Cisco Exam Questions

Which type of voice port will allow the gateway to terminate 23 or 30 circuits from the PSTN or a PB

Which type of voice port will allow the gateway to terminate 23 or 30 circuits from the PSTN or a
PBX?

A.
FXO

B.
FXS

C.
PRI T1/E1

D.
E&M

E.
BRI