Docker Certified Associate (DCA) Test Review Questions Set 5 – Installation and Configuration Part 1
Docker Certified Associate Test Review Questions Set 5 - Installation and Configuration Part 1
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Question 1 |
What is the docker command to setup a swarm?
A | docker swarm create |
B | docker create swarm |
C | docker swarm init |
D | docker init swarm |
Question 1 Explanation:
Reference:
https://docs.docker.com/engine/reference/commandline/swarm/
Question 2 |
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 2 Explanation:
Reference:
https://docs.docker.com/datacenter/ucp/2.2/guides/admin/backups-and-disaster-recovery/#backup-steps
Question 3 |
What is the docker command to find the current logging driver for a running container?
A | docker inspect |
B | docker info |
C | docker stats |
D | docker config |
Question 3 Explanation:
Reference:
https://docs.docker.com/engine/admin/logging/overview/#configure-the-logging-driver-for-a-container
Question 4 |
How to configure the default logging driver?
A | Set the "log-driver" option in the daemon.json file |
B | Use --log-driver flag |
Question 4 Explanation:
Reference:
https://docs.docker.com/engine/admin/logging/overview/#configure-the-default-logging-driver
Question 5 |
What is the recommended approach to set storage driver?
A | Set the "storage-driver" option in the daemon.json file |
B | Use --storage-driver flag when running dockerd |
Question 5 Explanation:
Reference:
https://docs.docker.com/engine/userguide/storagedriver/selectadriver/#check-and-set-your-current-storage-driver
Question 6 |
What is the docker command to see the storage driver Docker is currently using?
A | docker config |
B | docker info |
C | docker stats |
D | docker inspect |
Question 6 Explanation:
Reference:
https://docs.docker.com/engine/userguide/storagedriver/selectadriver/#check-and-set-your-current-storage-driver
Question 7 |
What is the docker command to backup the UCP?
A | docker backup ucp |
B | docker/ucp backup |
Question 7 Explanation:
Reference:
https://docs.docker.com/datacenter/ucp/2.2/reference/cli/backup/
Question 8 |
What is the docker command to add a node to a swarm?
A | docker swarm join |
B | docker swarm create-node |
C | docker swarm add-node |
D | docker join swarm |
Question 8 Explanation:
Reference:
rhttps://docs.docker.com/engine/reference/commandline/swarm/#usage
Question 9 |
What is the correct order to upgrade a Docker cluster?
A | Upgrade engine and kernel, DTR, and then UCP |
B | Upgrade engine and kernel, UCP, and then DTR |
C | Upgrade UCP, DTR, then engine and kernel |
D | Upgrade DTR, UCP, 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 are the requirements to install Docker Trusted Registry (DTR)? (Select all that apply)
A | Make sure the port 8080 and 8443 are open on the node |
B | DTR can be installed on-premises or on a cloud provider |
C | All nodes must have a fixed hostname |
D | All nodes must be a worker node managed by Universal Control Plan |
Question 10 Explanation:
Reference:
https://docs.docker.com/datacenter/dtr/2.4/guides/admin/install/system-requirements/
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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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