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DCA · Question #109

DCA Question #109: Real Exam Question with Answer & Explanation

The correct answer is B: No. Control Groups (cgroups) are a Linux kernel feature primarily for resource management and isolation, and while they enable accounting and limiting, their full role encompasses more.

Submitted by jordan8· Apr 18, 2026Installation and Configuration

Question

Does this describe the role of Control Groups (cgroups) when used with a Docker container? Solution: accounting and limiting of resources

Options

  • AYes
  • BNo

Explanation

Control Groups (cgroups) are a Linux kernel feature primarily for resource management and isolation, and while they enable accounting and limiting, their full role encompasses more.

Common mistakes.

  • A. Cgroups are indeed the underlying mechanism for resource accounting and limiting in Linux, which Docker utilizes to manage container resources.

Concept tested. Docker cgroups role and functionality

Reference. https://docs.docker.com/config/containers/resource_constraints/

Topics

#cgroups#Resource Management#Container Isolation

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