What are two reasons to implement Cisco IOS MPLS Bandwidth-Assured Layer 2 Services? (Choose two.)
A. guaranteed bandwidth and peak rates as well as low cycle periods, regardless of which systems access the device
B. increased resiliency through MPLS FRR for AToM circuits and better bandwidth utilization through MPLS TE
C. enabled services over an IP/MPLS infrastructure, for enhanced MPLS Layer 2 functionality
D. provided complete proactive protection against frame and device spoofing
