Which of the following is a true statement about Secure Transport and Secure Peering?

[answerhappygod]

Which of the following is a true statement about Secure Transport and Secure Peering?

A. Both can use SSL or IPSec
B. Secure Transport can encrypt all traffic, Secure Peering can encrypt only optimized traffic
C. Secure transport is a cost option, Secure Peering is built in
D. Secure Transport is compatible with Secure Peering, but only when both are in SSL form
E. Secure Transport is compatible with Secure Peering, but only when both are in IPSec form