Refer to the exhibit. It displays the sources of A, B, and C and the corresponding absolute power of each. In comparing source A and B , how much greater is the signal strength of source B than the signal strength of source A?

IT Questions Bank › Category: CCNP › Refer to the exhibit. It displays the sources of A, B, and C and the corresponding absolute power of each. In comparing source A and B , how much greater is the signal strength of source B than the signal strength of source A?

3 dB
0 dB
5 dB
10 dB
2 dB

Explanation: Source B is double the value of source A. Each time you double a value, simply add 3 dB. Because 10 mW is double 5 mW, source B is 3 dB greater than the strength of source A.

Exam with this question: Chapters 17 - 19: Wireless Essentials Exam