___________ is the transmission of data from one location to another for direct use or for further processing.
__________ determines the volume of data that can be transmitted in a given time.
Two classes of bandwidth channels are:
wired and wireless media
LAN and WAN
simplex and duplex
broadband and voiceband
A ______ line permits data to flow in one direction only.
Which of the following is NOT a benefit of wireless communication?
higher installation costs
A __________ is a group of two or more computers linked together so that they can share resources and communicate with one another.
A _________ network where two or more computers are directly linked within a small area such as a school or office.
Which of the following is an advantage of LANs?
hardware and software can be shared
the initial set up costs are high
increased risk of data corruption
greater risk from viruses
Before a PC can become part of a network is must be fitted with a
local area network
network interface card
Which two categories can LANs be divided into?
star and line
client/server and peer-to-peer
twisted pair and fibre optic
client and server
Which of the following is not a type of transmission cable?
Which of the following is not a network topology?
line or bus
In a star topology, all the computers are connected to one another through a central _________.
A __________ is a venue that offers internet access over a wireless LAN in a public location such as a cafe or airport.
A __________ can connect LANs and PCs across a large geographical area such as a country.
Users can communicate on a LAN using
A __________ topology connects computers using a cable called the backbone.
In a ring topology, data is passed from one computer to the next by means of a __________.
___________ technology can be used to create a wireless network.
A ___________ is a communications network covering a geographic area the size of a city.
LANs are connected to WANs using a special device called a __________.
network interface card
Which of the following is not a method of wireless communication?
Which of the following is an example of a device that uses full-duplex?
A __________ line can alternately send and receive data.
Which of the following is not a use of a WAN?
to connect MANs
to share information and processing loads
to publish documents and distribute software
to connect LANs
A voice-band channel use _________ lines to transfer data.
A data communication system is made up of all except:
Which device cannot be shared by a LAN?
Which is a disadvantage of a star topology?
adding new devices to the network is easy
if a computer stops working, the network is not affected
if one piece of cable is damaged, only one computer is affected
it requires more cabling
One of the most common methods of setting up a WLAN uses two sets of components:
hub and backbone
access points and network interface cards
client server and peer-to-peer
bluetooth and wi-fi