LFCS Question #505: Real Exam Question with Answer & Explanation

The correct answer is C: ifconfig. The ifconfig command can be used to both configure and deconfigure a network interface.

Submitted by luis.pe· Apr 18, 2026Networking

Question

Which of the following commands can deconfigure a network interface?

The ifconfig command can be used to both configure and deconfigure a network interface.

Common mistakes.

A. ipdown is not a standard Linux command for deconfiguring interfaces.
B. net is a generic term and not a specific command for interface deconfiguration.
D. netdown is not a standard Linux command for deconfiguring interfaces.

Concept tested. Network interface configuration (ifconfig)

Reference. https://man7.org/linux/man-pages/man8/ifconfig.8.html

#networking#network interfaces#ifconfig#command-line tools

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