Mis 589 Homework Week 2

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Homework

1. Multi-point is a line or circuit interconnecting several stations/nodes in a sequential fashion.

Point-to-point is a circuit or line that has only two terminals

2. Guided media are the physical links through which signals are confined to narrow path. Three common types of bounded media are used of the data transmission. These are Coaxial Cable, Twisted Pairs Cable, and Fiber Optics Cable. Twisted pair

A pair of wires used in standard telephone wiring. They are twisted to reduce interference caused by the other twisted pairs in the same cable bundle. Twisted-pair wires go from homes and offices to the telephone company end office.

Fiber-optic cable

A transmission medium that uses glass or plastic cable instead of copper wires.

Coaxial cable

An insulated wire that runs through the middle of a cable. A second braided wire surrounds the insulation of the inner wire like a sheath. Used on LANs for transmitting messages between devices.

6.

Analog Transmission

Transmission of a continuously variable signal as opposed to a discrete on/off signal. The traditional way of transmitting a telephone or voice signal is analog.

Digital transmission

Is the transmission of binary electrical or light pulses in that it only has two possible states, a 1 or a 0. The most commonly encountered voltage levels range from a low of +3/−3 to a high of +24/−24 volts. Digital signals are usually sent over wire of no more than a few thousand feet in…...

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