Introduction


Many technologies are used to create today's wide area networks (WANs). Each of these technologies has advantages and disadvantages, making some of them well suited for certain environments and completely impractical in others. Each of the technologies varies in terms of media, speed, availability, and cost. This chapter examines various WAN technologies and the protocols used to secure and establish the connections.



    Network+ Exam Cram 2
    Network+ Exam Cram 2
    ISBN: 078974905X
    EAN: N/A
    Year: 2003
    Pages: 194

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