Exam 5: Telecommunications, Wireless Technologies, and Computer Networks

Governments and companies can avoid their own country's laws by processing data within the boundaries of other countries, sometimes called data havens, that have few restrictions on telecommunications or databases.

A network adapter can be a ____, PC card, or an external device that connects through a USB port that provides an external antenna to send and receive network radio signals.

A(n) ____________________ is a circuit board or PC card that, when installed, provides a port for the device to connect to a wired network with traditional network cables.

A ____ phone has components, typically a keyboard, that slide out of the phone body.

There are more wide area networks than any other network type.

In the telecommunications industry, a(n) ____________________ line maintains a connection only as long as the receiver is "off the hook."

A(n) ____________________ cable consists of an inner conductor wire surrounded by insulation, a conductive shield, and a cover.

A(n) ____________________ uses satellites to pinpoint the location of objects on Earth.

Define "global network." What do the terms transborder data flow and data havens mean in relation to global networks?

A token ring is compatible with Ethernet.

____ networking, also called HomePNA, links computers through a home's phone wires.

A T1 line supports high data transmission rates by carrying ____ signals on one line.

____ is a cell phone feature where fees are incurred when you use your phone outside your carrier's coverage area.

Mariah is getting used to having a cell phone. This first month she was surprised by several extra charges on her bill, and called her cell phone service provider. -The customer service agent explained that one of the charges was because she went over her allotted minutes for the month. This appeared as ____ on Mariah's invoice.

If you were to measure the voltage on a telephone wire during a phone conversation, you would see fluctuations in voltages occur thousands of times per second in varying intensities that mirror the sound waves of your voice. This type of signal is called a(n) ____ signal, and it fluctuates continuously.

A(n) ____________________ is an agreed-upon format for transmitting data between two devices.

A multiplexer sends multiple signals or streams of information over a medium at the same time in the form of ____.

Microwave transmission is a ____ medium, which means that a straight line between the transmitter and receiver must be unobstructed.

Some telecommunications devices with which you interact daily include ____.

The speed at which an electronic communications signal can change from high to low is called the signal ____________________.