Exam 36: Infrastructure

Signal frequency is measured in ____.

The microwave used to heat your food and the cell phones you use are part of the ____.

Analog systems were designed to support voice communications.

With the help of a ____,devices can modulate signals from one form to another to allow them to connect to the Internet.

Three types of physical cables that carry a signal are twisted pair,fiber optic,and ____.

A ____ is considered a telecommunications device that sends and receives signals.

The Internet has adopted the ____ set of protocols to define its format of communications between devices.

Fiber-optic cabling sends signals much more slowly than twisted pair or coaxial cabling.

Ethernet is the most widely used network standard for private networks.

The language of telecommunications is governed by rules called ____.

To prevent interference and improve transmission of data,services such as cell phones are allocated at different ____.

The digital divide is an ethical dilemma created by network providers that seek to maximize profits.

The U.S.Federal Trade Commission (FTC)assigns different frequencies of the electromagnetic spectrum for different uses in the United States.

Protocols play an important role in defining how telecommunications work.

A(n)____ signal is designed to represent computer data in a discrete high (on)or low (off)state.

____ is a popular cable type used as a network backbone by major telecommunications companies.

____ is the electronic transmission and reception of voice and data signals.

A device or software that filters the information coming onto a network is called a ____.

A ____ is an agreed-upon way of doing something within an industry.

A DSL modem is similar to a satellite connection and provides high-speed Internet service over wireless.