... EIA/TIA-232, V.35, EIA/TIA -4 4 9, RJ -4 5 , Ethernet, 802.3, 802.5, B8ZS Table 2 -4 OSI Reference Model Layer Definitions (Continued)0 945 _01f.book Page 34 Wednesday, July 2, 2003 3:53 PMThe TCP/IP Protocol ... routing.Both CCNA exams cover IP fairly deeply. For the INTRO exam, this book’s Chapter 5 covers more of the basics, and Chapters 12, “IP Addressing and Subnetting,” through 14, “Introduction ... cable with an RJ -4 5 connector for an Ethernet connection, Ethernet and RJ -4 5 physical layer specifications are used.Table 2-5 OSI Reference Model—Example ProtocolsLayer Name Examples Application...