Which of the following has serious security implications for large organizations and can potentially
allow an attacker to capture conversations?

A.
Subnetting

B.
NAT

C.
Jabber

D.
DMZ

Explanation:
Jabber is a new unified communications application and could possible expose you to attackers

that want to capture conversations because Jabber provides a single interface across presence,
instant messaging, voice, video messaging, desktop sharing and conferencing.