Which three statements are correct regarding a Cisco MPLS TE? (Choose three.)

A.
A Cisco MPLS TE tunnel maps onto an LSP path.

B.
Tunnels are bidrectional by default.

C.
Packets that are mapped into a Cisco MPLS TE tunnel will have two labels, with the top label
indicating what the tail-end router should do with the packet.

D.
A tunnel that is created with a priority of 0 can pre-empt an existing tunnel with a priority of 7.

E.
CBR takes into account link resource and traffic tunnel attributes.

F.
RSVP is used between customer routers.