Network administrator configures RIPng protocol in a small IPvs network, which of the following configuration is correct and effective?

Network administrator configures RIPng protocol in a small IPvs network, which of the following configuration is correct and effective?
A . [RTA-GigabitEthernet0/0/0] ripng 1 enable
B . [RTA] ripng 1 enable
C . <RTA>ripng 1 enable
D . [RTA-ripng-1] ripng 1 enable

Answer: A