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Docker DCA 問題練習

Docker Certified Associate (DCA) Exam 試験

最新更新時間: 2020/11/18,合計66問。

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Question No : 1
Which of the following modes can be used for service discovery of a Docker swarm service (Pick 2 correct answers)

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Question No : 2
Which of the following is true about overlay networks?

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Question No : 3
Which set of commands can identify the publishd port(s) for a container? (Choose 1.)

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Question No : 4
What behavior is expected when a service is created with the following command:
'docker service create --publish 8000:80 nginx'

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Question No : 5
Which of the following is true about using the '-P' option when creating a new container?

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Question No : 6
Which of the following commands will create a swarm service which only listens on port 53 using the UDP protocol?

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Question No : 7
Which of the following commands will ensure that overlay traffic between service tasks is encrypted?

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Question No : 8
You have created a Docker bridge network on a host with three containers attached, how do you make this containers accessible outside of the host?

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Question No : 9
When using the Docker client to push an image to a registry, what environment variable is used to instruct the client to perform signing of the image?

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Question No : 10
What is the purpose of a client bundle in the Universal Control Plane?

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Question No : 11
Wha is the purpose of Docker Content Trust?

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Question No : 12
Which of the following is supported by control groups?

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Question No : 13
Following the principle of least privilege, which of the following methods can be used to securely grnt access to the specific user to communicate to a Docker engine? (Choose two.)

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Question No : 14
Which of the following statements is true about secrets?

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Question No : 15
Which of the following namespaces is disabled by default and must be enabled at Docker engine runtime in order to be used?

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