Which two dial peers can be selected as inbound dial peers?

Refer to the exhibit.

400-051-ccie-collaboration_img_294
A PSTN caller initiates an inbound call. Which two dial peers can be selected as inbound dial peers? (Choose two.)
A. dial-peer voice 100 pots
answer-address [2-9]..[2-9]…$
voice-port 0/0/0:23
B. dial-peer voice 200 pots
destination-pattern [2-9]..[2-9]..[2-9]…$
voice-port 0/1/0:15
C. dial-peer voice 300 pots
incoming called-number 704[2-9]…$
voice-port 0/1/0:15
D. dial-peer voice 400 pots
answer-address 672[2-9]…$
voice-port 0/0/0:15
E. dial-peer voice 500 pots
incoming called-number 6..[2345689]…$
voice-port 0/1/0:15

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3 thoughts on “Which two dial peers can be selected as inbound dial peers?

  1. only D matches
    the others do not match the port
    A would be the next choice as this looks like an E1 with 15 and 23 for signaling

  2. Can anyone explain why answer “E” is correct?
    In this dial-peer neither the called-number nor the port are matching.
    The correct answers are B as the destination number matches the calling number and D as the port matches the incoming port.

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