The firewall administrator is installing a VPN application and must allow GRE through the firewall. Which of the following MUST the administrator allow through the
firewall?
A.
IPSec
B.
IP protocol 47
C.
IP protocol 50
D.
IP protocol 51
Get 50% Discount on All Your Purchases
at PrepAway.com - Latest Exam Questions
This is ONE TIME OFFER
50%
Generic Routing Encapsulation (GRE) is a tunneling protocol developed by Cisco Systems that can encapsulate a wide variety of network layer protocols inside virtual point-to-point links over an Internet Protocol network.
0
0