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WorksheetsGuided media
Total questions: 20
Worksheet time: 10mins
Which transmission media has the highest transmission speed in a network?
coaxial cable
twisted pair cable
optical fiber
electrical cable
Twisting in a twisted-pair help reduce the __________.
length
cost
noise
None of the choices are correct
_______ cable consists of an inner copper core and a second sheath.
twisted-pair
coaxial
fiber-optic
shielded twisted-pair
Bits can be send over guided and unguided media as analog signal by
digital modulation
amplitude modulation
frequency modulation
phase modulation
Which data communication method is used to transmit the data over a serial communication link?
Simplex
Half-duplex
Full duplex
All of above
In an optical fiber, the inner core is ______ the cladding.
more dense than
less dense than
me density as
another name for
If a satellite is in geosynchronous orbit, it completes one orbit in ______________
one hour
24 hours
one month
one year
_________ are used for cellular phone, satellite, and wireless LAN communications.
Radio waves
Infrared waves
Microwaves
none of the above
________ are used for short-range communications such as those between a PC and a peripheral device.
Radio waves
Infrared waves
Microwaves
none of the above
25. Microwaves are _________.
omnidirectional
bidirectional
unidirectional
none of the above
. Radio waves are _________.
unidirectional
omnidirectional
bidirectional
none of the above
What is internet?
a single network
a vast collection of different networks
interconnection of local area networks
interconnection of wide area networks
To join the internet, the computer has to be connected to a _________
internet architecture board
internet society
internet service provider
different computer
The size of an IP address in IPv6 is _________
32 bits
64 bits
128 bits
265 bits
Internet works on _______
packet switching
circuit switching
both packet switching and circuit switching
data switching
Bluetooth is the wireless technology for __________
local area network
personal area network
metropolitan area network
wide area network
Bluetooth uses __________
frequency hopping spread spectrum
orthogonal frequency division multiplexing
time division multiplexing
channel division multiplexing
A user can get files from another computer on the internet by using -
HTTP
TELNET
UTP
FTP
Which of the following protocol is used for WWW
FTP
HTTP
W3
All of the above
The equipment needed to allow home computers to connect to the internet is called a
Gateway
Modem
Monitor
Peripheral
