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# Prerna ppt.

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### Prerna ppt.

1. 1.  the first work which deserves to be considered as the beginnings of topology is due to Euler. In 1736 Euler published a paper on the solution of the Königsberg bridge problem which translates into English as The solution of a problem relating to the geometry of position .
2. 2.  The configuration of a communication network of Computer Science in which the arrangement in nodes of a LAN is connected to each other is known as Topology. It is a term which defines Topology in a simple manner.
3. 3.  StarTopology. Bus Topology Ring/Network Topology Tree/Extended Star Topology.
4. 4.  This type Topology is often called a multi-port repeater. In a star topology, each device has a dedicated point to point link only to central controller, usually called a hub/server/host.
5. 5. Advantages- Disadvantages- Easy to install  Requires more and wire. cable length than a linear Easy to detect topology. .  More faults and to remove parts. expensive.
6. 6.  The bus topology is the simplest and most common. It is often used when a network installation is small, simple, or temporary.
7. 7. Advantages- Disadvantages- In an active topology  Heavy network traffic network, the computers can slow a bus regenerate signals and considerably. are responsible for moving the data through the network. On a bus network, all the computer are  A break in the cable or connected to a single lake of proper cable. termination can bring the network down.
8. 8.  In a ring topology, each computer is connected directly to the next computer in line, forming a circle of cable. It uses token to pass the information from one computer to another.
9. 9. Advantages- Disadvantages- All the computers  Failure of one have equal access to computer can affect the network. the whole network. Even with many  It is difficult to users, network troubleshoot the ring performance is even. network.  Adding or removing Allows error computers disturbs checking, and the network . acknowledgement.
10. 10.  Among all the Network Topologies the Tree Topology is a combination of the bus and the Star Topology.
11. 11. Advantages- Disadvantages-  Overall length of Point-to-point wiring for each segment is individual segments. limited by the type of cabling used.  If the backbone line Supported by breaks, the entire several hardware segment goes down. and software  More difficult to venders. configure and wire than other topologies
12. 12.  The Network of Topology differs from place to place. But, however, all of them have their advantages & disadvantages. If the server problem occurs or server gets down, then Topology faces its failure