Câu 19: CWNA-109: Certified Wireless Network Administrator

AS an RF wave propagates through space, the wave front experiences natural expansion that reduces its signal strength in any specific remote area. What describes the rate at which this expansion happens?

1. A. Frontwave thinning theory
2. B. Ohm's law
3. C. Return loss or through loss
4. D. Inverse square law — đáp án hiện tại