200-901 Application Deployment and Security Practice Question

A developer needs to apply a Kubernetes deployment manifest from a file named 'deployment.yaml'. Which kubectl command should be used?

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

✓

kubectl apply -f deployment.yaml

kubectl apply -f creates or updates resources from a file. get, describe, and create are not used for applying manifests.

Answer analysis

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

✓
kubectl apply -f deployment.yaml
Why this is correct
apply creates or updates resources from file.
✗
kubectl create deployment.yaml
Why it's wrong here
create is used with resource types, not directly with file.
✗
kubectl describe -f deployment.yaml
Why it's wrong here
describe shows details of existing resources.
✗
kubectl get -f deployment.yaml
Why it's wrong here
get retrieves resources, does not apply.

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