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Kubernetes Architecture Questions

Practice questions for Kubernetes Architecture topic in Kubernetes and Cloud Native Associate. 28 questions covering this domain.

28 questions10 easy15 medium3 hard
Q1
easy

Which Kubernetes control plane component stores the cluster's persistent state?

Q2
easy

Which control plane component runs controllers that reconcile the actual cluster state toward the desired state?

Q3
medium

A Pod has already been scheduled to a worker node, but its containers are not starting. Which node component is primarily responsible for ensuring the...

Q4
medium

Traffic sent to a ClusterIP Service must be forwarded to one of the Service backends on each node. Which component typically manages those forwarding ...

Q5
medium

A cluster running in a cloud provider needs to manage provider-specific resources such as load balancers and nodes. Which optional control plane compo...

Q6
easy

Which component is the front end for the Kubernetes control plane and exposes the Kubernetes HTTP API?

Q7
easy

A newly created Pod has no node assigned yet. Which component selects a suitable node for it?

Q8
medium

A Kubernetes cluster is configured to run workloads in a public cloud. The controller responsible for creating cloud provider load balancers and manag...

Q9
medium

A platform engineer needs to know where kubelet gets the PodSpec for a Pod running on a node. What is the most common source?

Q10
medium

An administrator wants to understand how a user's `kubectl delete pod` request flows through the cluster. Which is the correct order of component inte...

Q11
hard

A cluster has three control plane replicas for high availability. One replica's kube-apiserver is unresponsive. Which statement best describes the exp...

Q12
easy

Which Kubernetes node component is responsible for maintaining network rules on each node and enabling communication to Pods from inside or outside th...

Q13
medium

A new worker node joins the cluster but its Pods remain in Pending state due to incorrect node registration. Which component on the node is responsibl...

Q14
easy

What is the role of etcd in a Kubernetes cluster?

Q15
medium

A DNS add-on fails in a test cluster, but engineers can still reach the control plane directly. Which explanation best fits Kubernetes architecture?

Q16
easy

An operator wants a list that contains only control plane components. Which set fits that requirement?

Q17
easy

A cluster design diagram shows the minimum building blocks for Kubernetes. Which description is correct?

Q18
medium

An architect wants to list only Kubernetes add-ons, not core control plane components. Which set fits that requirement?

Q19
medium

A managed cloud team needs controller logic for load balancers and other provider integrations. Which component is designed for that when present?

Q20
medium

A worker-node hardening checklist should focus on software that actually runs on each node. Which set best fits?

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