Which answer would be most appropriate if a potential customer asked how to protect against viruses and attacks if Cisco IP Communications shared its data network?

A.
Cisco recommends purchasing CSA for all of your Cisco CallManager servers. This proactive software uses leading-edge behavioral technology to detect and prevent attacks before they cause damage.

B.
Cisco network security policies are an integrated part of Cisco IP Communications. A set of guidelines and software services can be implemented to secure against virus attacks, services attacks, hackers, and IP phone attacks.

C.
Security is not a concern with Cisco IP Communications. Most viruses and attacks only affect the data network

D.
Because security is only a concern if you do not purchase the Cisco Self-Defending Network, Cisco recommends adding the Cisco Self-Defending Network to your integrated solution.