Câu 17: CWDP-303: Certified Wireless Design Professional

What is the best method of gathering attenuation measurements from any building materials or objects?

1. A. After measuring the RSSI in free space 5 meters (16.5 feet) apart, put an AP 4 meters (13 feet) away from the wall or object on one side and your measuring device 0.67 meters (2 feet) away from the wall or object on the other side. Take measurement and compare the difference.
2. B. Use the pre-built attenuation values in the predictive design tool.
3. C. After measuring the RSSI in free space 1 meter (3 feet) apart, put an AP 0.32 meters (1 feet) away from the wall or object on the other side. Take measurements and compare the difference. — đáp án hiện tại
4. D. Look on the Internet for attenuation values for each one of the materials that might attenuate the Wi-Fi signal using the material provider's websites.