Certified DevOps Master (CDM)

Question 1

What is the primary role of a container orchestration platform like Kubernetes in a DevOps environment?

To compile application source code into container images To automate the deployment, scaling, and management of containerized applications across a cluster To provide a graphical UI for developers to browse container registries To replace CI/CD pipelines for application delivery

Correct Answer:

To automate the deployment, scaling, and management of containerized applications across a cluster

Question 2

In Docker, what is the difference between a Docker image and a Docker container?

An image is a running instance; a container is a blueprint An image is a read-only blueprint; a container is a running instance of that image Images are used in development; containers are used only in production There is no difference — the terms are interchangeable

Correct Answer:

An image is a read-only blueprint; a container is a running instance of that image

Question 3

Which Kubernetes object is responsible for ensuring that a specified number of identical pod replicas are running at all times?

ConfigMap ReplicaSet Namespace PersistentVolume

Correct Answer:

ReplicaSet

Question 4

What is a multi-stage Docker build and what is its main benefit?

A build that runs across multiple CI/CD pipelines simultaneously A Dockerfile technique that uses intermediate build stages to produce a smaller final image by excluding build-time dependencies A build strategy that deploys to multiple cloud regions at once A method for running multiple Dockerfiles in sequence in the same directory

Correct Answer:

A Dockerfile technique that uses intermediate build stages to produce a smaller final image by excluding build-time dependencies

Question 5

What does 'immutable infrastructure' mean in the context of cloud and containerization?

Infrastructure that can never be scaled Servers and containers that are never modified after deployment — changes are made by replacing, not patching Infrastructure that is locked to a single cloud provider Infrastructure provisioned manually and kept unchanged

Correct Answer:

Servers and containers that are never modified after deployment — changes are made by replacing, not patching

Exam overview

About this Exam

Prepare with the Certified DevOps Master (CDM) practice quiz. This question bank includes 40 questions covering devops, continuous, master, equipment, and professionals. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Certified DevOps Master (CDM)

This practice set contains 40 questions from the matching question bank and focuses on devops, continuous, master, equipment, and professionals. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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About this Exam

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Certified DevOps Master (CDM)

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