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KCNA Container Orchestration Practice Question
Drag and drop the steps for a rolling update of a Kubernetes Deployment 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
✓
1. Change the image, 2. Apply the change, 3. Monitor the rollout, 4. Verify the health, 5. Rollback if issues
Change the image, apply, monitor rollout, verify health, and rollback if issues arise.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
1. Change the image, 2. Apply the change, 3. Monitor the rollout, 4. Verify the health, 5. Rollback if issues
Why this is correct
This order follows the expected workflow: first update the deployment configuration, then apply it, monitor the rollout status, verify the health of new pods, and finally rollback if any issues are detected.
- ✗
1. Change the image, 2. Monitor the rollout, 3. Apply the change, 4. Verify the health, 5. Rollback if issues
Why it's wrong here
Monitoring the rollout before applying the change is meaningless because the rollout hasn't started yet. The change must be applied first to trigger the update.
- ✗
1. Apply the change, 2. Change the image, 3. Monitor the rollout, 4. Verify the health, 5. Rollback if issues
Why it's wrong here
Applying the change before modifying the image is incorrect because there is no actual update to apply. The image change defines what the update should be.
- ✗
1. Change the image, 2. Apply the change, 3. Verify the health, 4. Monitor the rollout, 5. Rollback if issues
Why it's wrong here
Verifying health before monitoring the rollout is premature. The rollout process may still be ongoing; health checks should only occur after the rollout has completed or stabilized.
Go deeper
Related to this question
Learn chapter
Kubernetes Overview and Core Components
Key term
Kubernetes API Primitives
Kubernetes API Primitives are the basic building blocks that the Kubernetes API uses to represent and manage the state of a cluster, such as Pods, Services, Deployments, and Namespaces.
Key term
ReplicaSet and Replication
A ReplicaSet ensures a specified number of identical pod instances are running at all times in Kubernetes, using replication to maintain availability and stability.
About these practice questions
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.