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TECHNOLOGY GUIDE FOUR Basics of Telecommunications and Networks.

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Presentation on theme: "TECHNOLOGY GUIDE FOUR Basics of Telecommunications and Networks."— Presentation transcript:

1 TECHNOLOGY GUIDE FOUR Basics of Telecommunications and Networks

2 Analog and Digital Signals

3 Typical Telecommunications System

4 Communications Media and Channels Twisted-pair wire Coaxial cable Fiber optics

5 Twisted Pair Wire

6 Coaxial Cable

7 Fiber Optics CableCable

8 Transmission Speed Bandwidth Narrowband Broadband

9 Transmission Technologies Integrated Services Digital Network Digital Subscriber Line Asynchronous Transfer Mode Synchronous Optical Network T-Carrier System

10 Types of Networks A computer network is a system that connects computers via communications media so that data can be transmitted among them. Local area networks Wide are network Value-added network Enterprise network

11 Local Area Network

12 Enterprise Network

13 Network Fundamentals Network Protocol Ethernet Transmission Control Protocol/Internet Protocol Types of Network Processing Client/server Peer-to-Peer processing

14 Packet Switching

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