200-901 Application Deployment and Security Practice Question
A Kubernetes deployment is configured with replicas: 3. During a rolling update, the deployment strategy is set to RollingUpdate with maxSurge: 1 and maxUnavailable: 0. What is the maximum number of pods that will be running during the update?
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
✓
4
With maxSurge=1, one extra pod can be created above the desired 3, and maxUnavailable=0 ensures no pods are taken down before new ones are ready. So the maximum is 4 pods.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
4
Why this is correct
Correct. Desired 3 + maxSurge 1 = 4 maximum pods.
- ✗
6
Why it's wrong here
Incorrect. That would require maxSurge=3.
- ✗
5
Why it's wrong here
Incorrect. The math is 3+1=4, not 5.
- ✗
3
Why it's wrong here
Incorrect. maxSurge allows an extra pod.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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