The Three Important Topologies By: Parimal Satashia.

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Presentation transcript:

The Three Important Topologies By: Parimal Satashia

Linear Bus Topology A linear bus topology consists of a main run of cable with a terminator at each end. All nodes (file server, workstations, and peripherals) are connected to the linear cable/backbone.

Advantages: Easy to connect a computer or peripheral to a linear bus. Requires less cable length than a star topology. Disadvantages: Entire network shuts down if there is a break in the main cable. Terminators are required at both ends of the backbone cable. Difficult to identify the problem if the entire network shuts down.

Tree Topology A tree topology combines characteristics of linear bus and star topology. It consists of groups of star- configured workstations connected to a linear bus backbone cable. Tree topologies allow for the expansion of an existing network.

Advantages: Point-to-point wiring for individual segments. Supported by several hardware and software venders. Disadvantages: Overall length of each segment is limited by the type of cabling used. If the backbone line breaks, the entire segment goes down. More difficult to configure and wire than other topologies.

Star Topology A star topology is designed with each node (file server, workstations, and peripherals) connected directly to a central network hub or concentrator.

Advantages: Easy to install and wire. No disruptions to the network then connecting or removing devices. Easy to detect faults and to remove parts. Disadvantages: Requires more cable length than a linear topology. If the hub or concentrator fails, nodes attached will be disabled. More expensive than linear bus topologies because of the cost of the concentrators.