Which kubectl command rolls back a Deployment named 'web' to the previous revision?

kubectl rollout revert deployment/web

kubectl rollout history deployment/web --revert

kubectl rollout undo deployment/web

kubectl rollout rollback deployment/web

A Deployment named 'api' currently has 3 replicas. The team expects a traffic spike and wants to increase the number of running pods to 10. Which command achieves this?

kubectl autoscale deployment api --min=10 --max=10

kubectl set image deployment/api api=myapp:v2

kubectl rollout status deployment/api

kubectl scale deployment api --replicas=10

A team updates a Deployment's image, but the new pods are failing readiness checks. The rollout is stuck. Which command would show the reason for the rollout being stuck?

kubectl describe deployment myapp

kubectl scale deployment myapp --replicas=3

kubectl rollout history deployment/myapp

A Deployment runs a service that must have zero downtime during updates, but the team also wants to minimize the number of extra pods created to save resources. Which strategy configuration best balances these requirements?

RollingUpdate with maxSurge: 2 and maxUnavailable: 0

RollingUpdate with maxSurge: 1 and maxUnavailable: 0

RollingUpdate with maxSurge: 0 and maxUnavailable: 1

Certified Kubernetes Application Developer (CKAD)

Domain 2Objective 2

Understand Deployments and How to Perform Rolling Updates CKAD Practice Questions (Page 2)

Part of the Application Deployment domain, which accounts for 20% of the CKAD exam. Linux Foundation does not publish an official question count, but from its 120-minute exam (~50–80 total, ~10–16 in this domain), expect 3–4 from this objective — we provide 29 practice questions to prepare you well beyond it. (estimate)

29questions here

6free pages

10concepts

20%of the exam

Questions 6–10

6foundation · easy
Which kubectl command rolls back a Deployment named 'web' to the previous revision?
Select an answer first
7application · easy
A Deployment named 'api' currently has 3 replicas. The team expects a traffic spike and wants to increase the number of running pods to 10. Which command achieves this?
Select an answer first
8application · medium
A team updates a Deployment's image, but the new pods are failing readiness checks. The rollout is stuck. Which command would show the reason for the rollout being stuck?
Select an answer first
9expert · medium
A Deployment has 4 replicas and uses the RollingUpdate strategy with maxSurge: 1 and maxUnavailable: 1. The team updates the image. What is the minimum number of pods that will be available during the update?
Select an answer first
10expert · hard
A Deployment runs a service that must have zero downtime during updates, but the team also wants to minimize the number of extra pods created to save resources. Which strategy configuration best balances these requirements?
Select an answer first

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