You work as a network consultant at YourDomain .com. One of your clients has a primary and a standby data center. The client wants to provide disaster recovery by using a technology that provides the fastest and most reliable synchronization between the two sites.
What should you recommend?

A.
Usage of a Virtual Private Network (VPN)

B.
Usage of a Routing and Remote Access (RRAS) server.

C.
Usage of an optical network.

D.
Usage of a Digital subscriber line (DSL)

E.
Usage of an offsite content storage