CKA RBAC and Security

Question 1

What does RBAC stand for in Kubernetes?

Accepted Answer

Role-Based Access Control

Answer

RBAC (Role-Based Access Control) regulates access to Kubernetes resources based on the roles assigned to users or service accounts.

Question 2

What is a Kubernetes Secret?

Accepted Answer

An object that stores sensitive data like passwords and tokens

Answer

Secrets store sensitive information like passwords, API keys, and certificates, keeping them separate from Pod specs and container images.

Question 3

What is a ServiceAccount in Kubernetes?

Accepted Answer

An identity for processes running in Pods to interact with the API server

Answer

ServiceAccounts provide an identity for Pods to authenticate with the Kubernetes API server, controlling what resources processes can access.

Question 4

What is the principle of least privilege?

Accepted Answer

Granting only the minimum permissions needed to perform a task

Answer

The principle of least privilege means granting users and processes only the minimum level of access needed to perform their specific functions, reducing security risk.

Question 5

What is a NetworkPolicy in Kubernetes?

Accepted Answer

A resource that controls network traffic flow between Pods

Answer

NetworkPolicies define rules for which Pods can communicate with each other and with external endpoints, implementing network-level security.

(CKA) Certified Kubernetes Associate Practice Test

(CKA) Certified Kubernetes Associate Practice Test

CKA RBAC and Security