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Free 305-300 Exam Braindumps
LPIC-3: Virtualization and Containerization - 305, version 3.0 Questions 11–15 (page: 4)

Updated On: 10-Feb-2026
Page 4 of 13
PDF with 60 Questions

Which of the following statements are true about container-based virtualization? (Choose two.)

  1. Each container runs its own operating system kernel.
  2. Different containers may use different distributions of the same operating system.
  3. Container-based virtualization relies on hardware support from the host system's CPU.
  4. All containers run within the operating system kernel of the host system.
  5. Linux does not support container-based virtualization because of missing kernel APIs.

Answer(s): B,D



How does Packer interact with system images?

  1. Packer has to be installed within the target image and is executed during the image's first boot in order to execute preparation tasks.
  2. Packer installs a client within the image which has to be run periodically via cron in order to retrieve the latest template from the Packer server and apply it locally.
  3. Packer periodically connects through the network to the Packer daemons of all running Packer images in order to re-apply the whole template to the running instance.
  4. Packer downloads and extracts an image in order to make changes to the image's file system, repack the modified image and upload it again.
  5. Packer creates an instance based on a source image, prepares the instance through a network connection and bundles the resulting instance as a new system image.

Answer(s): E



After setting up a data container using the following command:

docker create -v /data --name datastore debian /bin/true

how is an additional new container started which shares the /data volume with the datastore container?

  1. docker run --share-with datastore --name service debian bash
  2. docker run -v datastore:/data --name service debian bash
  3. docker run --volumes-from datastore --name service debian bash
  4. docker run -v /data --name service debian bash
  5. docker run --volume-backend datastore -v /data --name service debian bash

Answer(s): C



After creating a new Docker network using the following command:

docker network create --driver bridge isolated_nw

which parameter must be added to docker create in order to attach a container to the network?

  1. --eth0=isolated_nw
  2. --alias=isolated_nw
  3. --ethernet=isolated_nw
  4. --network=isolated_nw
  5. --attach=isolated_nw

Answer(s): D



FILL BLANK

What LXC command lists containers sorted by their CPU, block I/O or memory consumption? (Specify ONLY the command without any path or parameters.)

  1. lxc-top

Answer(s): A



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