with kubectl describe configmap, and finally use it in a Pod as environment variables or volume mounts. This order ensures the ConfigMap is available and correctly configured before consumption.

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.

  • Prepare the file, then create the ConfigMap, then verify it, then describe it, then use it in a Pod.

    Why this is correct

    This order is correct because you must first have the configuration data in a file, then create the ConfigMap from that file, verify its existence, inspect its details if needed, and finally use it in a Pod.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Prepare the file, then create the ConfigMap, then describe it, then verify it, then use it in a Pod.

    Why it's wrong here

    This order is incorrect because you should verify the ConfigMap exists before describing it; describing a resource that does not exist would fail. The proper step is to verify first, then describe.

  • Prepare the file, then create the ConfigMap, then use it in a Pod, then verify it, then describe it.

    Why it's wrong here

    This order is incorrect because you should verify and describe the ConfigMap before referencing it in a Pod to ensure it was created correctly. Using it first risks errors if the ConfigMap is missing or misconfigured.

  • Create the ConfigMap, then prepare the file, then verify it, then describe it, then use it in a Pod.

    Why it's wrong here

    This order is incorrect because you cannot create a ConfigMap from a file before the file is prepared. The file must exist with the configuration data before running the kubectl create command.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Trap categories for this question

  • Command / output trap

    This order is incorrect because you cannot create a ConfigMap from a file before the file is prepared. The file must exist with the configuration data before running the kubectl create command.

Detailed technical explanation

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

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.
  • Use explanations to understand the rule behind the answer.

TExam Day Tips

  • Underline the problem statement mentally.
  • 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 KCNA exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

Related practice questions

Related KCNA practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

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FAQ

Questions learners often ask

What does this KCNA question test?

Cloud Native Application Delivery — This question tests Cloud Native Application Delivery — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Prepare the file, then create the ConfigMap, then verify it, then describe it, then use it in a Pod. — The correct sequence to create a ConfigMap from a file in Kubernetes is: first prepare the configuration file, then create the ConfigMap using kubectl create configmap, next verify the ConfigMap with kubectl get configmaps, then optionally describe it with kubectl describe configmap, and finally use it in a Pod as environment variables or volume mounts. This order ensures the ConfigMap is available and correctly configured before consumption.

What should I do if I get this KCNA question wrong?

Identify which KCNA exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 11, 2026

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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.