An engineer is troubleshooting end-to-end customer traffic across an MPLS VPN service provider network. Which tasks should the engineer use to solve the routing issues? Drag and drop the table types from the left onto the most useful troubleshooting tasks/router types on the right. (Not all options are used.)

Refer to the exhibit. Router 1 is connected to router 2 on interface TenGigE0/1.
Which interface provides the alternate path to 172.16.200.9/32 when the link between router 1 and router 2 goes down?