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Chapter 14, “Managing Cisco IOS Software,” examines the stages of the router boot sequence. It also covers how to use a variety of Cisco IOS Software source options, execute commands to load Cisco IOS Software onto the router, maintain backup files, and upgrade Cisco IOS Software. In addition, this chapter discusses the functions of the configuration register and tells how to determine the version of the IOS file. Finally, this chapter describes how to use a TFTP server as a soft-ware source. This chapter corresponds to the Module 5 content from the CCNA 2 online curriculum.
Chapter 15, “Routing and Routing Protocols,” covers the router’s use and oper-ations in performing the key internetworking function of the Open System Inter-connection (OSI) reference model’s network layer, Layer 3. In addition, this chapter discusses the difference between routing and routed protocols and tells how routers track distance between locations. Finally, this chapter introduces distance vector, link-state, and hybrid routing approaches and details how each resolves common routing problems. This chapter corresponds to the Module 6 content from the CCNA 2 online curriculum.
Chapter 16, “Distance Vector Routing Protocols,” covers the initial configuration of the router to enable the Routing Information Protocol (RIP) and the Interior Gateway Routing Protocol (IGRP). In addition, this chapter describes how to monitor IP routing protocols. This chapter corresponds to the Module 7 content from the CCNA 2 online curriculum.This chapter corresponds to the Module 7 content from the CCNA 2 online curriculum.
Chapter 17, “TCP/IP Error and Control Messages,” covers ICMP, the ICMP message format, ICMP error message types, potential causes of specific ICMP error messages, a variety of ICMP control messages used in networks today, and the causes for ICMP control messages. This chapter corresponds to the Module 8 content from the CCNA 2 online curriculum.
Chapter 18, “Basic Router Troubleshooting,” provides an introduction to network testing. It emphasizes the necessity of using a structured approach to trouble-shooting. Finally, this chapter describers the fundamentals of troubleshooting routers. This chapter corresponds to the Module 9 content from the CCNA 2 online curriculum.
Chapter 19, “Intermediate TCP,” describes TCP/IP operation to ensure commu-nication across any set of interconnected networks. In addition, this chapter covers the TCP/IP protocol stack components, such as protocols to support file transfer, e-mail, remote login, and other applications. This chapter also introduces
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reliable and unreliable transport layer protocols and details connectionless data-gram (packet) delivery at the network layer. Finally, it explains how ARP and RARP work. This chapter corresponds to the Module 10 content from the CCNA 2 online curriculum.
Chapter 20, “Access Control Lists,”includes tips, considerations, recommendations, and general guidelines on how to use ACLs, and includes the commands and configurations needed to create ACLs. Finally, this chapter provides examples of standard and extended ACLs and tells how to apply ACLs to router interfaces. This chapter corresponds to the Module 11 content from the CCNA 2 online curriculum.
Appendix A, “Structured Cabling,” includes coverage of structured cabling systems, standards, and codes. In addition, this appendix provides coverage of cabling safety, tools of the trade, installation process, finish phase, overview of the cabling business. This appendix also provides a cabling case study that covers how to apply all of the information in this chapter to a real-world scenario. The material in this appendix does not appear in the online curriculum, but provides some valuable information that you will need to know as a CCNA.
Appendix B, “Glossary of Key Terms,” provides a compiled list of all the key terms that appear throughout this book.
Appendix C, “Check Your Understanding Answer Key,” provides the answers to the Check Your Understanding questions that you find at the end of each chapter.
About the CD-ROM
A CD-ROM accompanies this book to further enhance your learning experience. The CD contains additional chapters not found online, a test engine with CCNA practice exam questions, interactive e-Lab Activities, PhotoZooms of networking equipment and hardware, and instructional Videos and animations that highlight potentially difficult concepts. These materials support self-directed study by allowing you to engage in learning and skill building exercises outside of the classroom. The CD also provides the following:
An easy-to-use graphical user interface
Chapter-by-chapter activities and resources
Information and activities not found online
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Accurate and concise feedback on practice exam questions
Learner-directed practice and study
Flexibility for learners of all levels
Finally, these learning tools emphasize not only conceptual material, but also the impor-tance of practicing what you have learned. The CD helps you understand routing and switching, and make the connection between theory and practice.
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Part I
CCNA 1: Networking Basics
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Introduction to Networking
Networking Fundamentals
Networking Media
Cable Testing and Cabling LANs and WANs
Ethernet Fundamentals
Ethernet Technologies and Ethernet Switching
TCP/IP Protocol Suite and IP Addressing
Routing Fundamentals and Subnets
TCP/IP Transport and Application Layer
...
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