….. is/are the loss of energy that signal propagate outward.
a) attenuation
b) distortion
c) noise
d) none of these
The amount of energy depends on………
a) time
b) frequency
c) bit rate
d) none of these
How many types of transmission media?
a) one
b) two
c) three
d) four
Explanation: Guided media, Unguided media
In …transmission media, communication devices are directly linked with physical cables.
a) guided
b) unguided
c) synchronous
d) asynchronous
Guided transmission media are usually used in…….
a) LAN
b) WAN
c) MAN
d) network
Explanation: LAN: local area network
How many types of guided media?
a) one
b) two
c) three
d) four
Explanation: twisted pair cable, Coaxial cable, Fiber optic cable
