Free Access Docker.DCA.v2023-07-08.q66 Practice Test (Page 6)

Question 21

In Docker Trusted Registry, how would a user prevent an image, for example 'nginx:latest' from being
overwritten by another user with push access to the repository?

A.Keep a backup copy of the image on another repository.

B.Use the DTR web UI to make the tag immutable.

C.Remove push access from all other users.

D.Tag the image with 'nginx:immutable'

Question 22

Which 'docker run' flag lifts cgroup limitations?

A.'docker run --isolation'

B.'docker run --privileged'

C.'docker run --cpu-period'

D.'docker run --cap-drop'

Question 23

What is the purpose of multi-stage builds?

A.Better caching when building Docker images

B.Faster image builds by allowing parallel execution of Docker builds

C.Optimizing images by copying artifacts selectively from previous stages

D.Better logical separation of Dockerfile instructions for better readability

Question 24

A company's security policy specifies that development and production containers must run on separate nodes in a given Swarm cluster.
Can this be used to schedule containers to meet the security policy requirements?
Solution: resource reservation

A.No

B.Yes

Question 25

You are troubleshooting a Kubernetes deployment called api, and want to see the events table for this object. Does this command display it?
Solution: kubectl events deployment api