This book contains 29 core chapters, Chapters 1 through 29, with Chapter 30 including some suggestions for how to approach the actual exams. Each core chapter covers a subset of the topics on the ICND1 exam. The core chapters are organized into sections. The core chapters cover the following topics:
Chapter 1, “The TCP/IP and OSI Networking Models,” introduces the terminology surrounding two different networking architectures, namely Transmission Control Protocol/Internet Protocol (TCP/IP) and Open Systems Interconnection (OSI).