Which action must you perform before you update Cisco Unified Communications Manager using
BAT?
A.
Create or edit a CMC or FAC CSV file and insert the file in BAT.
B.
Put Cisco Unified CM in BAT service mode.
C.
Temporarily disconnect all non-BAT related servers, such as Cisco Presence.
D.
Enable promiscuous mode on the Cisco Unified CM BAT database.