All the following are guided communication media except….
a) twisted pair
b) coaxial cable
c) fiber-optic
d) satellite
How many causes of transmission impairment?
a) one
b) two
c) three
d) four
attenuation, distortion, noise
Any reduction in strength of signal is called…..
a) attenuation
b) distortion
c) noise
d) none of these
The change in the form or shape of signal is called…..
a) attenuation
b) distortion
c) noise
d) none of these
An unwanted signal is called…….
a) attenuation
b) distortion
c) noise
d) none of these
Which of the following is not communication media?
a) twisted pair
b) UTP
c) Microwave
d) modem
