200-901 Application Deployment and Security Practice Question
A Kubernetes Deployment has replicas: 3. The team updates the container image to a new version. The rollout gets stuck because the new pod fails readiness probes. Which kubectl command will display the rollout status and help diagnose the issue?
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 rollout status deployment/my-deployment
kubectl rollout status deployment/my-deployment shows the progress. If stuck, it indicates failure. kubectl describe pod can show probe details.
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 get pods -l app=my-deployment
Why it's wrong here
Lists pods but not rollout status.
- ✗
kubectl logs deployment/my-deployment
Why it's wrong here
Logs from pods, not rollout status.
- ✗
kubectl describe deployment my-deployment
Why it's wrong here
Shows deployment details but not real-time rollout status.
- ✓
kubectl rollout status deployment/my-deployment
Why this is correct
Shows rollout progress and can indicate failure.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-901 practice question is part of Courseiva's free Cisco 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 200-901 exam.