You are establishing RSVP LSPs through your MPLS-enabled network. You are asked to ensure that the LSPs will support end-to-end class-of-service handling.
Which statement is correct in this scenario?
Configure ultimate-hop-popping on the egress device.
Configure implicit-null on all MPLS-enabled devices.
Configure explicit-null on all MPLS-enabled devices.
Configure entropy-label on the egress device.