Free Access Docker.DCA.v2022-05-09.q63 Practice Test (Page 9)

Question 36

Which of the following is true about overlay networks?

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

B.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.

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

D.Overlay networks are only created on the manager nodes.

Question 37

When an application being managed by UCP fails, you would like a summary of all requests made to the UCP API in the hours leading up to the failure.
What must be configured correctly beforehand for this to be possible?

A.UCP audit logs must be set to the metadata' or request' level.

B.Set the logging level in theconfig object for the ucp-kube-api-server container to warning or higher.

C.All engines in the cluster must have their log driver set to the metadata' or request' level.

D.UCP logging levels must be set to the info' or debug' level.

Question 38

Which 'docker run' flag lifts cgroup limitations?

A.'docker run --cap-drop'

B.'docker run --privileged'

C.'docker run --cpu-period'

D.'docker run --isolation'

Question 39

Will this configuration achieve fault tolerance for managers in a swarm?
Solution: an odd number of manager nodes, totaling more than two

A.Yes

B.No

Question 40

An application image runs in multiple environments, and each environment uses different certificates and ports, what is the best practice to deploy the containers?

A.Create images that contain the specific configuration for every environment.

B.Create a config file for each environment.

C.Create a Dockerfile for each environment, specifying ports and Docker secrets for certificates.

D.Create a Dockerfile for each environment, specifying ports and ENV variables for certificates.

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Question 36

Question 37

Question 38

Question 39

Question 40

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