CKA Container Fundamentals

Question 1

What is the primary benefit of containerization over virtual machines?

Accepted Answer

Containers share the host OS kernel and are lighter weight

Answer

Containers provide stronger isolation

Answer

Containers require more resources

Answer

Containers can only run Linux

Question 2

What is Docker Hub?

Accepted Answer

A cloud-based registry for storing and sharing container images

Answer

A physical data center

Answer

A container runtime

Answer

A Kubernetes component

Question 3

What is a container image?

Accepted Answer

A read-only template containing the application and its dependencies

Answer

A running instance of an application

Answer

A virtual machine snapshot

Answer

A configuration file

Question 4

What is the purpose of a Dockerfile?

Accepted Answer

To define instructions for building a container image

Answer

To configure Kubernetes clusters

Answer

To manage network settings

Answer

To store application logs

Question 5

What command starts a container from an image?

Accepted Answer

docker run

Answer

docker build

Answer

docker pull

Answer

docker push

Question 6

What is container orchestration?

Accepted Answer

Automated management of container deployment, scaling, and networking

Answer

Manual container management

Answer

Building container images

Answer

Writing application code