Cisco Exam Questions

Which type of voice port will be most cost effective to allow the gateway to terminate two circuits

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Which type of voice port will be most cost effective to allow the gateway to terminate two circuits
from the PSTN or a PBX?

A.
FXO

B.
FXS

C.
PRI T1

D.
E1

E.
E&M

F.
BRI

G.
CAS T1

H.
E1