Which of the following secure protocols could the administrator implement to prevent replay attacks via remote workers’ VPNs?

The network administrator for an organization has read several recent articles stating that replay attacks are on the rise.

Which of the following secure protocols could the administrator implement to prevent replay attacks via remote workers’ VPNs? (Choose three.)
A . Internet Protocol Security (IPSec)
B. Enhanced Interior Gateway Routing Protocol (EIGRP)
C. Password Authentication Protocol (PAP)
D. Challenge Handshake Authentication Protocol (CHAP)
E. Simple Network Management Protocol (SNMP)
F. Layer 2 Tunneling Protocol (L2TP)
G. Interior Gateway Routing Protocol (IGRP)

View Answer

Answer: A,D,F