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Exam XK0-004 All Questions

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Exam XK0-004 topic 1 question 13 discussion

Actual exam question from CompTIA's XK0-004
Question #: 13
Topic #: 1
[All XK0-004 Questions]

Which of the following BEST describes containers running on a Linux system?

  • A. Containers only need the namespaces functionality to run on a Linux system available since kernel 2.6.
  • B. Containers need a hypervisor to run on a Linux system. Cgroups namespaces are functionalities used for the kernel but not for running containers.
  • C. Containers only need the cgroups functionality for running on a Linux system. Namespaces is not a Linux kernel functionality needed for creating and managing containers.
  • D. Containers use the cgroups and namespaces functionalities to isolate processes and assign hardware resources to each of those isolated processes.
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Suggested Answer: D 🗳️
Reference:
https://www.linuxjournal.com/content/everything-you-need-know-about-linux-containers-part-ii-working-linux-containers-lxc
by MrInfoSys at Nov. 25, 2020, 8:48 p.m.

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examtopics_htc
2 years, 6 months ago
Namespaces provide the isolation that containers offer, and cgroups provides the resource management.
upvoted 2 times
...
Icarus1987
4 years ago
https://jvns.ca/blog/2016/10/10/what-even-is-a-container/#:~:text=Basically%20there%20are%20a%20few,isolate%20processes%20from%20each%20other.&text=Basically%20these%20features%20let%20you,in%20the%20same%20Linux%20kernel.
upvoted 4 times
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MrInfoSys
4 years, 5 months ago
best describes containers...
upvoted 4 times
...
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