Refer to the exhibit.
Router 1: mpls traffic-eng tunnels ! router ospf 2 mpls traffic-eng router-id loopback 0 mpls traffic-eng area 0 ! interface gigabitethernet0/1 ip rsvp bandwith ! interface tunnel 1 ip unnumbered loopback 0 tunnel destination 192.168.4.1 tunnel mode mpls traffic-eng tunnel mpls traffic-eng bandwidth 150 tunnel mpls traffic-eng autoroute announce
Router 2: mpls traffic-eng tunnels ! router ospf 2 mpls traffic-eng router-id loopback 0 mpls traffic-eng area 0 ! interface gigabitethernet0/1 mpls traffic-eng tunnels ip rsvp bandwith
Router 1 has attempted to establish a Cisco MPLS TE tunnel to router 2, but the tunnel has failed. Which statement about this configuration is true?

A.	Router 1 must define an explicit path to router 2
B.	Router 1 and router 2 must define the RSVP bandwidth reserved on the physical interfaces
C.	Router 2 must have a tunnel interface created with router 1 as the destination
D.	Router 1 must have Cisco MPLS TE enabled on interface gigabitethernet0/1