Containers and VMs Quiz

• newEditor

What do containers encapsulate?

A

Complete operating systems

B

Applications and their environments

How does containerisation benefit deployment?

A

Reduces dependency issues

B

Requires special configuration

What is a key feature of containers?

A

Runs on hypervisors

B

Lightweight virtualisation method

What is the average container size?

A

Several gigabytes

B

Tens of megabytes

How quickly can containers be provisioned?

A

Several minutes

B

1-2 seconds

What do containers share with each other?

A

Host OS kernel

B

Complete operating systems

What is one advantage of containers?

A

Higher operating costs

B

Lower resource usage

What does a Dockerfile define?

A

Container environment instructions

B

Complete operating system setup

What do virtual machines use for isolation?

A

Hypervisors

B

Shared kernels

What is a disadvantage of containers?

A

Less isolation than VMs

B

More flexibility in OS

What do Docker images consist of?

A

Complete server environments

B

Code, configurations, dependencies

What is Docker Hub used for?

A

Sharing container images

B

Running applications directly

What is the purpose of Docker Desktop?

A

Hypervisor management tool

B

Development environment for Windows

What can containers enable for development?

A

Increased server costs

B

Faster testing and deployment

What happens when container load increases?

A

New containers are created

B

Existing containers are destroyed