The document discusses different network topologies. A star topology has all devices connected to a central hub. It is easy to install but the network is disabled if the hub fails. A bus topology connects all devices to a single cable. It requires less cable than a star but the whole network fails if the cable breaks. A ring topology forms a closed loop connecting all devices. Data transfer is simple but the network slows down as packets pass through all devices.

5. CONTENT MAIN MENU SUMMARY EXIT EXERCISE OBJECTIVE Definition of Network Topology Types of Network Topology Differentiation Between the Types of Network Topology

6. DEFINITION What is a Topology ? The physical topology of a network refers to the configuration of cables, computers and other peripherals.

7. TYPES OF NETWORK TOPOLOGY Three commonly used network topologies are:- Bus network . Ring network . Star network .

9. STAR TOPOLOGY

11. BUS TOPOLOGY USER USER USER USER USER

13. RING TOPOLOGY

15. TREE TOPOLOGY Server

18. DIFFERENTIATION BETWEEN THE THREE TYPES OF NETWORK TOPOLOGY WHAT IS DIFFERENTIATION BETWEEN THE THREE OF NETWORK TOPOLOGY?

19. DIFFERENTIATION BETWEEN THE THREE TYPES OF NETWORK TOPOLOGY STAR 2) If the hub or concentrator fails, nodes attached are disabled. 2) Security can be implemented in the hub/switch. 1) Requires more cable length than a linear topology. 1) Easy to install and wire. 3) More expensive than linear bus topologies because of the cost of the concentrators. 3) Easy to detect faults and to remove parts. DISADVANTAGE ADVANTAGE

20. DIFFERENTIATION BETWEEN THE THREE TYPES OF NETWORK TOPOLOGY BUS 2) Terminators are required at both ends of the backbone cable. 2) Requires less cable length than a star topology. 1) Entire network shuts down if there is a break in the main cable. 1) Easy to connect computer or peripheral to a linear bus. 3) Difficult to identify the problem if the entire network shuts down. DISADVANTAGE ADVANTAGE

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