Chapter 3: Introducing the TCP/IP Protocol Suite

Exam Objectives

Describing the TCP/IP network protocol family

Describing the purpose and basic operation of each layer in the TCP/IP network protocol family

Describing the benefits of the TCP/IP network protocol family

Describing the purpose and basic operation of the protocols in the TCP/IP network protocol family

Associating network devices to each layer in the TCP/IP network protocol family

Describing how TCP/IP protocols relate to each layer in the OSI reference model

Describing connection-oriented and connectionless data transport

Demonstrating TCP flow control features, such as sequencing, acknowledgments, and the TCP sliding window

Demonstrating the TCP three-way handshake process

Describing the purpose and basic operation of TCP ports

Describing the difference and the relationship between MAC addresses and IP addresses

Demonstrating the Address Resolution Protocol (ARP)

Read this chapter to find out about the Transmission Control Protocol/Internet Protocol (TCP/IP) suite. TCP/IP is one of the most important topics on the CCNA test.

You first look at a diagram of the TCP/IP protocol suite that illustrates how TCP/IP relates to the OSI network reference model. Next, you review each TCP/IP layer and the most common protocols and applications that operate at each layer.

Introduction to the TCP/IP Protocol Suite

The Open Systems Interconnection (OSI) reference model is mostly an architecture blueprint for networking and computer ...

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