When conducting a wireless survey at a customer facility, signal attenuation in an area that is surrounded by thick glass walls is noted as 2dB. When configuring Cisco Prime Infrastructure, which…

When conducting a wireless survey at a customer facility, signal attenuation in an area that is surrounded by thick glass walls is noted as 2dB. When configuring Cisco Prime Infrastructure, which obstacle should be placed in a map editor to represent the impact the glass wall will have on the RF signal in the facility?