Docker Test 2

Question 1

When a Container is formed from an image, which Dockerfile command is specified as the default application?

Accepted Answer

ENTRYPOINT

Answer

ENV

Answer

ADD

Answer

CMD

Question 2

Which Dockerfile command provides a mount point within the Container that connects it to the Docker Host's file systems?

Accepted Answer

VOLUME

Answer

RUN

Answer

WORKDIR

Answer

EXPOSE

Question 3

Is this a UCP function?

Solution: analyzes photos to look for any security flaws.

Accepted Answer

No

Answer

Yes

Question 4

Which of the following instructions is most commonly used to specify default arguments for an ENTRYPOINT command?

Accepted Answer

CMD

Answer

RUN

Answer

ADD

Answer

VOLUME

Question 5

Which of the following commands can be used to tell Docker that certain ports are used by containers?

Accepted Answer

EXPOSE

Answer

RUN

Answer

ENV

Answer

Both of the above

Question 6

ARG variables, like ENV variables, are stored in the created image.

Accepted Answer

False

Answer

True

Question 7

Which of the following patterns would prevent the copying of all Phyton byte-code files during the Docker image generation process?

Accepted Answer

**/*.pyc

Answer

**.pyc

Answer

/*.pyc

Answer

*.pyc

Question 8

A production host using the devicemapper as a storage driver should employ which of the following lvm modes?

Accepted Answer

direct-lvm

Answer

overlay

Answer

zfs

Answer

loop-lvm

Question 9

Which of the following settings will allow you to SSH into a Docker container named 'nginx' that is currently running?

Accepted Answer

docker exec -it nginx /bin/sh

Answer

docker ssh -it nginx /bin/sh

Answer

docker run -it nginx /bin/sh

Answer

docker inspect webserver