DevOps Kubernetes & Orchestration

Question 1

What is a Kubernetes Pod?

Accepted Answer

The smallest deployable unit containing one or more containers

Answer

A Pod is the smallest and simplest Kubernetes object, representing one or more containers that share network, storage, and a lifecycle.

Question 2

What does a Kubernetes Deployment object manage?

Accepted Answer

Declarative updates and scaling of ReplicaSets and Pods

Answer

A Deployment manages a ReplicaSet to ensure the desired number of identical Pods are running and handles rolling updates and rollbacks.

Question 3

What is the role of the Kubernetes control plane?

Accepted Answer

Managing the overall cluster state, scheduling, and API requests

Answer

The control plane components (API server, etcd, scheduler, controller manager) make global decisions about the cluster and respond to cluster events.

Question 4

What is a Kubernetes Service?

Accepted Answer

An abstraction that provides a stable network endpoint to access a set of Pods

Answer

A Kubernetes Service provides a stable IP and DNS name that load-balances traffic across matching Pods regardless of their ephemeral IPs.

Question 5

Which Kubernetes object stores configuration data as key-value pairs?

Accepted Answer

ConfigMap

Answer

A ConfigMap stores non-confidential configuration data as key-value pairs that can be injected into Pods as environment variables or mounted as files.

DevOps Practice Test

DevOps Practice Test

DevOps Kubernetes & Orchestration