chap10 - Network Access and Transmission Methods Chapter 10...

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Network Access and Transmission Methods Chapter 10
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Objectives In this chapter, you will learn to: Recognize simple and complex physical topologies used in data networks Describe Ethernet and the CSMA/CD network access method Understand the different types of Ethernet access methods Describe the techniques used in the Token Ring, ATM, and FDDI network access methods Identify the main characteristics of network transmission methods, such as X.25, Frame Relay, T-Carriers, ISDN, DSL, cable, and SONET
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Bus
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Ring
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Star
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Hybrid Physical Topologies
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Hybrid Physical Topologies
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Mesh Topologies
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Mesh Topologies
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Network Access Methods
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Ethernet A network access method originally developed by Xerox in the 1970s and later improved by Xerox, Digital Equipment Corporation (DEC), and Intel. Can run on a variety of network media, including both wireline and wireless channels Uses packet switching
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Ethernet Baseband - a transmission form in which digital signals are sent through direct current (DC) pulses applied to the wire. Multiple Access - refers to the fact that Ethernet nodes can be connected to a network and can monitor and issue traffic. CSMA/CD - Rules for communication used by shared Ethernet networks.
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Ethernet
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Ethernet Frames - each frame contains a 14-byte header and a 4-byte frame check sequence (FCS) field. 10BaseT
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This note was uploaded on 10/25/2009 for the course IT 300 taught by Professor Staff during the Spring '08 term at George Mason.

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chap10 - Network Access and Transmission Methods Chapter 10...

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