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Linux Network Pro Configuring a Linux Based VPN Server Quiz

This quiz evaluates your knowledge of configuring and managing VPN servers on Linux systems. It covers essential topics including VPN protocols, encryption standards, firewall integration, network configuration, and security best...

Questions: 20 | Attempts: 10 | Last updated: Aug 11, 2026

Sample Question 1
Which VPN protocol uses UDP port 500 and 4500 for key exchange and encrypted traffic?

IPSec

OpenVPN

L2TP

PPTP

Sample Question 2
What is the primary encryption cipher used in modern OpenVPN configurations?

DES

AES

RC4

MD5

Sample Question 3
In Linux, which command enables IP forwarding required for VPN routing?

Sysctl net.ipv4.ip_forward=1

Iptables --forward

Route enable forward

Ifconfig forward on

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