Question 1

What is the purpose of multi-stage builds?

Options :

A : Better logical separation of Dockerfile instructions for better readability

B : Optimizing images by copying artifacts selectively from previous stages

C : Better caching when building Docker images

D : Faster image builds by allowing parallel execution of Docker builds

Answer: B

Question 2

You configure a local Docker engine to enforce content trust by setting the environment variable DOCKER_CONTENT_TRUST=1. If myorg/myimage: 1.0 is unsigned, does Docker block this command? Solution: docker container run myorg/myimage:1.0

Options :

A : Yes

B : No

Answer: A

Question 3

Does this command display all the pods in the cluster that are labeled as 'env: development'? Solution: 'kubectl get pods --all-namespaces -label env=development'

Options :

A : Yes

B : No

Answer: B

Question 4

Will this configuration achieve fault tolerance for managers in a swarm? Solution: one manager node for two worker nodes

Options :

A : Yes

B : No

Answer: B

Question 5

Does this describe the role of Control Groups (cgroups) when used with a Docker container? Solution: user authorization to the Docker API

Options :

A : Yes

B : No

Answer: B

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