Docker Certified Associate (DCA) Test Review Questions Set 5 - Installation and Configuration Part 1

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Docker Certified Associate (DCA) Test Review Questions Set 5 – Installation and Configuration Part 1

Dec 24, 2017 by Trijito Santoso in Certification

Docker Certified Associate Test Review Questions Set 5 - Installation and Configuration Part 1

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Congratulations - you have completed Docker Certified Associate Test Review Questions Set 5 - Installation and Configuration Part 1. You scored %%SCORE%% out of %%TOTAL%%. Your performance has been rated as %%RATING%%

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Question 1

What are the requirements to install Docker Trusted Registry (DTR)? (Select all that apply)

A	All nodes must be a worker node managed by Universal Control Plan
B	Make sure the port 8080 and 8443 are open on the node
C	DTR can be installed on-premises or on a cloud provider
D	All nodes must have a fixed hostname

Question 1 Explanation:

Reference: https://docs.docker.com/datacenter/dtr/2.4/guides/admin/install/system-requirements/

Question 2

What is the docker command to find the current logging driver for a running container?

A	docker config
B	docker inspect
C	docker info
D	docker stats

Question 2 Explanation:

Reference: https://docs.docker.com/engine/admin/logging/overview/#configure-the-logging-driver-for-a-container

Question 3

How to configure the default logging driver?

A	Set the "log-driver" option in the daemon.json file
B	Use --log-driver flag

Question 3 Explanation:

Reference: https://docs.docker.com/engine/admin/logging/overview/#configure-the-default-logging-driver

Question 4

What is the recommended approach to set storage driver?

A	Use --storage-driver flag when running dockerd
B	Set the "storage-driver" option in the daemon.json file

Question 4 Explanation:

Reference: https://docs.docker.com/engine/userguide/storagedriver/selectadriver/#check-and-set-your-current-storage-driver

Question 5

What is the docker command to backup the UCP?

A	docker backup ucp
B	docker/ucp backup

Question 5 Explanation:

Reference: https://docs.docker.com/datacenter/ucp/2.2/reference/cli/backup/

Question 6

What is the docker command to setup a swarm?

A	docker swarm init
B	docker create swarm
C	docker swarm create
D	docker init swarm

Question 6 Explanation:

Reference: https://docs.docker.com/engine/reference/commandline/swarm/

Question 7

What is the docker command to see the storage driver Docker is currently using?

A	docker config
B	docker info
C	docker inspect
D	docker stats

Question 7 Explanation:

Reference: https://docs.docker.com/engine/userguide/storagedriver/selectadriver/#check-and-set-your-current-storage-driver

Question 8

What is the correct order to backup Docker EE components?

A	Back up UCP, swarm, then DTR
B	Back up swarm, DTR, then UCP
C	Back up swarm, UCP, then DTR
D	Back up DTR, UCP, then swarm

Question 8 Explanation:

Reference: https://docs.docker.com/datacenter/ucp/2.2/guides/admin/backups-and-disaster-recovery/#backup-steps

Question 9

What is the correct order to upgrade a Docker cluster?

A	Upgrade DTR, UCP, then engine and kernel
B	Upgrade engine and kernel, DTR, and then UCP
C	Upgrade engine and kernel, UCP, and then DTR
D	Upgrade UCP, DTR, then engine and kernel

Question 9 Explanation:

Reference: https://success.docker.com/article/Upgrade_an_entire_cluster_with_CentOS,_Docker_Engine,_UCP,_and_DTR

Question 10

What is the docker command to add a node to a swarm?

A	docker swarm add-node
B	docker swarm create-node
C	docker swarm join
D	docker join swarm

Question 10 Explanation:

Reference: rhttps://docs.docker.com/engine/reference/commandline/swarm/#usage

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NOTES: For other review question sets and resources, you may want to check Docker Certified Associate (DCA) Certification Test Resources page.

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