Exam 6: Data Communication: Delivering Information Anywhere and Anytime

A ____________________ is short for modulator-demodulator.

The wireless communication industry has many vendors and rapid changes,but wireless technologies generally fall into two groups.Name and describe these groups.

Terrestrial microwave uses space-based transmitters and receivers and is often used for point-to-point links between buildings.

What are some of the disadvantages of centralized routing?

Local area networks(LANs)are used most often to isolate resources.

Describe the mesh topology and its advantages.

A service set identifier is the part of a wirelessLAN that connects it to other networks.

A hub can choose the best possible path for packets based on distance and cost.

An Ethernet cable is used to connect computers,hubs,switches,and routers to a network.

A ____ router can build tables that identify addresses on each network.

Another name for a network interface card is a(n)____.

A(n)____________________ network is designed to handle data communication for multiple organizations in a city and sometimes nearby cities,too.

The ____ topology is costly and difficult to maintain and expand.

A(n)____________________ is a collection of binary digits,including message data and control characters for formatting and transmitting,sent from computer to computer over a network.

____________________ is the loss of power in a signal as it travels from the sending device to the receiving device.