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3 types of topology:
1.Bus topology
2.Ring topology
3.Star topology

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advantages of ring topology
The transmission of data is relatively simple as data travels in one direction only.

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Disadvantages Bus Topology
▸ The cable length is limited. This limits the number of network nodes that can be connected.
▸ This network topology can perform well only for a limited number of nodes. When the number of devices connected to the bus increases, the efficiency decreases.
Disadvantages Ring Topology
▸ The failure of a single node in the network can cause the entire network to fail.
▸ The movement or changes made to network nodes affect the entire network's performance.
Disadvantages Star Topology
▸ Also, the number of nodes that can be added, depends on the capacity of the central hub.
▸ The setup cost is quite high.

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How data is transferred between nodes on each computer topology (Yusnizam)

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How data is transferred between nodes on each computer topology (Yusnizam)

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BUS TOPOLOGY:
-Data transmitted on a bus network travels along the bus in both direction
-When sending device transmits data, the address of the receiving device is included with the transmission so that the data is sent to the appropriate receing device
-If the device address does not match the intended address the data, the device ignores the data
If data address match, the device will accept the data

RING TOPOLOGY:
-Data transmitted on a ring network travels from one dvice to another around the entire ring a one direction
-When a device send data the data travels to each computer on the ring untill it reaches it's destination

STAR TOPOLOGY:
-All data transfer from one node to another passes through the hub or switch
-The hub takes a signal that comes from any device and passes it to other devices in the network

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Disadvantages of network topology
-Bus topology
Not easy to isolate faults in the network nodes
-Ring topology
The failure of single nodes in the network can failnthe entire network
-Star topology
The set up cost is quite high

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Advantages of network topology
-Bus topology
Easy to set up, handle and implement
-Ring topology
Easy to identify faults in network nodes
-Star topology
Adding or removing nodes will not effect entie network.

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Bus topology
Disadvantage
Only suitable for small network
Advantage
Easy and inexpensive to set up

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It describes how each computer or device also called a node is connected to one another in a network

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network topology refers to the layout of the computers and devices in a communication network

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There are 3 types of network topology.
1. Bus topology.
2. Ring topology.
3. Star topology.

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Bus topology is all computers are connected to a single central cable ( called bus). Data transmitted on a bus network travels along the bus in both directions.

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Network topology referring toa schematic description of the arrangement of the computing resources on the network. Generally, we have 3 main topology which are bus topology, ring topology and star topology.  But, we also have mesh topology and hybrid topology (but this is out of our syllabus). Each types of network topology that i have mention just now has different types of arrangment, advantages and disadvantages.

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have 3 types of network topology:
1. Bus topology -all computers and devices connected to a single central cable (called bus)
2. Ring topology - all computers and devices are arranged along a cable that forms closed loop
3. Star topology - all computers and devices are connected to a central device (hub/switch)