You were previously onsite at XYZ’s facility to conduct a pre-deployment RF site survey. The WLAN has
been deployed according to your recommendations and you are onsite again to perform a post-deployment
validation survey.
When performing this type of post-deployment RF site survey for VoWiFi, what are two steps that must be
performed? (Choose 2)

A.
Coverage analysis to verify appropriate coverage and roaming boundaries

B.
Spectrum analysis to locate and identify RF interference sources

C.
Frequency-band hopping analysis to detect improper RF channel implementations

D.
Protocol analysis to discover channel use on neighboring APs

E.
Application analysis with an active phone call on a VoWiFi handset