Chapter Review Questions

You can find the answers to the following questions in Appendix A, "Answers to Chapter Review Questions."

1:

RF signals offer relatively short range as compared to light signals. True or false?

2:

What type of weather impacts RF signals the most?

3:

Why does interference cause errors in wireless networks?

4:

What are sources of RF interference?

5:

Multipath affects higher data rates more than lower data rates for 2.4 GHz systems. True or false?

6:

What is meant by a diffused infrared light system?

7:

Approximately up to what range do direct infrared systems operate?

8:

How does modulation make it possible to transmit information through the air?

9:

What attributes of a signal does QAM change in order to represent information?

10:

Spread spectrum generally requires user licenses. True or false?