CCNA INTRO Exam Certification Guide is a best-of-breed Cisco® exam study guide that has been completely updated to focus specifically on the objectives for the CCNA INTRO exam. Senior instructor and best-selling author Wendell Odom shares preparation hints and test-taking tips to help you identify areas of weakness and improve both your conceptual and hands-on knowledge. This new edition is organized in a modular fashion, segmenting larger chapters into smaller, more easily digestible components. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.

CCNA INTRO Exam Certification Guide presents you with an organized test preparation routine through the use of proven series elements and techniques.
Challenging chapter-ending review questions help you assess your knowledge and reinforce key concepts. Scenario-based exercises help you think about exam objectives in real-world situations, thus increasing recall during exam time.

The official self-study test preparation guide for the Cisco CCNA INTRO exam 640-821
Master CCNA INTRO exam topics, including:
* TCP/IP and OSI networking models
* Operating Cisco routers and LAN switches
* LAN switching basics, VLANs, and Trunking
* IP addressing and subnetting
* Basic router configuration and operation
* Discovering information about an IP network
* Dynamic routing protocols
* Analog modems, PAP/CHAP, DSL and Cable



PART I: Networking Fundamentals 3
Chapter 1 Introduction to Computer Networking Concepts 5
Chapter 2 The TCP/IP and OSI Networking Models 15
Chapter 3 Data Link Layer Fundamentals: Ethernet LANs 43
Chapter 4 Fundamentals of WANs 77
Chapter 5 Fundamentals of IP 109
Chapter 6 Fundamentals of TCP and UDP 145

PART II: Operating Cisco Devices 169
Chapter 7 Operating Cisco Routers 171
Chapter 8 Operating Cisco LAN Switches 209

PART III: LAN Switching 227
Chapter 9 Cisco LAN Switching Basics 229
Chapter 10 Virtual LANs and Trunking 259
Chapter 11 LAN Cabling, Standards, and Topologies 279

Chapter 12 IP Addressing and Subnetting 313
Chapter 13 Basic Router Configuration and Operation 363
Chapter 14 Introduction to Dynamic Routing Protocols 403

PART V: Wide-Area Networking 427
Chapter 15 Remote Access Technologies 429

PART VI: Final Preparation 477
Chapter 16 Final Preparation 479

PART VII: Appendixes 497

Appendix A Answers to the “Do I Know This Already?” Quizzes and Q&A Sections 499
Appendix B Binary/Decimal Conversion Chart 565
Appendix C Using the Simulation Software for Hands-on Exercises 571
Glossary 577

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