Which of the following is related to the creation of a secured communication channel between workstations in different locations and is supported by credentials for authentication?

The correct answer is D. VPN. A Virtual Private Network (VPN) creates an encrypted, secure tunnel across a public or untrusted network. It uses authentication credentials to ensure that only authorized users can connect, keeping data safe from interception.

Submitted by zhang_li· Mar 30, 2026Networking

Question

Options

ADHCP
BCNAME
CVLAN
DVPN

How the community answered

(30 responses)

B
3% (1)
C
7% (2)
D
90% (27)

Explanation

A Virtual Private Network (VPN) creates an encrypted, secure tunnel across a public or untrusted network. It uses authentication credentials to ensure that only authorized users can connect, keeping data safe from interception.

Topics

#VPN#secure tunnel#remote authentication#encrypted channel

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