One of Your Customers Has an Office Set Up with a Central

Multiple Choice

One of your customers has an office set up with a central headquarters and four branch offices. The customer is planning to add five more branch offices in the next two years. He wants you to implement a WAN technology that is economical and facilitate the addition of these branch offices to the HQ. None of the ports on the HQ router should be left free. Which of the following should be used?

A) PPP
B) Frame Relay
C) HDLC
D) ISDN