Is this an advantage of multi-stage builds?
Solution: optimizes Images by copying artifacts selectively from previous stages

• A.Yes
• B.No

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A docker service 'web' is running with a scale factor of 1 (replicas = 1).
Bob intends to use the command 'docker service update --replicas=3 web'.
Alice intends to use the command 'docker service scale web=3'.
How do the outcomes oft these two commands differ?

• A.Both Bob's and Alice's commands result in exactly the same outcome, which is 3 instances of the 'web' service.
• B.Bob's command updates the number of replicas of the 'web' service to 3. Alice's command results in an error.
• C.Bob's command results in an error. Alice's command updates the number of replicas of the 'web' service to 3.
• D.Bob's command only updates the service definition, but no new replicas are started. Alice's command results in the actual scaling up of the 'web' service.

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Is this a way to configure the Docker engine to use a registry without a trusted TLS certificate?
Solution. Set and export the IGNORE_TLS environment variable on the command line.

• A.Yes
• B.No

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Is this the purpose of Docker Content Trust?
Solution: Enable mutual TLS between the Docker client and server.

• A.Yes
• B.No

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Which of the following are types of namespaces used by Docker to provide isolation? (Choose 2.)

• A.Authentication
• B.Network
• C.Host
• D.Process ID
• E.Storage

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