Which kubectl command creates a Deployment named 'webapp' with 3 replicas using the image 'nginx:1.25'?

kubectl create pod webapp --image=nginx:1.25 --replicas=3

kubectl run webapp --image=nginx:1.25 --replicas=3

kubectl apply deployment webapp --image=nginx:1.25 --replicas=3

kubectl create deployment webapp --image=nginx:1.25 --replicas=3

A team needs to create a Deployment named 'web' with 2 replicas using image 'nginx:1.25'. They want to use kubectl to create it imperatively. Which command should they run?

kubectl create deployment web --image=nginx:1.25 --replicas=2

kubectl scale deployment web --replicas=2

kubectl run web --image=nginx:1.25 --replicas=2

kubectl apply -f deployment.yaml

A Deployment 'svc' is in the middle of a rolling update. The team needs to make two additional changes to the pod template. They want to avoid triggering a new rollout until both changes are applied. What should they do?

Use kubectl rollout restart after applying the changes

Delete the Deployment and recreate it with all changes

Apply the changes one at a time, waiting for each rollout to complete

Pause the Deployment, apply both changes, then resume the Deployment

What happens when you increase the replica count of a Deployment from 3 to 6?

The Deployment updates the ReplicaSet to have 6 replicas, but no pods are created until the next rollout.

The Deployment restarts all existing pods to apply the new replica count.

The Deployment creates 6 new pods and deletes the original 3.

The Deployment creates 3 new pods to reach the desired state of 6.

Certified Kubernetes Administrator (CKA)

Domain 3Objective 1

Understand Application Deployments and How to Perform Rolling Update and Rollbacks CKA Practice Questions (Page 4)

Part of the Workloads and Scheduling domain, which accounts for 15% of the CKA exam. Linux Foundation does not publish an official question count, but from its 120-minute exam (~50–80 total, ~8–12 in this domain), expect 2–2 from this objective — we provide 22 practice questions to prepare you well beyond it. (estimate)

22questions here

5free pages

8concepts

15%of the exam

Questions 16–20

16foundation · easy
Which kubectl command creates a Deployment named 'webapp' with 3 replicas using the image 'nginx:1.25'?
Select an answer first
17application · easy
A team needs to create a Deployment named 'web' with 2 replicas using image 'nginx:1.25'. They want to use kubectl to create it imperatively. Which command should they run?
Select an answer first
18expert · medium
A Deployment 'svc' is in the middle of a rolling update. The team needs to make two additional changes to the pod template. They want to avoid triggering a new rollout until both changes are applied. What should they do?
Select an answer first
19foundation · easy
What happens when you increase the replica count of a Deployment from 3 to 6?
Select an answer first
20expert · medium
A Deployment 'app' has 5 replicas. The team updates the image and sets maxSurge to 100% and maxUnavailable to 0%. What is the maximum number of pods that will be running at any point during the rollout?
Select an answer first

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