CCNA Exam Prep (Exam 640-802), Second Edition > Wide Area Network Connections - Pg. : Safari Books Online

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CCNA Exam Prep (Exam 640-802), Second Edition

CCNA Exam Prep (Exam 640-802), Second Edition

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Contents

About the Authors

Acknowledgments

We Want to Hear from You!

Reader Services

Cisco ICND1/ICND2/CCNA Exam Objectives

Ch. 1. Standard Internetworking Models

Ch. 2. Physical Layer Networking Concepts

Ch. 3. Data Link Networking Concepts

Ch. 4. General Network Security

Ch. 5. IP at the Network Layer

Ch. 6. Introduction to Cisco Routers and Switches

Ch. 7. Foundation Cisco IOS Operations

Ch. 8. Foundation Cisco Configurations

Ch. 9. Understanding the Cisco SDM

Ch. 10. Introduction to Routing and Routing Protocols

Ch. 11. Distance Vector Routing Protocols

Ch. 12. Link-State and Hybrid Routing Protocols

Ch. 13. Foundation Switching Operations

Ch. 14. Enhanced Switching Operations

Ch. 15. Virtual LANs

Ch. 16. Implementing Switch Security

Ch. 17. Understanding Wireless Networking

Ch. 18. Wireless Security and Implementation Considerations

Ch. 19. Using Cisco Access Lists

Ch. 20. Enabling Internet Connectivity with NAT

Ch. 21. Command-Line NAT Implementation

Ch. 22. Wide Area Network Connections

WAN Connection Types

The WAN Physical Layer

WAN Data Link Encapsulations

Configuring PPP

Troubleshooting PPP

Chapter Summary

Apply Your Knowledge

Ch. 23. Frame Relay

Ch. 24. Understanding VPN Connectivity

Answers to Practice Exam

What’s on the CD-ROM

URL

Help

Chapter 22. Wide Area Network Connections

Objectives

This chapter covers the following Cisco-specific objectives for the “Implement and verify WAN links” section of the 640-802 CCNA exam:

Describe different methods for connecting to a WAN

Configure and verify a basic WAN serial connection

Configure and verify a PPP connection between Cisco routers

Troubleshoot WAN implementation issues

Outline

Introduction	720
WAN Connection Types	720
Leased Lines	721
In the Field	721
Circuit-Switched Networks	721
Packet-Switched Networks	722
Broadband	722
Virtual Private Networks (VPNs)	723
Metropolitan Ethernet (Metro Ethernet)	723
The WAN Physical Layer	724
WAN Data Link Encapsulations	725
Serial Line Internet Protocol (SLIP)	725
Point-to-Point Protocol (PPP)	726
Cisco High-Level Data Link Control (HDLC)	726
X.25 Link Access Procedure, Balanced (LAPB)	726
Frame Relay	726
Asynchronous Transfer Mode (ATM)	726
PPP over Ethernet (PPPoE) and PPP over ATM (PPPoA)	727
Cisco HDLC	727
PPP	727
Sub-Layer 1: ISO HDLC	729
Sub-Layer 2: Link Control Protocol (LCP)	729
Authentication	729
Callback	731
Compression	732
Multilink	733
Sub-Layer 3: Network Control Protocol	733
Configuring PPP	734
Authentication	734
Compression	736
Verifying PPP	737
Troubleshooting PPP	738
Chapter Summary	741
Key Terms	741
Apply Your Knowledge	742
Exercises	742
Review Questions	745
Exam Questions	745
Answers to Review Questions	747
Answers to Exam Questions	748
Suggested Reading and Resources	749

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