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Free DCA – Docker Certified Associate (DCA) Exam Practice Test Question

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Showing 1–3 of 10 questions

Question 1

What is the difference between the ADD and COPY dockerfile instructions? (choosen 2)

Select all that apply, then click Submit answer.

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    ADD supports compression format handling while COPY does not.
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    COPY supports regular expression handling while ADD does not.
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    COPY supports compression format handling while ADD does not.
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    ADD support remote URL handling while COPY does not.
  • ○

    ADD supports regular expression handling while COPY does not.
Question 2

Which of the following modes can be used for service discovery of a Docker swarm service (Pick 2 correct answers)

Select all that apply, then click Submit answer.

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    Virtual IP (VIP) with --endpoint-mode vip
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    Overlay with --endpoint-mode overlay
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    DNS Round-Robin with --endpoint-mode dnsrr
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    Ingress with --endpoint-mode ingress
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    Network Address Translation(NAT) with --endpoint-mode nat
Question 3

You have deployed a service to swarm. Which command uses the Docker CLI to set the number of tasks of the services to 5? (choose 2)

Select all that apply, then click Submit answer.

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    'docker service update --replicas=5 '
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    'docker replica update =5'
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    'docker update service =5'
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    'docker service replicas =5'
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    'docker service scale = 5''