A Virtual Private Network (VPN) creates an encrypted connection between a remote user and an internal network, ensuring secure access to internal applications.
* VPNs use encryption protocols like IPSec and SSL/TLS to protect data during transmission.
* They are widely used for secure remote work, accessing company resources, and bypassing geographic restrictions.
* Option B (CDN - Content Delivery Network): Used for speeding up website content delivery, not for remote access security.
* Option C (SAN - Storage Area Network): Used for high-speed storage, unrelated to remote access.
* Option D (IDS - Intrusion Detection System): Monitors for malicious activities but does not provide secure access to applications.
? Reference: CompTIA Network+ (N10-009) Official Study Guide - Section: Secure Remote Access Technologies