DCA試験無料問題集「Docker Certified Associate (DCA) 認定」

Is this an advantage of multi-stage builds?
Solution: better caching when building Docker images

Is this a supported user authentication method for Universal Control Plane?
Solution.x.500

Which networking drivers allow you to enable multi-host network connectivity between containers?

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 affinities

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: resource reservation

The Kubernetes yaml shown below describes a networkPolicy.

Will the networkPolicy BLOCK this traffic?
Solution: a request issued from a pod bearing the tier: backend label, to a pod bearing the tier: frontend label

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

You add a new user to the engineering organization in DTR.
Will this action grant them read/write access to the engineering/api repository?
Solution: Add them to a team in the engineering organization that has read/write access to the engineering/api repository.

Will this Linux kernel facility limit a Docker container's access to host resources, such as CPU or memory?
Solution: namespaces