Free 305-300 Exam Braindumps (page: 7)

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What command is used to run a process in a new Linux namespace? (Specify ONLY the command without any path or parameters.)

  1. unshare

Answer(s): A



Which of the following values would be valid in the FROM statement in a Dockerfile?

  1. ubuntu:focal
  2. docker://ubuntu: focal
  3. registry:ubuntu:focal
  4. file:/tmp/ubuntu/Dockerfile
  5. http://docker.example.com/images/ubuntu-focal.iso

Answer(s): A



Which CPU flag indicates the hardware virtualization capability on an AMD CPU?

  1. HVM
  2. VIRT
  3. SVM
  4. PVM
  5. VMX

Answer(s): C



What is the purpose of a .dockerignore file?

  1. It lists files existing in a Docker image which should be excluded when building a derivative image.
  2. It specifies files that Docker does not submit to the Docker daemon when building a Docker image
  3. It exists in the root file system of containers that should ignore volumes and ports provided by Docker.
  4. It must be placed in the top level directory of volumes that Docker should never attach automatically to a container
  5. It specifies which parts of a Dockerfile should be ignored when building a Docker image.

Answer(s): B



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