DCA Question #132: Real Exam Question with Answer & Explanation

The correct answer is B: No. While network resources are isolated using Linux kernel namespaces, "Network" itself is a descriptor of the resource, not the precise canonical name of a kernel namespace type.

Submitted by kevin_r· Apr 18, 2026Networking

Question

Is this a type of Linux kernel namespace that provides container isolation? Solution: Network

Options

AYes
BNo

Explanation

While network resources are isolated using Linux kernel namespaces, "Network" itself is a descriptor of the resource, not the precise canonical name of a kernel namespace type.

Common mistakes.

A. The precise name of the Linux kernel namespace responsible for network isolation is net, using the CLONE_NEWNET flag, rather than the general term "Network".

Concept tested. Linux kernel namespace types

Reference. https://man7.org/linux/man-pages/man7/namespaces.7.html

Topics

#Linux Namespaces#Container Networking#Isolation#Docker Fundamentals

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