KCNA Container Orchestration Practice Question
What is the purpose of a Readiness Probe in a Kubernetes pod?
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
✓
To check if the container is ready to start accepting traffic
A Readiness Probe indicates whether a pod is ready to serve traffic; if it fails, the pod is removed from Service endpoints.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
To ensure the pod is scheduled on a specific node
Why it's wrong here
Node selection is done via nodeSelector.
- ✗
To restart the container if it becomes unresponsive
Why it's wrong here
That's liveness probe.
- ✓
To check if the container is ready to start accepting traffic
Why this is correct
Readiness probe signals readiness to serve.
- ✗
To check if the container is running
Why it's wrong here
That's a liveness probe.
Go deeper
Related to this question
Learn chapter
Kubernetes Overview and Core Components
Key term
ReplicaSet and Replication
A ReplicaSet ensures a specified number of identical pod instances are running at all times in Kubernetes, using replication to maintain availability and stability.
Key term
Kubernetes API Primitives
Kubernetes API Primitives are the basic building blocks that the Kubernetes API uses to represent and manage the state of a cluster, such as Pods, Services, Deployments, and Namespaces.
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