Exam 9: Communications and Networks

Types of wired home networks include all of the following except ____.

A(n) ____________________ refers to the layout of the computers and devices in a communications network.

For best performance of a communications channel, ____.

Developed by IEEE, ____________________ is a series of network standards that specifies how two wireless devices communicate over the air with each other.

The ____ is the worldwide telephone system that handles voice-oriented telephone calls.

Home networking saves the home user money and provides many conveniences.

Businesses are the primary users of ____ because this technology provides a means for departments to communicate with each other, suppliers, vendors, and with clients.

The word, modem, is derived from the combination of the words, modulate, to convert into a digital signal and, demodulate, to convert a digital signal into an analog signal.

A ____ network is a home network that uses radio waves, instead of cables, to transmit data.

ISDN requires that both ends of the connection have an ISDN modem.

Similar to an ISDN modem, a DSL modem is the same as the modem used for dial-up connections.

Communications software consists of programs that ____.

With ____, users type and send short text messages on a smart phone or PDA.

Figure 9-3 When users log off a P2P network like the one in Figure 9-3, other users still can access their hard disks.

The communications device that performs the conversion of a digital signal to an analog signal is a(n) ____________________.

Many home users are connecting multiple computers and devices together into a(n) ____________________, which saves money and provides many conveniences.

____ has been adopted as a network standard for Internet communications.

Some mobile users have a wireless modem that allows access to the Web wirelessly from a notebook computer and other mobile devices.

Although it can connect a larger number of computers, a client/server network typically provides an efficient means to connect 10 or fewer computers.

A(n) ____________________ is a digital modem that sends and receives digital data over the cable television (CATV) network.