describe the following topologies and write their advantages and disadvantages in the given table.
Answers
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Explanation:
star topology advantage: 1)as compared to bus topology.2) it gives fast much better performance signals don't necessary get transmitted to all the workstation a 3)a sent signal reaches the intended destination after passing through no more than 3 -4 devices and 2-3 links.
star topology disadvantage:1) too too much dependency on Central devices as its own drawbacks.2) if if it is fail whole network goes down.3) the use of hub , a router or a switches Central device increases the overall cost of the network.
bus topologies advantage:1) it is easy to setup an extended bus network.2) cable length required for this topology is the list compared to the other networks.3) bus topology cost very less.
bus topology disadvantage:1) there is a limit on Central cable length and number of nodes that can be connected.2) proper termination is required to dump signal.3)use of Terminators is must.
tree topology advantage:. It is an extension of Star and bus Topologies, so in networks where these topologies can't be implemented individually for reasons related to scalability, tree topology is the best alternative.
2. Expansion of Network is possible and easy.
3. Here, we divide the whole network into segments (star networks), which can be easily managed and maintained.
tree topology disadvantage:Because of its basic structure, tree topology, relies heavily on the main bus cable, if it breaks whole network is crippled.
2. As more and more nodes and segments are added, the maintenance becomes.
ring topology:This type of network topology is very organized. Each node gets to send the data when it receives an empty token. This helps to reduces chances of collision. Also in ring topology all the traffic flows in only one direction at very high speed.
2) Even when the load on the network increases, its performance is better than that of Bus topology.
ring topology disadvantage:Each packet of data must pass through all the computers between source and destination. This makes it slower than Star topology.
2) If one workstation or port goes down, the entire network gets affected.
3) Network is highly dependent on the wire which connects different components.
4) MAU’s and network cards are expensive as compared to Ethernet cards .