1.2 Transmission Media Flashcards
1
Q
Name some transmission media (6)
A
Twisted Pair Cable
Coax Cable
Atmosphere
Fibre Optic Cable
Waveguide
Copper Wire
2
Q
What is a balanced pair cable?
A
Two conductors carry equal and opposite signals which are compared at the receiver IOT minimize noise and cross-talk.
3
Q
A
4
Q
A
5
Q
A
6
Q
What is an advantage and disadvantage of coaxial cable?
A
No external electric or magnetic fields
Heavy and expensive
7
Q
Advantages and disadvantages of atmosphere as a transmission medium
A
No need to lay cables
Less control of the path of the signal
Easier to intercept
8
Q
Advantages and disadvantages of fibre optic as a transmission medium
A
No EM interference
High data rate
Difficult to intercept
Expensive, delicate.