You work as a network consultant at YourDomain .com. YourDomain uses Fedex for daily transfers of large files between the central and the regional offices. Now YourDomain wants a fast, high-bandwidth network connection to save time and money.
What should you suggest?

A.
Use a Digital subscriber line (DSL).

B.
Use an ISDN line.

C.
Use an optical network.

D.
Use Remote Access Services (RAS)

E.
Use Internet Protocol (IP) telephony.

F.
Use Wireless local-area network (WLAN).