XK0-005 Question #1266: Real Exam Question with Answer & Explanation

Question

A Linux user uses a VPN to securely access the company's systems from a laptop. Which of the following protocols are MOST likely used to secure the VPN connection? (Choose two.)

Options

• AIPSec
• BHTTP
• CSFTP
• DVNC
• ESSL/TLS
• FSELinux

Explanation

For a Linux user securely accessing company systems via a VPN, the most likely protocols used to secure the connection are IPSec and SSL/TLS. These protocols provide encryption and authentication for the VPN tunnel.

Common mistakes.

• B. HTTP (Hypertext Transfer Protocol) is an application layer protocol for transferring web pages and is not a security protocol for VPN connections.
• C. SFTP (SSH File Transfer Protocol) is used for secure file transfer over an SSH connection, not for establishing or securing a general VPN tunnel.
• D. VNC (Virtual Network Computing) is a graphical desktop sharing system, which is a service that might run over a VPN, but it is not a protocol used to secure the VPN itself.
• F. SELinux (Security-Enhanced Linux) is a Linux kernel security module for access control, not a network protocol used to secure VPN connections.

Concept tested. VPN security protocols

Reference. https://learn.microsoft.com/en-us/windows-server/networking/vpn/vpn-overview

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