You work as a design specialist at Certkiller .com. Certkiller .com intends to implementing SRDF/A to support their transactional trading systems using an OC-3 through public network facilities. Both the local and remote sites are under Certkiller .com’s control.
Which of the following would you recommend for the SRDF/A?

A.
Tape drive encryption.

B.
In-band link encryption

C.
Out-of-band compression

D.
In-band link encryption and compression

E.
Out-of-band encryption and in-band compression.