After completion of this chapter, you will be able to answer the following questions:
• What are three categories of wide-area network (WAN) connections?
• How are data rates measured on various WAN technologies?
• Which types of media (or wireless technologies) might be used in WAN connections?
• What are the characteristics of the following WAN technologies: dedicated leased line, digital subscriber line (DSL), cable modem, Synchronous Optical Network (SONET), satellite, Plain Old Telephone Service (POTS), Integrated Services Digital Network (ISDN), Frame Relay, Asynchronous Transfer Mode (ATM), and Multiprotocol Label Switching (MPLS)?
In the early 1990s, computer-networking design guides invoked the ...