ch06_CE - Guide to Networking Essentials, Fifth Edition...

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Guide to Networking Essentials, Fifth Edition 6-1 Chapter 6 Network Communications and Protocols At a Glance Instructor’s Manual Table of Contents Overview Objectives Teaching Tips Quick Quizzes Class Discussion Topics Additional Projects Additional Resources Key Terms Technical Notes for Hands-On Projects
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Guide to Networking Essentials, Fifth Edition 6-2 Lecture Notes Overview Chapter 6 offers an introduction to network communications and protocols. Students learn about the function of different protocols in a network. They also learn about the different common protocol suites, with a special focus in the TCP/IP protocol suite. Objectives Explain the function of protocols in a network Describe common protocol suites Teaching Tips Protocols 1. Explain why protocols are needed to enable computer communications. The Function of Protocols 1. Explain that as protocols serve their functions in the OSI model, they might work at one or many layers. Introduce the term protocol stack and provide a few examples of existing protocol stacks (including TCP/IP ). Note that levels of a protocol stack map to their functions in the OSI model. 2. Connectionless Versus Connection-Oriented Protocols . Describe the difference between connectionless and connection-oriented protocols. Teaching Tip For more information on connectionless vs. connection-oriented protocols, see: www.inetdaemon.com/tutorials/theory/ concepts/connection-oriented_vs_connectionless.shtml . 3. Routable Versus Nonroutable Protocols . Describe the difference between routable and nonroutable protocols. Provide examples of each of these types. Teaching Tip For more information on routable vs. non-routable protocols, see: http://ezinearticles.com/?Routing,-Routed,-and-Non-Routable- .
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Guide to Networking Essentials, Fifth Edition 6-3 Protocols in a Layered Architecture 1. Use Figure 6-1 to recap the functions of each layer of the OSI model. 2. Use Figure 6-2 to show how the tasks required for network communication combine to form three major protocol types: application, transport, and network. 3. Network Protocols . Briefly describe each of the following common network protocols: IPv4 , IPX , and IPv6 . Note that IPv6 addresses some of the weaknesses of IPv4. 4. Transport Protocols . Explain that transport protocols can use connection-oriented (reliable) or connectionless (best-effort) delivery. Briefly describe each of the following common transport protocols: TCP , SPX , and NetBIOS/NetBEUI . Teaching Tip Note that NetBIOS also runs over TCP/IP and IPX/SPX, so using NetBIOS doesn’t require using NetBEUI. 5. Application Protocols . Explain that application protocols provide services to client applications. Briefly describe each of the following common application protocols: SMTP, FTP, SNMP , NCP , and AFP . Quick Quiz 1
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This note was uploaded on 12/19/2011 for the course CSCI 101 taught by Professor Dr.ambrose during the Spring '11 term at Community College of Baltimore County.

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ch06_CE - Guide to Networking Essentials, Fifth Edition...

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