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Creating Batch Files

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Submitted By taravirtu
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Tara Thomas
Assignment 3.1
Topologies

Topologies as described in the book are physical layout of the elements of the telecommunications cabling system structure. The first topology is the hierarchical star which is a single cable connects each machine to central device. The advantage is that the utilization of a switch port is typically 90% or greater, all connections configured at a central location making reconfiguration ,trouble- shooting simpler, It reduces power and the HVAC requirements, also lowers cost with switches and ports, and the switch makes the intelligent decisions. The disadvantages is a break in the cable results in communication failure at only one host, limited to devices, single point failure. Universal it’s the easiest of the three networking architectures to cable.

The bus topology is the simplest network also known as a linear bus. In this topology all computers are connected to a contiguous cable to a cable joined together. This is how it works each computer listens only for the transmission form other computers; they do not repeat or forward the transmission on the other computers. The signal travels to both ends of the cable. Advantages single cable connects all machines; each machine links to the cable using a T connector, each end of the cable requires a terminator. Disadvantage a break in the cable results in the total communication failure.

The next topology is a ring which is when all computers are connected in a contiguous circle. The ring has no ends or hub. This is how it works each computer in the ring receives signals (data ) from its neighbor, repeats the signal and passes it along to the next node in the ring. The advantages of a ring topology is single cable connects all machines, each machine is connected with a T-Connector, each end of the cable connects together and it’s an old network. The disadvantage is a break in the cable results in total communication failure.

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