Router R1 currently has no configuration related to IPv6 or IPv4. The following configuration exists in a planning document, intended to be used to copy/paste into Router R1 to enable RIPng and IPv6 on interfaces F0/0 and S0/0/0. No other related configuration exists. Which of the following is true about RIPng on R1 after this configuration has been pasted into R1?（） ipv6 unicast- routing interface f0/0 ipv6 rip one enable ipv6 address 2000::1/64 interface s0/0/0 ipv6 address 2001::/64 eui - 64 ipv6 rip one enable
- A RIPng will be enabled on no interfaces.
- B RIPng will be enabled on one interface.
- C RIPng will be enabled on two interfaces.
- D RIPng will advertise about prefixes connected to S0/0/0 and F0/0, but only send Updates on one interface.