CKA Kubernetes Cluster Architecture Quiz

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2. What is the purpose of RBAC in Kubernetes cluster security?

Controls who can access resources based on roles

Encrypts all network traffic

Manages container images

Schedules pod deployments

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4. Which component is responsible for assigning IP addresses to pods?

Kube-proxy

Kubelet

CNI plugin

Kube-scheduler

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6. What is the role of a service in Kubernetes cluster architecture?

Provides a stable network endpoint for pods

Stores persistent data

Compiles container images

Monitors cluster metrics

7. Which port does the kube-apiserver typically listen on?

6379

6443

8080

2379

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9. What does the admission controller do in the API server?

Validates and mutates API requests

Schedules pods

Manages storage

Monitors node health

10. How does a worker node communicate with the control plane?

Through the kube-apiserver REST API

Direct socket connections

Message queues

Broadcast messages

11. Which component runs on the control plane and manages the Kubernetes API server?

Kubelet

Kube-apiserver

Kube-scheduler

Etcd

12. Which of the following is NOT a control plane component?

Kube-apiserver

Etcd

Kubelet

Kube-scheduler

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14. What is the purpose of the cloud-controller-manager component?

Manage cloud provider-specific controllers

Schedule all pods

Store cluster data

Pull container images

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16. Which network plugin is commonly used for pod-to-pod communication in Kubernetes?

Flannel or Calico

Docker networking

Host networking only

Bridge mode

17. What does the kube-controller-manager manage in a Kubernetes cluster?

API requests and responses

Multiple control loops including replication and node controllers

Container image pulling

Persistent volume allocation

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19. Which kubelet flag is used to specify the API server address?

--api-server

--kubeconfig

--master

--server-address

20. What is the primary role of etcd in a Kubernetes cluster?

Schedule pods on nodes

Store all cluster configuration and state data

Manage container runtimes

Handle pod networking

CKA Kubernetes Cluster Architecture Quiz

1. The kube-proxy component is responsible for ____.

2.

What first name or nickname would you like us to use?

2. What is the purpose of RBAC in Kubernetes cluster security?

3. High availability in a Kubernetes cluster typically requires ____ control plane nodes.

4. Which component is responsible for assigning IP addresses to pods?

5. The kubelet communicates with the container runtime via the ____ interface.

6. What is the role of a service in Kubernetes cluster architecture?

7. Which port does the kube-apiserver typically listen on?

8. The control plane stores cluster state in ____.

9. What does the admission controller do in the API server?

10. How does a worker node communicate with the control plane?

11. Which component runs on the control plane and manages the Kubernetes API server?

12. Which of the following is NOT a control plane component?

13. In Kubernetes, the kubelet runs on ____.

14. What is the purpose of the cloud-controller-manager component?

15. The Container Network Interface (CNI) specification allows ____.

16. Which network plugin is commonly used for pod-to-pod communication in Kubernetes?

17. What does the kube-controller-manager manage in a Kubernetes cluster?

18. The kube-scheduler is responsible for ____.

19. Which kubelet flag is used to specify the API server address?

20. What is the primary role of etcd in a Kubernetes cluster?