Which two considerations are important when implementing a Cisco MPLS TE NHOP or NNHOP protection?

A.	The head-end router requires configuring high priority for the Cisco MPLS TE tunnel.
B.	The head-end router requires configuration for the NHOP or NNHOP protection request to occur.
C.	The reconvergence time must be no longer than 10 seconds.
D.	The Cisco MPLS TE tunnel on the Point of Local Repair implementing protection requires configuration as backup interface.
E.	The tail-end router must be aware of the request for NHOP or NNHOP protection.