Exam 6: Business Networks and Telecommunications

The major downside of internet service provided by television cable firms is that cable_________ .

IEEE 802.3,known as_________ ,is the only LAN protocol of significance.

_________is a popular medium for connecting computers and networking devices because it is relatively flexible,reliable,and low cost.

A repeater amplifies or regenerates signals so that they do not become weak or distorted.

A computer network within a building,or a campus of adjacent buildings,is called a_________.

_________can be very tiny,about the size of a rice grain,or several square inches,depending on the amount of information they need to contain and the environment in which they are used.

IEEE 802.15 is a family of wireless protocols,collectively known as Wi-Fi.

IEEE 802.16,Worldwide Interoperability for Microwave Access (WiMAX),increases the range and speed of wireless communication.

_________is a standard communication protocol to create a radio connection between two devices.

A computer network within a building,or a campus of adjacent buildings,is called a(n) _________,or LAN.

_________are high-frequency radio waves that can carry signals over long distances with high accuracy.

A(n) _________with a modem is very slow (usually no faster than 56 Kbps),so most users and small businesses today are turning to faster connections that use digital signals throughout the connection,such as DSL and cable connections.

The most important and pervasive set of protocols for telecommunications and networks today is called _________.

The major advantage of mobile phone is that _________.

There are three basic types of networks: LANs,MANs,and WANs.

The proliferation of high­speed connection services,also called _________,is mainly the result of businesses' and individuals' rush to the Internet.

When a line is capable of carrying multiple transmissions simultaneously,it is said to be broadband.

_________,which is essential to smooth operations in today's business world,is the transmittal of data and information from one point to another.

Radio frequency identification (RFID) technology enables us to conduct transactions and to make payments quickly.

One of the most interesting developments in worldwide telecommunications is_________ through the Internet: anyone with access to the Internet can download one of several free applications that help locate and download files from any online computer.