You are CCNA VOICE associate in Certkey.com. You need configure PSTN voice gateway. Which two dial peers will correctly route calls to emergency services?

A.
dial-peer voice 1 pots destination-pattern 9911 prefix 911 port 1/0/0

B.
dial-peer voice 2 pots destination-pattern 911 forward-digits all port 1/0/0

C.
dial-peer voice 9911 pots destination-pattern 9911 forward-digits all port 1/0/0

D.
dial-peer voice 2 pots destination-pattern 911 forward-digits 3 port 1/0/1