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Summary
Summary
WAN Technologies CCNA 4 Companion Guide: The only authorized Companion Guide for the Cisco Networking Academy Program - Allan Reid. WAN Technologies CCNA 4 Companion Guide is the official supplemental textbook for version 3.1.1 of the CCNA registered] 4 course in the Cisco registered] Networking Academy registered] Program. The author has completely rewritten the Companion Guide to provide a fresh, complementary perspective on the online course content. The book covers all the topics in the course and then provides additional examples and alternative approaches to individual topics - all to aid the learning process and lock in your understanding of basic networking concepts and technologies. objectives - review core concepts by answering the questions at the beginning of each chapter; Key terms - refer to the updated lists of networking vocabulary introduced in each chapter and turn to the highlighted terms in context; Glossary - consult the all-new glossary with more than 300 terms; Check Your Understanding questions and answer key - Evaluate your readiness with the updated end-of-chapter questions that match the style of questions that you see in the online course assessments. The answer appendix explains each answer; and, Challenge questions - Challenge yourself with review questions designed to be similar to the complex questions you might see on the CCNA exam. The answer appendix explains each answer. Allan Reid is the curriculum lead for CCNA and a CCNA / CCNP registered] instructor at Centennial College CATC in Toronto, Canada. He has been teaching the CCNA curriculum to both students and instructors since CCNA version 1.1 and has been instrumental in the development and implementation of numerous certificate, diploma, and degree programs in networking. computer and networking fields for more than 25 years and is currently a principle in a company involved in the design, installation, and management of network solutions for small and medium-sized businesses. Packet Tracer Activities provide: help to create simulated networks and visualize how packets flow in the network using Packet Tracer v3.2 developed by Cisco Systems registered]; Lab References - stop when you see this icon and perform the related labs from the online curriculum; Brand new Comprehensive Labs and Challenge Labs - look for these labs and study materials in the supplementary book WAN Technologies CCNA 4 Labs and Study Guide by John Rullan (ISBN: 1-58713-173-0). Companion CD-ROM - The CD-ROM includes: Additional Topics of Interest: Beneficial to becoming a well-rounded networker Interactive Media; Activities: More than 25 activities that visually demonstrate key topics; Packet Tracer v3.2: A Flash-based simulation and visualization learning tool. Student Resources on the Web Cisco Press provides additional content that you can access by registering your book at ciscopress.com. configuration files, additional content from Cisco Press books, and exclusive deals on other resources from Cisco Press. This book is part of the Cisco Networking Academy Program Series from Cisco Press registered]. The products in this series support and complement the Cisco Networking Academy Program online curriculum.
Author Notes
Allan Reid is the curriculum lead for CCNA and a CCNA / CCNP instructor at Centennial College CATC in Toronto, Canada
Table of Contents
Chapter 1 Scaling IP Addresses | p. 1 |
Objectives | p. 1 |
Key Terms | p. 1 |
Scaling Networks with NAT and PAT | p. 4 |
Private Address Space (RFC 1918) | p. 4 |
Network Address Translation (NAT) | p. 4 |
NAT Terminology | p. 5 |
Understanding and Configuring Static NAT | p. 6 |
