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CCENT/CCNA ICND1 Official Exam Certification Guide (CCENT Exam 640-822 and CCNA Exam 640-802), Second Edition by Wendell Odom - CCIE No. 1624

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Chapter 5. Fundamentals of IP Addressing and Routing

This chapter covers the following subjects:

Overview of Network Layer Functions: The first section introduces the concepts of routing, logical addressing, and routing protocols.

IP Addressing: Next, the basics of 32-bit IP addresses are explained, with emphasis on how the organization aids the routing process.

IP Routing: This section explains how hosts and routers decide how to forward a packet.

IP Routing Protocols: This brief section explains the basics of how routing protocols populate each router’s routing tables.

Network Layer Utilities: This section introduces several other functions useful to the overall process of packet delivery.

The OSI physical layer (Layer 1) defines how to transmit bits ...

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