What is the physical layer concerned with?

Define physical media properties

Different types of media have different properties, what are they?

Signals can be considered as a function of time g(t): what are the two basic distinctions that can be made?

During transmission signals are subject to distortion: name 2

Define Bandwidth

Define Bit Rate

Baud Rate

When converting digital data to a suitable form so that it can be sent across an analogue network, the carrier wave must be modulated, name 3 different techniques for this...

What is Amplitude Shift Keying?

How does Frequency Shift Keying work?

How does Phase Shift Keying (PSK) work?

What are the main issues linked to modulation (Amplitude Shift Keying)?

What does QPSK stand for and what is it?

What is the main issue with QPSK?

How are digital signals usually generated?

What are the 3 most common ways of sharing media?

What does TDM stand for and what is it?

What type of signal is TDM typically used for?

What does FDM stand for and what is it?

What type of signal is FDM typically used for?

What does CDMA stand for and what is it?

What is the calculation for signal-to-noise ratio (SNR)?

Name 2 ways of boosting the power of a signal

What type of signally is more reliable, analogue or digital and why?