Free Docker DCA Exam Questions

Become Docker Certified with updated DCA exam questions and correct answers

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Total 185 Questions | Updated On: Nov 13, 2024

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Question 1

Which of the following is true about overlay networks?

A : erlay networks are created only on the manager node that you created the overlay networking on

B : erlay networks are created on all cluster nodes when you create the overlay network.

C : erlay networks are first created on the manager nodes. Then they are created on the worker nodes once a task is scheduled on the specific worker node.

D : erlay networks are only created on the manager nodes.

Answer: B

Question 2

Following the principle of least privilege, which of the following methods can be used to securely grnt access to the specific user to communicate to a Docker engine? (Choose two.)

A : ilize the '--host 0.0.0.0:2375' option to the Docker daemon to listen on port 2375 over TCP on all interfaces

B : ilize openssl to create TLS client and server certificates, configuring the Docker engine to use with mutual TLS over TCP.

C : ilize the '--host 127.0.0.1:2375' option to the Docker daemon to listen on port 2375 over TCP on localhost

D : ve the user root access to the server to allow them to run Docker commands as root.

E : the user to the 'docker' group on the server or specify the grouè with the '--group' Docker daemon option.

Answer: A,B

Question 3

Will this command display a list of volumes for a specific container? Solution: 'docker container inspect nginx'

A :

B :

Answer: A

Question 4

You want to create a container that is reachable from its host's network. Does this action accomplish this? Solution: Use network attach to access the containers on the bridge network

A :

B :

Answer: B

Question 5

Some Docker images take time to build through a Continuous Integration environment. You want to

speed up builds and take advantage of build caching.

Where should the most frequently changed part of a Docker image be placed in a Dockerfile?

A : the bottom of the Dockerfile

B : ter the FROM directive

C : the top of the Dockerfile

D : the ENTRYPOINT directive

Answer: A

Page: 1 / 37

Total 185 Questions | Updated On: Nov 13, 2024

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