Understanding and Configuring Dynamic NAT | p. 9 |
Understanding and Configuring Overloaded NAT | p. 11 |
Verifying NAT/PAT Functionality | p. 13 |
Dynamic Host Configuration Protocol (DHCP) | p. 16 |
The DHCP Process | p. 18 |
Configuring DHCP | p. 19 |
DHCP Verification and Troubleshooting | p. 21 |
DHCP Relay | p. 22 |
Summary | p. 25 |
Check Your Understanding | p. 26 |
Challenge Questions and Activities | p. 28 |
Activity 1 p. 28 | |
Activity 2 p. 30 | |
Chapter 2 WAN Technologies Overview | p. 31 |
Objectives | p. 31 |
Key Terms | p. 31 |
WAN Technologies Overview | p. 33 |
WAN Versus LAN | p. 33 |
WAN Protocols | p. 36 |
Leased Line, Circuit Switching, and Packet Switching | p. 39 |
WAN Technologies | p. 41 |
Analog Dialup | p. 42 |
ISDN | p. 43 |
Leased Line | p. 44 |
X.25 | p. 44 |
Frame Relay | p. 45 |
ATM | p. 47 |
DSL | p. 47 |
Cable | p. 49 |
WAN Design | p. 51 |
WAN Communication | p. 51 |
Steps in WAN Design | p. 53 |
Identifying and Selecting Networking Capabilities | p. 55 |
Three-Layer Design Model | p. 58 |
Other Layered Design Models | p. 60 |
Other WAN Design Considerations | p. 62 |
Summary | p. 63 |
Check Your Understanding | p. 65 |
Challenge Questions and Activities | p. 72 |
Chapter 3 PPP | p. 73 |
Objectives | p. 73 |
Key Terms | p. 73 |
Serial Point-to-Point Links | p. 75 |
Time-Division Multiplexing | p. 75 |
Demarcation Points | p. 76 |
DTE and DCE | p. 77 |
High-Level Data Link Control (HDLC) | p. 79 |
Troubleshooting Serial Links | p. 80 |
PPP Authentication | p. 87 |
Serial Line Internet Protocol (SLIP) | p. 87 |
Point-to-Point Protocol (PPP) | p. 87 |
Configuring PPP | p. 95 |
Configuring Compression on PPP Links | p. 96 |
Configuring Error Detection on PPP Links | p. 96 |
Configuring Multilink Support on PPP Links | p. 96 |
Configuring Authentication on PPP Links | p. 97 |
Viewing PPP Link Establishment and Authentication | p. 103 |
Summary | p. 105 |
Check Your Understanding | p. 106 |
Challenge Questions and Activities | p. 110 |
Chapter 4 ISDN and DDR | p. 111 |
Objectives | p. 111 |
Key Terms | p. 111 |
ISDN Concepts | p. 113 |
ISDN Standards and Concepts | p. 114 |
ISDN Layer 1 | p. 116 |
ISDN Layer 2 | p. 118 |
ISDN Layer 3 | p. 119 |
ISDN Devices and Reference Points | p. 120 |
ISDN Configuration | p. 122 |
Configuring an ISDN BRI | p. 122 |
Configuring an ISDN PRI | p. 124 |
Verifying and Troubleshooting ISDN Configuration | p. 127 |
DDR Configuration | p. 131 |
Legacy DDR | p. 132 |
Dialer Profiles | p. 136 |
Displaying ISDN Process Information | p. 141 |
Summary | p. 143 |
Check Your Understanding | p. 145 |
Challenge Questions and Activities | p. 152 |
Chapter 5 Frame Relay | p. 153 |
Objectives | p. 153 |
Key Terms | p. 153 |
Frame Relay Concepts | p. 155 |
Virtual Circuits and DLCIs | p. 157 |
The Frame Relay Frame | p. 158 |
Data Movement and Flow Control | p. 161 |
Common Topologies | p. 163 |
LMI | p. 165 |
Inverse ARP | p. 167 |
Configuring Frame Relay | p. 168 |
Basic Configuration | p. 168 |
Configuring LMI | p. 168 |
Static Maps | p. 169 |
Subinterfaces | p. 170 |
Testing and Troubleshooting | p. 174 |
Summary | p. 178 |
Check Your Understanding | p. 179 |
Challenge Questions and Activities | p. 185 |
Chapter 6 Introduction to Network Administration | p. 187 |
Objectives | p. 187 |
Additional Topics of Interest | p. 187 |
Key Terms | p. 187 |
Workstations and Servers | p. 189 |
Workstations | p. 189 |
Servers | p. 190 |
Client/Server Relationship | p. 192 |
Introduction to Network Operating Systems (NOS) | p. 195 |
Network Management | p. 196 |
Summary | p. 197 |
Check Your Understanding | p. 198 |
Challenge Questions and Activities | p. 202 |
Appendix A p. 203 | |
Glossary | p. 227 |
Index | p. 249 |