Which Cisco IOS XR configuration creates an L2VPN using BGP as auto-discovery and LDP a signaling?

Which Cisco IOS XR configuration creates an L2VPN using BGP as auto-discovery and LDP a signaling?
A . l2vpn
bridge group bg1
bridge-domain bg1_bd1
interface gig0/6/0/1.1
!
vfi bg1_db1_vifi
vpn-id 101
auto discovery bgp
rd 101:1
route-target 101:1
signaling-protocol ldp
vpls-id 1:101
B . l2vpn
bridge group bg1
bridge-domain bg1_bd1
interface gig0/6/0/1.1
!
vfi bg1_db1_vifi
vpn-id 111
auto discovery bgp
rd auto
route-target 111:1
signaling-protocol ldp
ve-id 3
C . l2vpn
bridge group bg1
bridge-domain bg1_bd1
interface gig0/6/0/1.1
!
vfi bg1_db1_vifi
vpn-id 111
auto discovery ldp
rd auto
route-target auto
signaling-protocol ldp
vpls-id auto
D . l2vpn
bridge group bg1
bridge-domain bg1_bd1
interface gig0/6/0/1.123
!
vfi bg1_db1_vifi
vpn-id 123
auto discovery bgp
rd 123:3
route-target auto
signaling-protocol ldp
vpls-id 3

View Answer

Answer: A