computer networking

Download Computer networking

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Al Detail of Computer Networking

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  • 1. TYPES OF NETWORKS

2. IS A NETWORK USED OVER AN EXTREMELY LARGE GEOGRAPHICAL AREA SUCH AS THE FEDERAL GOVERNMENT. 3. BUS TOPOLOGY STAR TOPOLOGY RING TOPOLOGY EXTENDED STAR HIERARCHICAL MESH 4. ALLOWS INFORMATION TO BE DIRECTED FROM ONE COMPUTER TO THE OTHER. LOTS OF BINARY COLLISION THOUGH. 5. IS THE MOST COMMON TYPE USED. ALL COMPUTERS ARE ATTACHED TO A HUB. LESS COLLISIONS AND MOST EFFICIENT. 6. A DISADVANTAGE OF A TOKEN RING IS IF ONE COMPUTER IS BROKEN OR DOWN, THE MESSAGE CANNOT BE PASSED TO THE OTHER COMPUTERS. 7. TWISTED SHIELDED PAIR USED IN PHONE LINES, NETWORKSUNSHIELDED TWISTED PAIR-USED IN PHONE LINES, NETWORKS 8. COAXIAL CABLEUSED IN CABLEVISION GREAT FOR VIDEO 9. FIBRE OPTIC CABLES - USES LIGHT TO CARRY SIGNAL BUT HARD TO WORK WITH AND LOOSES SIGNAL OVER LONGER DISTANCES 10. Wiring: 1-3 White/Orange 2-6 Orange 3-1 White/Green 6-2 Green 4-4 Blue 5-5 White/Blue 7-7 White/Brown 8-8 Brown 11. CRIMPING TOOLHUBROUTER 12. Every machine on the Internet has a unique identifying number, called an IP Address.A typical IP address looks like this:216.27.61.137But computers communicate in binary form. 13. 9.008.00 7.00 6.00Internet user5.00 Global population4.00 3.00Linear (Global population)2.00 1.00 0.00 200020102020