Online Access Free DCA Exam Questions

You configure a local Docker engine to enforce content trust by setting the environment variable DOCKER_CONTENT_TRUST=1.
If myorg/myimage: 1.0 is unsigned, does Docker block this command?
Solution: docker image import <tarball> myorg/myimage:1.0

• A.Yes
• B.No

Is this a function of UCP?
Solution: image role-based access control

• A.Yes
• B.No

Does this command create a swarm service that only listens on port 53 using the UDP protocol?
Solution: 'docker service create -name dns-cache -p 53:53 -service udp dns-cache'

• A.Yes
• B.No

Will this command ensure that overlay traffic between service tasks is encrypted?
Solution.docker network create -d overlay --secure <network-name>

• A.Yes
• B.No

Is this a Linux kernel namespace that is disabled by default and must be enabled at Docker engine runtime to be used?
Solution: net

• A.Yes
• B.No