Routers A and B configure and use a GRE tunnel, using OSPFv2 to learn IPv4 routes over that tunnel. Router A has a LAN IP address/mask of 172.16.1.0/24 and a tunnel source of 8.8.8.8. Router B has a LAN IP address/mask of 172.16.2.0/24 and a tunnel source of 9.9.9.9. Which of the following routes will router A likely learn with OSPFv2 so that the route lists the tunnel interface as the outgoing interface ?
Select one of the following: