NEED HELP WITH THIS WIIRELESS SECURITY QUESTIONS, PLEASE HELP

THESE QUESTIONS ARE FROM "CWNA (4TH EDITION) TEXTBOOK

1. Which 802.11 amendment addresses wireless authentication and security? a. 802.11a b. 802.11b c. 802.11e d. 802.11i 2. It is common for APs to output 500mW of RF power a. lrue b. False 3. What is the output in wattage for the following scenario? Transmitter output: 50mW Cable loss: 6 dEB Antenna dBi' +9 dBi 4. Answer the following questions 41 is gain compared to what? 4.2 dBd is gain compared to what? 4.3 0 dBm is equivalent to what? 5. Which SNR is preferred between 25 dB and 20dB? a. 25 dB b. 20 dB 6. As a client (a.k.a. STA) moves greater distances from the AP the bits per second is reduced. This process is referred to as