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Elements of Network Connectivity

Elements of Network Connectivity. Connectivity Devices Connection Services. 1. Connectivity Devices. Modem Technology Expanding a Network Using Components. 2. Digital Signals Versus Analog Waves. 3. Modems: Digital to Analog and Analog to Digital. 4. Internal Modem. 5.

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Elements of Network Connectivity

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  1. Elements of Network Connectivity • Connectivity Devices • Connection Services 1

  2. Connectivity Devices • Modem Technology • Expanding a Network Using Components 2

  3. Digital Signals Versus Analog Waves 3

  4. Modems: Digital to Analog and Analog to Digital 4

  5. Internal Modem 5

  6. External Modem 6

  7. Asynchronous Serial Data Stream 7

  8. Asynchronous Versus Synchronous 8

  9. Ethernet Hubs Connected in Series 9

  10. Token-Ring Hubs Connected in Ring 10

  11. Repeaters Regenerate Signals 11

  12. Repeaters Connect Different Types of Media 12

  13. Bridge Connecting Two Networks 13

  14. Routing Table Keeps Track of Addresses 14

  15. Routing Table Allows Bridges to Segment Networks 15

  16. Remote Bridges Used to Connect Remote Sites 16

  17. Routers Talk to Routers 17

  18. Bridges: Data-Link LayerRouters: Network Layer 18

  19. Routers Use Multiple Paths 19

  20. Gateways Strip Old Stack and Add New Stack 20

  21. Mainframe Gateway 21

  22. Connection Services • Carriers • WAN Overview • Sending Data Across a WAN 22

  23. RAS Allows Access to Network 23

  24. Analog Line Connects Computers Using Modems 24

  25. Digital Data Service Line 25

  26. Simple Packet-Switching Network 26

  27. X.25 Packet Switching 27

  28. Examples of DTEs 28

  29. Frame Relay Uses Point-to-Point System 29

  30. ATM Cell 30

  31. ATM Switches Act as Multiplexers 31

  32. FDDI Uses Dual-Ring Topology 32

  33. Class A Computer: Both RingsClass B Computer: One Ring 33

  34. FDDI Uses Beaconing 34

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