You are deploying an RSVP-based MPLS network in your core. You must ensure that your LSPs are continually analyzing the usage levels and recalculating the best LSP. You also want to ensure that a minimal amount of traffic is lost when an LSP is re-signaled without user intervention.
Which two features must be enabled in this scenario? (Choose two.)
A. adaptive
B. MPLS fast reroute
C. class of service
D. auto-bandwidth