Part IV: IP Version 4 Addressing and Subnetting
Chapter 13: Perspectives on IPv4 Subnetting
Chapter 14: Analyzing Classful IPv4 Networks
Chapter 15: Analyzing Subnet Masks
Chapter 16: Analyzing Existing Subnets
The book makes a big transition at this point. Part I gave you a broad introduction to networking, and Parts II and III went into some detail about the dominant LAN technology today: Ethernet. Part IV transitions from Ethernet to the network layer details that sit above Ethernet and WAN technology, specifically IPv4. In fact, the next four parts of the book discuss IPv4-specific features, as shown in Figure P4-1.
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