Free Access Docker.DCA.v2024-01-24.q108 Practice Test (Page 22)

Question 101

Which of these swarm manager configurations will cause the cluster to be in a lost quorum state?

A.5 managers of which 3 are healthy

B.4 managers of which 2 are healthy

C.1 manager of which 1 is healthy

D.3 managers of which 2 are healthy

Question 102

Is this a supported user authentication method for Universal Control Plane?
Solution. SAML

A.Yes

B.No

Question 103

You are troubleshooting a Kubernetes deployment called api, and want to see the events table for this object. Does this command display it?
Solution: kubectl describe deployment api

A.No

B.Yes

Question 104

The following health check exists in a Dockerfile:
'HEALTCHECK CMD curl --fail http://localhost/health || exit 1'
Which of the following describes its purpose?

A.Defines the health check for the containerized application so that the application health can be monitored by the Docker engine

B.Defines the action taken when container health fails, which in this case will kill the container with exit status 1

C.Defines the health check endpoint on the localhost interface for external monitoring tools to monitor the health of the docker engine.

D.Defines the health check endpoint on the local host interface for containers to monitor the health of the docker engine.

Question 105

A users attempts to set the system time from inside a Docker container are unsuccessful. Could this be blocking this operation?
Solution: inter-process communication