SY0-301 Question #857: Real Exam Question with Answer & Explanation

The correct answer is B: IPSec. VPNs are most commonly implemented using IPSec and SSL/TLS. IPSec (Internet Protocol Security) operates at Layer 3 and is widely used for site-to-site and client VPNs, providing authentication and encryption of IP packets. SSL/TLS (used in SSL VPNs) operates at the application la

Question

Which of the following are used to implement VPNs? (Select TWO).

Options

ASFTP
BIPSec
CHTTPS
DSNMP
ESSL

Explanation

VPNs are most commonly implemented using IPSec and SSL/TLS. IPSec (Internet Protocol Security) operates at Layer 3 and is widely used for site-to-site and client VPNs, providing authentication and encryption of IP packets. SSL/TLS (used in SSL VPNs) operates at the application layer and is commonly used for remote-access VPNs accessed via a web browser or client (e.g., OpenVPN). SFTP is a file transfer protocol, HTTPS is for web traffic encryption, and SNMP is a network monitoring protocol - none are VPN technologies.

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