What is Kubernetes - Quick Revision & Key Takeaways

Recall & Review

beginner

What is Kubernetes?

Kubernetes is a tool that helps run and manage many containers across many computers easily. It makes sure your apps keep running and can grow when needed.

beginner

What is a container in Kubernetes?

A container is a small package that holds an app and everything it needs to run. Kubernetes manages these containers to keep apps working smoothly.

beginner

Why use Kubernetes instead of just running containers alone?

Kubernetes helps by automatically fixing problems, adding more containers when needed, and organizing containers across many computers so apps don’t stop working.

intermediate

What is a Pod in Kubernetes?

A Pod is the smallest unit in Kubernetes. It holds one or more containers that share resources and work together.

intermediate

How does Kubernetes help with app updates?

Kubernetes can update apps without stopping them by slowly replacing old containers with new ones, so users don’t see any downtime.

What does Kubernetes primarily manage?

A Containers

B Databases

C Web browsers

D Operating systems

Kubernetes manages containers, which are packages of apps and their dependencies.

What is the smallest deployable unit in Kubernetes?

A Node

B Cluster

C Service

D Pod

A Pod is the smallest unit that Kubernetes deploys, containing one or more containers.

How does Kubernetes help when an app container crashes?

A It deletes the app

B It ignores the crash

C It restarts the container automatically

D It sends an email

Kubernetes automatically restarts containers if they crash to keep apps running.

Which feature allows Kubernetes to add more containers when app demand grows?

A Scaling

B Logging

C Networking

D Storage

Scaling lets Kubernetes add or remove containers based on app demand.

What is a Kubernetes cluster?

A A single computer

B A group of computers working together

C A type of container

D A programming language

A cluster is many computers joined to run containers managed by Kubernetes.

Explain what Kubernetes is and why it is useful for running applications.

Think about how apps need to keep running and grow without manual work.

Describe the role of a Pod in Kubernetes.

Pods group containers that work together.