Question 1

Which of the following is true about overlay networks?

Options :

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

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

C : Overlay 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 : Overlay networks are only created on the manager nodes.

Answer: B

Question 2

Will this command ensure that overlay traffic between service tasks is encrypted? Solution: docker network create -d overlay -o encrypted=true

Options :

A : Yes

B : No

Answer: A

Question 3

Is this an advantage of multi-stage builds? Solution. better logical separation of Dockerfile instructions for increased readability

Options :

A : Yes

B : Yes

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

Options :

A : Yes

B : No

Answer: B

Question 5

Which set of commands can identify the publishd port(s) for a container? (Choose 1.)

Options :

A : 'docker port inspect', 'docker container inspect'

B : 'docker container inspect', docker port'

C : 'docker info','docker network inspect'

D : 'docker network inspect','docker port'

Answer: B

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