Skip to Content
30 questions
Show Answers
See Preview
- 1. Multiple-choice2 minutes1 pt
___________ is the transmission of data from one location to another for direct use or for further processing.
Data network
Data communication
Data continuity
Data flow
- 2. Multiple-choice2 minutes1 pt
__________ determines the volume of data that can be transmitted in a given time.
Broadband
Duplex
Bandwidth
Internet
- 3. Multiple-choice2 minutes1 pt
Two classes of bandwidth channels are:
wired and wireless media
LAN and WAN
simplex and duplex
broadband and voiceband
- 4. Multiple-choice3 minutes1 pt
A ______ line permits data to flow in one direction only.
simplex
full-duplex
half-duplex
narrow-band
- 5. Multiple-choice3 minutes1 pt
Which of the following is NOT a benefit of wireless communication?
portability
higher installation costs
flexibility
increased productivity
- 6. Multiple-choice3 minutes1 pt
A __________ is a group of two or more computers linked together so that they can share resources and communicate with one another.
full-duplex
server
network
client
- 7. Multiple-choice3 minutes1 pt
A _________ network where two or more computers are directly linked within a small area such as a school or office.
LAN
WAN
MAN
NIC
- 8. Multiple-choice3 minutes1 pt
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
- 9. Multiple-choice3 minutes1 pt
Before a PC can become part of a network is must be fitted with a
coaxial cable
dedicated server
local area network
network interface card
- 10. Multiple-choice3 minutes1 pt
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
- 11. Multiple-choice3 minutes1 pt
Which of the following is not a type of transmission cable?
twisted pair
coaxial
fibre optic
hub
- 12. Multiple-choice3 minutes1 pt
Which of the following is not a network topology?
star
square
line or bus
ring
- 13. Multiple-choice3 minutes1 pt
In a star topology, all the computers are connected to one another through a central _________.
signal
packet
backbone
hub
- 14. Multiple-choice3 minutes1 pt
A __________ is a venue that offers internet access over a wireless LAN in a public location such as a cafe or airport.
router
wi-fi hotspot
modem
cellular data
- 15. Multiple-choice3 minutes1 pt
A __________ can connect LANs and PCs across a large geographical area such as a country.
MAN
WAN
LAN
WLAN
- 16. Multiple-choice3 minutes1 pt
Users can communicate on a LAN using
e-mail
whatsapp
instagram
microsoft word
- 17. Multiple-choice3 minutes1 pt
A __________ topology connects computers using a cable called the backbone.
circle
star
ring
line
- 18. Multiple-choice3 minutes1 pt
In a ring topology, data is passed from one computer to the next by means of a __________.
token
packet
sign
printer
- 19. Multiple-choice3 minutes1 pt
___________ technology can be used to create a wireless network.
LAN
modem
bluetooth
satellite
- 20. Multiple-choice3 minutes1 pt
A ___________ is a communications network covering a geographic area the size of a city.
LAN
MAN
WAN
WLAN
- 21. Multiple-choice3 minutes1 pt
LANs are connected to WANs using a special device called a __________.
network interface card
gateway
client
server
- 22. Multiple-choice3 minutes1 pt
Which of the following is not a method of wireless communication?
coaxial
infrared
satellite
microwave
- 23. Multiple-choice3 minutes1 pt
Which of the following is an example of a device that uses full-duplex?
radio
telephone
television
walkie talkie
- 24. Multiple-choice3 minutes1 pt
A __________ line can alternately send and receive data.
simplex
half-duplex
full-duplex
quarter-duplex
- 25. Multiple-choice3 minutes1 pt
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
- 26. Multiple-choice3 minutes1 pt
A voice-band channel use _________ lines to transfer data.
data flow
twisted pair
simplex
telephone
- 27. Multiple-choice3 minutes1 pt
A data communication system is made up of all except:
hardware
software
storage facilities
communication facilities
- 28. Multiple-choice3 minutes1 pt
Which device cannot be shared by a LAN?
printer
hard drive
modem
telelvision
- 29. Multiple-choice3 minutes1 pt
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
- 30. Multiple-choice2 minutes1 pt
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
