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CompTIA® Network+® N10-005 In Depth by Tamara Dean

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chapter 7

Wide Area Networks

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, broadband over powerline, ATM, and SONET

On the Job

I worked for a major global airline. We had centralized servers and a massive SQL Server database. The three distributed reservations centers were located in Orlando, Houston, and Denver. The database was highly fluid, with fares ...

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