As part of a manual RF site survey report, what are the best methods for documenting "dead spots" in
an area covered by an indoor 802.11 WLAN? Choose 2

A.
Showing the dead spots to the network administrator in person

B.
Marking the dead spots with markers, flags, or other visible indicators

C.
Dead spots should not be recorded in a site survey report

D.
Manually marking the dead spots on the floor plan

E.
Taking digital photographs of dead spots and giving them to end users

F.
Using a heat map overlaying the floor plan