NetworkingName:- Karanjeet SinghClass:- XIISec:- BRoll No. :-161
INDEX2
Presented by:Karanjeet Singh3
 A network consists of two or more computers thatare linked in order to share resources, exchangefiles, or allow electro...
 File sharing Resource sharing Communication and collaboration Remote access Data protectionNeed of Computer Network:5
 Routers Gateways Repeaters Bridges Hub ModemDevices Use To Connect Network:6
 Local Area Network Wide Area Network Metropolitan Area NetworkTypes Of Network:7
 A local area network (LAN) is a group of computersand associated devices that share a commoncommunications line or wire...
9
 The WAN is a communications network that makesuse of existing technology to connect localcomputer networks into a large...
11
 A metropolitan area network (MAN) is a network thatinterconnects users with computer resources in a geographicarea or r...
Network Topologies Network Topology – Maps of how the physical or logical paths of network devicesconnect. The three maj...
Network TopologiesHub/Switch14
Network TopologiesStar Topology15
Network TopologiesLogical Ring Topology16
Network TopologiesBus Topology17
Network Topologies18
20
Networking
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Networking

  1. 1. NetworkingName:- Karanjeet SinghClass:- XIISec:- BRoll No. :-161
  2. 2. INDEX2
  3. 3. Presented by:Karanjeet Singh3
  4. 4.  A network consists of two or more computers thatare linked in order to share resources, exchangefiles, or allow electronic communications. The computers on a network may be linked throughcables, telephone lines, radio waves, satellites, orinfrared light beamsComputer Network:4
  5. 5.  File sharing Resource sharing Communication and collaboration Remote access Data protectionNeed of Computer Network:5
  6. 6.  Routers Gateways Repeaters Bridges Hub ModemDevices Use To Connect Network:6
  7. 7.  Local Area Network Wide Area Network Metropolitan Area NetworkTypes Of Network:7
  8. 8.  A local area network (LAN) is a group of computersand associated devices that share a commoncommunications line or wireless link. Typically, connected devices share the resources of asingle processor or server within a small geographicarea . . A local area network may serve as few as two orthree users or as many as thousands of users.Local Area Network:8
  9. 9. 9
  10. 10.  The WAN is a communications network that makesuse of existing technology to connect localcomputer networks into a larger working networkthat may cover both national and internationallocations.Wide Area Network:10
  11. 11. 11
  12. 12.  A metropolitan area network (MAN) is a network thatinterconnects users with computer resources in a geographicarea or region larger than that covered by even a large localarea network but smaller than the area covered by a wide areanetwork (WAN). It is also used to mean the interconnection of several local areanetworks by bridging them with backbone linesMetropolitan Area Network (MAN):12
  13. 13. Network Topologies Network Topology – Maps of how the physical or logical paths of network devicesconnect. The three major topologies are star, ring, and bus. Star Topology – Most common Ethernet network topology where each deviceconnects to a central hub or switch. Hub – A device used with the Universal Serial Bus or in a star network topology thatallows multiple device connections. Switch – In star networks, a Layer 2 central controlling device. A switch looks ateach data frame as it comes through each port. Ring Topology – Network that is physically wired like a star network but, logicallyin a ring; passes control from one device to the next in a continuous fashion using aspecial data packet called a token. Used in Token Ring networks. Bus Topology – Network wherein all devices connect to a single cable. If the cablefails, the network is down. Mesh Topology – Network where all devices connect to each other by cabling toprovide link redundancy for maximum fault tolerance. Most likely in WANs.13
  14. 14. Network TopologiesHub/Switch14
  15. 15. Network TopologiesStar Topology15
  16. 16. Network TopologiesLogical Ring Topology16
  17. 17. Network TopologiesBus Topology17
  18. 18. Network Topologies18
  19. 19. 20
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