DevOps Kubernetes & Orchestration

Question 1

What is a Kubernetes Pod?

Accepted Answer

The smallest deployable unit containing one or more containers

Answer

A group of worker nodes in a cluster

Answer

A virtual network connecting microservices

Answer

A configuration object storing sensitive data

Question 2

What does a Kubernetes Deployment object manage?

Accepted Answer

Declarative updates and scaling of ReplicaSets and Pods

Answer

Routing external traffic to services inside the cluster

Answer

Persistent storage volumes for stateful applications

Answer

Cluster-wide configuration and secret management

Question 3

What is the role of the Kubernetes control plane?

Accepted Answer

Managing the overall cluster state, scheduling, and API requests

Answer

Running application workloads in containers

Answer

Providing persistent storage for stateful applications

Answer

Monitoring container health and restarting failed Pods

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 background process running inside a Pod

Answer

A batch job that runs to completion

Answer

A persistent storage claim for stateful applications

Question 5

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

Accepted Answer

ConfigMap

Answer

Secret

Answer

PersistentVolume

Answer

Ingress

Question 6

What command applies a Kubernetes manifest file to a cluster?

Accepted Answer

kubectl apply -f manifest.yaml

Answer

kubectl create -f manifest.yaml

Answer

kubectl run -f manifest.yaml

Answer

kubectl deploy -f manifest.yaml