To enable OSPFv3, which of the following would you use?

[A].	Router1(config-if)# ipv6 ospf 10 area 0.0.0.0
[B].	Router1(config-if)# ipv6 router rip 1
[C].	Router1(config)# ipv6 router eigrp 10
[D].	Router1(config-rtr)# no shutdown
[E].	Router1(config-if)# ipv6 eigrp 10

Answer: Option A

Explanation:

To enable OSPFv3, you enable the protocol as with RIPng. The command string is ipv6 ospf <process-id> area <area-id>.