What is a Network?
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Main Types of Physical Topologies
Advantages of a Linear Bus Topology
What is a Topology?
The physical topology of a network refers
to the configuration of cables
, and other peripherals. Physical topology should not be confused with logical topology which is the method used to pass information between workstations. Logical
topology was discussed in the
Types of Physical Topologies
The following sections discuss the physical topologies used in networks and other related topics.
Tree (Expanded Star)
When Choosing a Topology
A linear bus topology consists
of a main run of cable with a
at each end (See fig. 1). All
, and peripherals) are connected to the linear cable.
Linear Bus topology
of a Linear Bus Topology
Easy to connect a computer or peripheral to a linear bus.
Requires less cable length than a star topology.
Disadvantages of a Linear Bus Topology
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.
Not meant to be used as a stand-alone solution in a large building.
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three basic types