CKAD kubectl create service Practice Question
Which TWO of the following are valid methods to create a Service in Kubernetes? (Select 2)
⚠ Common exam trap
Candidates often think that only imperative commands like `kubectl create service` or `kubectl expose` are valid, overlooking declarative methods like `kubectl apply`. They may also incorrectly assume `kubectl run` with `--port` creates a Service. Note that `kubectl expose` is indeed a valid method, so all three (A, B, E) are correct.
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 create service clusterip my-svc --tcp=80:80
Options A, B, and E are all valid methods to create a Service. Option A uses `kubectl create service clusterip` to directly create a ClusterIP Service. Option B uses the declarative approach with `kubectl apply -f service.yaml` to create a Service from a YAML definition. Option E (`kubectl expose deployment`) creates a Service that exposes an existing deployment. Although the question asks for two answers, in fact three of the options are valid methods.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
kubectl create service clusterip my-svc --tcp=80:80
Why this is correct
Valid: `kubectl create service clusterip` creates a Service directly.
- ✓
kubectl apply -f service.yaml
Why this is correct
Valid: `kubectl apply -f service.yaml` creates a Service if the YAML defines a Service.
- ✗
kubectl create deployment my-svc --image=nginx
Why it's wrong here
Invalid: `kubectl create deployment` creates a Deployment, not a Service.
- ✗
kubectl run my-svc --image=nginx --port=80
Why it's wrong here
Invalid: `kubectl run` creates a Pod, not a Service.
- ✓
kubectl expose deployment my-deploy --port=80
Why this is correct
Valid: `kubectl expose deployment` creates a Service that exposes the deployment.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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