The UpwardPro

Multiple Choice

The UpwardPro.com network uses an IP proxy that provides network address translation. Jennifer implements IPSec for all the Internet-bound traffic but observes that she is still not able to access the Internet. What is the most likely cause of this issue?

A) Network address translation (NAT) does not work with IPSec.
B) The IP proxy is blocking egress and ingress traffic on port 80.
C) The IP proxy is blocking egress and ingress traffic on port 1293.
D) The IP proxy is blocking egress and ingress traffic on port 8080.