Chapter Four

Chapter Four PowerPoint PPT Presentation


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2. Chapter Objectives. Identify the characteristics of TCP/IP, IPX/SPX, NetBIOS, and AppleTalkUnderstand the position of network protocols in the OSI ModelIdentify the core protocols of each protocol suite and its functionsUnderstand each protocol's addressing schemeProtocols on client OS's. 3.

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Chapter Four

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1. 1 Chapter Four Network Protocols

2. 2 Chapter Objectives Identify the characteristics of TCP/IP, IPX/SPX, NetBIOS, and AppleTalk Understand the position of network protocols in the OSI Model Identify the core protocols of each protocol suite and its functions Understand each protocol’s addressing scheme Protocols on client OS’s

3. 3 Introduction to Protocols Protocols Rules a network uses to transfer data Not ‘magic’ – need planning and configuration The Protocol you choose will depend upon: Existing network Organization’s technical expertise Security and speed requirements Does it need to be routable? Span > 1 lan segment Routable because they carry L3 info that can be interpreted by a router. Need > 1 protocol – multi-protocol network

4. 4 TCP/IP Transmission Control Protocol/Internet Protocol (TCP/IP) “IP” v 4.0 (6.0) Suite of small, specialized protocols called subprotocols Protocol foundation of ARPAnet (late 60’s) Advantages Routable Many NOS’s and OS’s support Disadvantages Management Configuration Design

5. 5 TCP/IP Compared to the OSI Model Application layer roughly corresponds to Application and Presentation layers Transport layer roughly corresponds to Session and Transport layers Internet layer is equivalent to the Network layer Network Interface layer roughly corresponds to Data Link and Physical layers

6. 6 TCP/IP and the OSI Model WINSOCK API, FTP, TFTP, HTTP, SMTP, DHCP TCP, UDP IP, ICMP, ARP Formatting of data and transmission to the wire

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