A computer network allows sharing of resources and information by connecting computers and hardware through communication channels. There are different types of networks including LAN, WLAN, WAN, and SAN. Network topologies determine how devices are physically connected and include point-to-point, bus, star, ring, mesh, tree and hybrid configurations.

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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