Exam 8: Communications and Networks

________ uses standard telephone lines to provide high-speed connections.

________ is the name of the process of converting from analog to digital.

A ________ network topology does not use a specific physical layout,but requires that each node have more than one connection to the other nodes.

The actual connecting or transmission medium that carries the message in a communication system is called the ________.

________ transmits data as pulses of light through tiny tubes of glass.

The client/server network strategy can handle very large networks efficiently.

A network gateway can be used to connect the LAN of one office group to the LAN of another office group.

Packetization refers to breaking information into small parts for transmission across the Internet.

A hierarchical network topology in which each device is connected to a central node,either directly or through one or more other devices,is also called a ________ network.

A service that uses existing phone lines to provide high-speed connections is called ________.

Intrusion detection systems can recognize signs of a network attack and disable access before an intruder can do damage.

In a computer network,this node requests and uses resources available from other nodes.

Network architecture describes how a computer network is configured and what topologies and strategies are employed.

Microwave communication uses high-frequency ________.

A MAN is a network that is frequently used as links between office buildings that are located throughout a city.

Remote users can connect to an organization's network through this type of secure private connection.

Describe the four basic elements of most communication systems.

This type of network strategy uses central servers to coordinate and supply services to other nodes on the network.

WANs are widely used by organizations to link personal computers and to share printers and other resources.

This device enables connectivity between two LANS or a LAN and a larger network.