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? |