WorksheetsQuiz 2
Total questions: 10
Worksheet time: 10mins
What is the minimum number of wires needed to send data over it serial communication link layer?
1
2
3
4
Which data communication method is used to send data over a serial communication link?
simplex
half duplex
full duplex
all of these
Which of the following is an example of a bounded medium?
coaxial cable
wave guide
fiber optic cable
all of these
Coaxial cable has conductors with….
a common axis
equal resistance
the same diameter
none of these
The area of coverage of a satellite radio beam is called its….
beam width
circular polarization
footprint
identity
Buffering is….
the process of temporarily storing the data to allow for small variation in device speeds.
a method to reduce cross-talks
storage of data within the transmitting medium until the receiver is ready to receive
a method to reduce the routing overhead
Which section of a synchronous modem contains the scrambler?
Terminal section
Receiver section
Control section
Transmission section
The loss in signal power as light travels down the fiber is called.
propagation
attenuation
scattering
absorption
Multiple repeaters in communication satellites are called.
detector
modulator
transponders
stations
Analog signals are
continoius with respect to time
discrete
change in amplitude
Change in frequency
