Exhibit

Study the exhibit. When Certkiller dials 1000 what phone will ring?

A.
Phone Certkiller A

B.
Phone Certkiller B

C.
Phone Certkiller C

D.
Phone Certkiller D

Explanation:

As the calling search space for Jack Bill phone is IT partition, but since the phones Certkiller A, B or C do not belong to the IT partition, they won’t ring