Which command specifies an RT for VRF my_vpn?

A.
Router (config-vrf)# route-target both 12703:15

B.
Router (config-router-af)# route-target import 12703:15

C.
Router (config)# ip vrf my_vpn route-target import
12703:15

D.
Router (config-if)# ip vrf my_vpn route-target import 12703:15

Explanation:
route-target To create a route-target extended community for a VRF, use the route-target VRF
submode command. To disable the configuration of a route-target community option, use the
noform of this command. route-target{import | export | both}route-target-ext-community noroutetarget {import | export | both}routetarget- ext-community Syntax Description import Imports routing
information from the target VPN extended community. export Exports routing information to the
target VPN extended community. both Imports both import and export routing information to the
target VPN extended community.
route-target-ext-community Adds the route-target extended community attributes to the VRF’s list
of import, export, or both (import and export) route-target extended communities.

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