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What are the pros and cons of star topology in Computer Networks?

Answer»

In COMPUTER networks, a star network is an application of the spoke–hub distribution model. EVERY host in a star network is linked to a central hub. One central hub serves as a channel for messages in its most basic form. One of the most popular computer network topologies is the star network.

The advantages of star topology are:

  • It's simple to analyse, set up, and change.
  • Only the nodes that have failed are affected. Other nodes are still operational.
  • With few nodes and LIMITED network traffic, fast performance is possible.
  • Adding, deleting, and transferring devices is simple in a Star topology.

The disadvantages of star topology are:

  • Attached nodes are disabled if the Hub or concentrator fails.
  • The expense of setting up a star topology is high.
  • Buses can be significantly slowed by heavy network traffic.
  • The Hub's capacity determines performance.
  • The network could be brought down by a faulty cable or a LACK of suitable termination.


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