Answered

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Which of the following best describes the headend?

A. It is where all the equipment and hardware of a cable system, including the optical fiber, coaxial cable, amplifiers, splitters, taps, strand, and power supplies are located.

B. It is where signals originate, such as a system's own studio or a remote location in the service area.

C. It is where the customer's equipment is connected to the directional tap.

D. It receives signals from various sources, processes them, scrambles them for security purposes, then sends them through the network.

Sagot :

GinnyAnswer

Final answer:

The headend processes signals for cable networks, fiber-optic communication systems use various components, and cable technology has changed broadcasting methods.


Explanation:

The headend in a cable system is where signals from various sources are received, processed, scrambled for security, and then sent through the network to homes via coaxial or fiber optic cables.

Components in a fiber-optic communications system include fibers, optoelectronic devices like amplifiers, sources, multiplexers, filters, modulators, mixers, and switches, all assembled to create communication systems.

Before cable and fiber optics, networks relied on local affiliates with transmission towers for broadcasting, but cable technology has reduced this dependence, enabling direct transmission to homes through cables.


Learn more about Headend in cable systems and fiber-optic communication here:

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