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DCA PDF DEMO:
QUESTION NO: 1
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. No
B. Yes
Answer: B
QUESTION NO: 2
You created a new service named 'http' and discover it is not registering as healthy. Will this command enable you to view the list of historical tasks for this service?
Solution: 'docker service ps http'
A. No
B. Yes
Answer: A
QUESTION NO: 3
In Docker Trusted Registry, is this how a user can prevent an image, such as 'nginx:latest', from being overwritten by another user with push access to the repository?
Solution: Use the DTR web Ul to make all tags in the repository immutable.
A. No
B. Yes
Answer: B
QUESTION NO: 4
Will this command display a list of volumes for a specific container?
Solution: docker volume logs nginx --containers'
A. Yes
B. No
Answer: B
QUESTION NO: 5
An application image runs in multiple environments, and each environment uses different certificates and ports, what is the best practice to deploy the containers?
A. Create a config file for each environment.
B. Create images that contain the specific configuration for every environment.
C. Create a Dockerfile for each environment, specifying ports and Docker secrets for certificates.
D. Create a Dockerfile for each environment, specifying ports and ENV variables for certificates.
Answer: A
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Updated: May 27, 2022