CORRECT Answers
Telecommunications - CORRECT ANSWER - essential to smooth operations in today's
business world, is the transmittal of data and information from one point to another or over a
distance
Videoconferencing - CORRECT ANSWER - people sitting together in a room a thousand
miles apart are brought together by their transmitted images and speech
Near-field communication (NFC) - CORRECT ANSWER - is a standard communication
protocol to create a radio connection between two devices
Peer to peer file sharing- - CORRECT ANSWER - through the internet anyone with access
to the internet can download one of several free application that help locate and download files
from any online computer
Bandwidth - CORRECT ANSWER - of the medium is the speed at which data is
communicated also called the transmission rate
Bits per second (Bps)- - CORRECT ANSWER - measurement of bandwidth. If is is
greater than cost is higher
Broadband- - CORRECT ANSWER - when a line is capable of carrying multiple
transmission simultaneously
Twisted pair cable- - CORRECT ANSWER - popular medium for connection computers
and networking devices because it is relatively flexible, reliable, and low cost
Coaxial cable- - CORRECT ANSWER - tv cable because it's common for television
, Electromagnetic interference- EMI - CORRECT ANSWER - unwanted disturbance in a
radio receiver or electrical circuits
Microwaves- - CORRECT ANSWER - high frequency radio waves that can carry signals
over long distances with high accuracy
Broadband over power lines( BPL)- power line communication
Network- - CORRECT ANSWER - combination of devices or nodes computer or
communication devices connected to each other thu one of the communication media
Local area network-
Server- one computer that is central repository of programs and files that all connected computer
can use - CORRECT ANSWER - usually established by a single organization with offices
within a radius of 3-4 miles share broadband link.
Server- - CORRECT ANSWER - one computer that is central repository of programs and
files that all connected computer can use
Peer to peer Lan- - CORRECT ANSWER - no central devices controls communications
Wireless Lans- - CORRECT ANSWER - offer significant benefits installation is easy,
equipment can be moved, and less costly
Scalability- - CORRECT ANSWER - ease of expanding system can add more nodes to
clients to WLAN due to wireless circuitry
Metropolitan area network( MAN)- - CORRECT ANSWER - usually links multiple Lans
within a large city or metropolitan regions and spans up to 50 kilometers
-Wide area network (WAN) - CORRECT ANSWER - far reaching system of networks
composed of multiple lans, can be public or private