KCNA Kubernetes Fundamentals Practice Question
Which two of the following are responsibilities of the kubelet? (Select TWO.)
⚠ Common exam trap
This certification exam often tests the distinction between the kubelet and other control plane components like the kube-scheduler or kube-proxy, so candidates must remember that the kubelet is a node-level agent focused on pod lifecycle and node status, not scheduling or networking.
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
✓
Reporting the node's status to the control plane
The kubelet is the primary node agent that registers the node with the Kubernetes control plane and periodically reports the node's status, including conditions like Ready, DiskPressure, and MemoryPressure, via the NodeStatus API. This heartbeat mechanism allows the control plane to maintain an accurate view of cluster health and node availability.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Reporting the node's status to the control plane
Why this is correct
The kubelet sends node status updates to the API server.
- ✗
Implementing network rules for services
Why it's wrong here
kube-proxy implements network rules.
- ✗
Assigning pods to nodes based on resource availability
Why it's wrong here
This is the scheduler's job.
- ✗
Storing cluster state in a key-value store
Why it's wrong here
etcd stores cluster state.
- ✓
Ensuring that containers are running in a pod as specified
Why this is correct
The kubelet receives PodSpecs and ensures containers are healthy.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This KCNA practice question is part of Courseiva's free CNCF 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 KCNA exam.