Which of these factors can be used to size the hardware needed for a Cisco Unified MeetingPlace solution? (Choose three.)
Select 3 response(s).

A.
estimate one port per corporate user

B.
number of knowledge workers

C.
average number of minutes (monthly usage)

D.
number of corporate employees

E.
number of profiled users divided by number of nonprofiled users

F.
actual peak usage (minutes per month)