What ID is typically mapped to an AP's MAC address if a single BSS is implemented?

You are onsite with a client to perform a post-deployment site survey. When verifying a multiple channel VoWiFi deployment using a VoWiFi handset, which aspect is most important?

You are selecting antennas for a WLAN operating in the 5 GHz frequency band. What specifications should be evaluated for an antenna before it is implemented in this WLAN system?

Which one of the following frequency ranges is not specified for use by IEEE 802.11 radios as of
802.11-2012?

When using an RF splitter to connect one transceiver to sector antennas loss is incurred. What is this loss called?