The serial connection shown in the graphic needs to be configured. Which configuration commands must be made on the Sydney router to establish connectivity with the Melbourne site?

     A.    Sydney(config-if)# ip address 201.100.53.2 255.255.255.0
     B.    Sydney(config-if)# no shutdown
     C.    Sydney(config-if)# ip address 201.100.53.1 255.255.255.224
     D.    Sydney(config-if)# clock rate 56000 
     E.    Sydney(config-if)# ip host Melbourne 201.100.53.2

ANS: A,B,D