CKA Security

Question 1

What is the primary purpose of Role-Based Access Control (RBAC) in Kubernetes?

Accepted Answer

To control access to Kubernetes resources based on user roles.

Answer

To define which Pods can communicate with each other.

Answer

To provide secure API communication using TLS certificates.

Answer

To encrypt data stored in ETCD.

Question 2

Which Kubernetes resource is used to securely store sensitive data like API keys and passwords?

Accepted Answer

Secret

Answer

ConfigMap

Answer

PersistentVolume

Answer

ServiceAccount

Question 3

How can you enforce API access policies for specific users or groups in Kubernetes?

Accepted Answer

By configuring Role and RoleBinding objects.

Answer

By creating a ServiceAccount.

Answer

By defining Network Policies.

Answer

By applying taints and tolerations.

Question 4

What is the purpose of a Network Policy in Kubernetes?

Accepted Answer

To control Pod communication at the network level.

Answer

To encrypt traffic between Pods.

Answer

To implement TLS for Kubernetes API access.

Answer

To restrict API access to specific users.

Question 5

Which of the following ensures that Pods run with restricted permissions in Kubernetes?

Accepted Answer

Security Context

Answer

RBAC Policies

Answer

Pod Disruption Budget

Answer

Node Affinity