Refer to the partial Cisco IOS XR PE router VRF configuration exhibit.

To implement a central-service VPN supporting both customer1 and customer2, what will be the
required corresponding VRF configuration on the central-service-server PE router?

A.
vrf central-service-server
address-family ipv4 unicast
import route-target
3:1
2:2
export route-target
3:1
2:1
!

B.
vrf central-service-server
address-family ipv4 unicast
import route-target
3:1
2:1
export route-target
3:1
2:2
!

C.
vrf central-service-server
address-family ipv4 unicast
import route-target
3:1
1:1
1:2
export route-target
3:1
1:1
1:2
!

D.
vrf central-service-server
address-family ipv4 unicast
import route-target
3:1
1:1
1:2
2:1
2:2
export route-target
3:1
1:1
1:2
2:1
2:2
!

Explanation: