6. A computer network, or simply a network, is a collection of computers
and other hardware interconnected by communication channels that
allow sharing of resources and information.

7. Types of Network

8. LAN - Local Area Network

9. WLAN - Wireless Local Area Network

10. WAN - Wide Area Network

12. - Storage Area Network
System Area Network
Sometimes Small Area Network

13. Topology

15. Types or ways of Topology
1.Point-to-point
2.Bus
3.Star
4.Ring or circular
5.Mesh
6.Tree
7.Hybrid

16. Point-to-point Topology

17. Bus Topology

18. Star Topology

19. Ring Topology

20. Mesh Topology

21. Tree Topology

22. Hybrid Topology

23. Daisy Chain Topology

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