[&] Given a defined distance value, which of the following ISM bands is most susceptible to FSPL? (Select the best answer)
- 4.2GHz
- 5GHz
- 2.4GHz
- 902MHz

[&] Which of the following materials is most likely to absorb a Wi-Fi signal? (Select the best answer)
- An aquarium
- Drywall
- Windows
- Concrete walls

[&] What characteristic of Wi-Fi signal propagation was detrimental to 802.11a/b/g signals, but could actually be leveraged to enhance signal reception capabilities in 802.11n and beyond? (Select the best answer)
- FSPL
- Multipath
- Refraction
- Diffraction

[&] The amount of RF energy that is lost as a signal travels through the air can be measured by using the \_\_\_\_\_ formula. (Select the best answer)
- LSFP
- FSPL
- FPLS
- FPSL

[&] Which of the following is a term that, when defined, means the bending of a wave as it passes through objects of different densities? (Select the best answer)
- Absorption
- Reflection
- Refraction
- Attenuation

[&] As radio frequencies travel further and further away from the transmitter they tend to degrade. The technical term for this degradation is called? (Select the best answer)
- Diffraction
- Absorption
- Attenuation
- Delayization