Question 1: What is the relationship between a signal's spectrum and its bandwidth? What is attenuation?
Question 2: Compare and contrast DTE with DCE. What are the components of the DTE and DCE?
Question 3: What are the different categories of modulation to change digital signals to analog signals?
Question 4: Define channel capacity and what key factors affect channel capacity.
Question 5: What distinguishes Frequency Division Multiplexing (FDM)? Time Division Multiplexing
Question 6: Why is multiplexing so cost-effective?