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CompTIA® Network+® 2009 In Depth by Tamara Dean

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Chapter 7. WANs and Remote Connectivity

After reading this chapter and completing the exercises, you will be able to:

  • Identify a variety of uses for WANs

  • Explain different WAN topologies, including their advantages and disadvantages

  • Compare the characteristics of WAN technologies, including their switching type, throughput, media, security, and reliability

  • Describe several WAN transmission and connection methods, including PSTN, ISDN, T-carriers, DSL, broadband cable, ATM, and SONET

  • Describe multiple methods for remotely connecting to a network

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