CKAD Application Deployment Practice Question
Which THREE components are essential for setting up Horizontal Pod Autoscaling (HPA) based on CPU utilization? (Select three)
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
✓
An HPA resource targeting the Deployment
HPA requires metrics-server to collect CPU metrics, CPU resource requests set on containers so HPA can calculate utilization, and the HPA resource itself targeting the Deployment. Therefore, options C, D, and E are correct.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A readiness probe on the pod
Why it's wrong here
Not required for CPU-based HPA.
- ✗
A Service of type LoadBalancer
Why it's wrong here
Not required for HPA.
- ✓
An HPA resource targeting the Deployment
Why this is correct
The HPA defines the scaling policy.
- ✓
metrics-server installed in the cluster
Why this is correct
Provides CPU metrics.
- ✓
CPU resource requests set on the container
Why this is correct
HPA uses requests to calculate utilization.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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