FREE Docker Certified Associate Trivia Questions and Answers

Question 1

If the docker engine does not serve as a manager node for the docker swarm, how may overlay networks be created?

Accepted Answer

True

Answer

False

Question 2

Which of the subsequent claims is true? Select exactly two statements.

Accepted Answer

Image is a collection of immutable layers whereas container is a running instance of an image.

Answer

Only one container can be spawned from a given image at a time

Answer

Container can exist without the image but image cannot exist without container

Question 3

Which of the following parameters would allow you to SSH into an active "nginx" Docker container?

Accepted Answer

docker exec -it nginx /bin/sh

Answer

docker run -it nginx /bin/sh

Answer

docker ssh -it nginx /bin/sh

Answer

docker inspect webserver

Question 4

On AWS, you are creating a brand-new Docker Swarm. You must make sure that neither the Security Group Rules nor the Network Access Control List are blocking traffic between hosts. Which of the following statements accurately describes every port that needs to be open between Docker hosts?

Accepted Answer

TCP/2377, TCP/7946, and UDP/7946

Answer

TCP/7946 and UDP/2377

Answer

TCP/2377 and TCP/4789

Answer

TCP/2377 and UDP/2377

Question 5

Which of the commands can be used to view an IPv4 network's subnet?

Accepted Answer

docker network inspect

Answer

docker info network

Answer

docker network is

Answer

docker network info

Question 6

How can John launch a container that utilizes the json-file log driver when he has configured his Docker daemon to use the syslog log driver by default?

Accepted Answer

By using “--log-driver json-file” along with docker run

Answer

By using “--logger json-file” along with docker run

Answer

By using “--log-opt json-file” along with docker run

Answer

None of the above

Question 7

What commands are valid to run global services in Docker swarm?

Accepted Answer

docker service create --mode global

Answer

docker service create --global

Answer

docker swarm create --global

Answer

docker swarm create --mode global