Free Docker Certified Associate Questions and Answers

Question 1

What is the Docker container's default container format?

Accepted Answer

libcontainer

Answer

Application Container Image (ACI)

Answer

LXD

Answer

None of the above

Question 2

On your local machine, a five-node swarm cluster has been deployed. What will happen if the cluster's sole manage node fails?

Accepted Answer

swarm services will continue to run

Answer

no action will be taken

Answer

all member nodes will perform a re-election among them to elect a new manager

Answer

swarm cluster will stop all the processes until user configures a new manager of the cluster.

Question 3

What command is used to backup Docker containers among the list below?

Accepted Answer

docker export

Answer

docker tar -cvf

Answer

docker save

Answer

none of the above

Question 4

How can a running container on a Linux host be interpreted?

Accepted Answer

a process

Answer

a program

Answer

a file

Answer

an application

Question 5

Which process's output will the docker attach command make available on the terminal as standard output?

Accepted Answer

ENTRYPOINT/CMD

Answer

FROM

Answer

EXPOSE

Answer

RUN

Question 6

Which of the following is NOT a Docker Swarm node type?

Accepted Answer

master

Answer

worker

Answer

manager

Answer

none of the above

Question 7

Which of the aforementioned commands should be used to establish a MySQL 5.4 database container?

Accepted Answer

docker create --name database mysql:5.4

Answer

docker create --name database --image mysql:5.4

Answer

docker run --name database mysql:5.4

Answer

docker run --name database --image mysql:5.4