Exam 6: Business Networks and Telecommunications

When a call is placed on a cellular phone,the signal is first transmitted to the closest_________ ,which sends a signal through landlines that dial the desired phone number.

A computer connected directly to the Internet backbone-the highest speed communication channels-is called a host.

WiMAX is a wide area network (WAN) technology.

A(n) _________is a wireless network designed for handheld and portable devices such as smartphones and tablet or laptop computers,and is intended for use by only one or two people.

With _________,data transmitted to computers from a telephone company's switching center remains digital throughout the entire transmission.

An alternative for households that cannot obtain cable or DSL connections to the Internet is_________ .

A single Wi-Fi router can be connected to a(n)_________ ,which in turn is connected to a wired network and usually to the Internet.

A temporary IP address assigned to a computer connected to the Internet intermittently for the duration of its connection only is called_________ .

The use of e-mail,instant messaging,and voice mail has brought some secondary benefits to business communications by establishing a permanent written or electronic record of,and accountability for,ideas.

Fiber optic technology uses electricity to represent bits.

A_________ is a common device often used as a central location to connect computers or devices to a local network.

_________is a standard method of wireless communications,specifically for high-speed data transmission for mobile phones.

A_________ is a device that connects two networks,such as a LAN,to the Internet.

What factors should be considered when choosing a networking medium?

_________is sometimes called TV cable or simply "cable" because of its common use for cable television transmission.

Coaxial cable connects to network devices with RJ-45 plug-in connectors.

Every device on the Internet is uniquely identified with a numerical label known as_________ .

Discuss electrical power lines as a type of communications medium.

The ability to scramble and code messages through keys that are shared only between the sender and receiver is referred to as _____.

Optical fibers can carry signals over relatively shorter distances compared to other media.