Tree topology is a specific kind of network topology in which all of the various devices in the network are connected to a Central Hub or from there root node,It should atleast have three levels of hierarchy.
It used in wide area network.
Ideal if workstations are located in groups.
Advantages of Tree topology:
Easy to add and remove nodes.
It can be use for large networks.
Extension of bus and star topologies.
Easily managed and maintained.
Root node act as server.
Disadvantages of Tree Topology:
Huge cabling is needed.
Costly due to there cabling.
A lot of maintenance is needed.
If herirchy is increased then maintinance cost will also high
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