Which of the following security technologies is commonly used to give administrators access into trust zones within an environment? 

Answer options:

A. VPN
B. WAF
C. IPSec
D. HTTPS

A

Virtual private networks (VPNs) are commonly used to allow access into trust zones. Via a VPN, access can be controlled and logged and only allowed through secure channels by authorized users. It also adds an additional layer of encryption and protection to communications.