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CKAD Practice Question: Application Environment, Configuration and Security

Match each Kubernetes concept to its definition.

Drag a concept onto its matching description — or click a concept then click the description.

Concepts
Matches

Virtual cluster for resource isolation

Runs one pod per node for system services

Runs a pod to completion; for batch processing

Automatically scales pods based on CPU/memory

Controls traffic flow between pods

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

Pod: Smallest deployable unit in Kubernetes that can contain one or more containers.

Correct matches are Pod with smallest deployable unit, Service with logical set and access policy, Deployment with declarative updates, and Ingress with external HTTP access. Common confusions include swapping Pod and Service definitions.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Pod: Smallest deployable unit in Kubernetes that can contain one or more containers.

    Why this is correct

    Pod is correctly defined as the smallest deployable unit.

  • Service: An abstraction that defines a logical set of Pods and a policy to access them.

    Why this is correct

    Service is correctly defined as an abstraction for Pod access.

  • Deployment: A controller that provides declarative updates for Pods and ReplicaSets.

    Why this is correct

    Deployment is correctly defined as a controller for declarative updates.

  • Ingress: An API object that manages external access to services in a cluster, typically HTTP.

    Why this is correct

    Ingress is correctly defined as managing external HTTP access.

  • Pod: An abstraction that defines a logical set of Pods and a policy to access them.

    Why it's wrong here

    Incorrect — this definition describes Service, not Pod.

  • Service: Smallest deployable unit in Kubernetes that can contain one or more containers.

    Why it's wrong here

    Incorrect — this definition describes Pod, not Service.

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

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.