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CCENT/CCNA ICND1 640-822 Official Cert Guide by Wendell Odom

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Chapter 22. WAN Concepts

Chapter 4, “Fundamentals of WANs,” introduced two important WAN technologies common in enterprise networks today:

• Leased lines, which use either High-Level Data Link Control (HDLC) or Point-to-Point Protocol (PPP)

• Frame Relay

Part IV of this book covers the remainder of the WAN-specific topics in this book. In particular, this chapter examines a broader range of WAN technologies, including ...

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