Cisco Exam Questions

which two of these can be used to estimate the audio port sizing?

Based on experiential data from existing customers, which two of these can be used to estimate the audio port sizing? (Choose two.)
Select 2 response(s).

A.
one voice port for every 40 knowledge workers

B.
one voice port for every 20 knowledge workers

C.
one web port for every 40 knowledge workers

D.
one web port for every 20 knowledge workers