Refer to the exhibit. An engineer is configuring the HO router. Which IPv6 address configuration must be applied to the router fa0/1 interface for the router to assign a unique 64-bit IPv6 address to itself?

A. ipv6 address 2001:DB8:0:1:FFFF:C601:420F:7/64
B. ipv6 address 2001:DB8:0:1:FE80:C601:420F:7/64
C. ipv6 address 2001:DB8:0:1:C601:42FF:FE0F:7/64
D. ipv6 address 2001:DB8:0:1:C601:42FF:800F:7/64