Free Access Docker.DCA.v2022-05-09.q63 Practice Test (Page 11)

Question 46

Wha is the purpose of Docker Content Trust?

A.Signing and verification of image tags

B.Docker registry TLS verification and encryption

C.Enabling mutual TLS between the Docker client and server

D.Indicating an image on Docker Hub is an official image

Question 47

Which of the following commands starts a Redis container and configures it to always restart unless it is
explicitly stopped or Docker is restarted?

A.'docker run -d --restart-policy unless-stopped redis'

B.'docker run -d --restart unless-stopped redis'

C.'docker run -d --failure omit-stopped redis'

D.'docker run -d --restart omit-stopped redis'

Question 48

You want to provide a configuration file to a container at runtime. Does this set of Kubernetes tools and steps accomplish this?
Solution: Mount the configuration file directly into the appropriate pod and container using the .spec.containers.configMounts key.

A.Yes

B.No

Question 49

What is the difference between a resource limit and a resource reservation when scheduling services?

A.A resource limit is used to find a host with adequate resources for scheduling a hard limit for your service, while a reservation is hard limit for your service.

B.A resource limit and a resource reservation can be used interchangeably.

C.A resource limit is hard limit for your service, while a reservation is used to find a host with adequate resources for scheduling. Correct

D.A resource limit is a soft limit for your service, while a reservation is hard limit and the docker engine will do its best to keep your service at the limit.

Question 50

A company's security policy specifies that development and production containers must run on separate nodes in a given Swarm cluster.
Can this be used to schedule containers to meet the security policy requirements?
Solution: node taints