When should traffic shaping be implemented on Frame Relay PVCs? (Choose two)
A.
When you want to drop excess traffic above the CIR
B.
When there is a speed mismatch between the central site and the remote site.
C.
When using Frame Relay SVCs
D.
When over-subscribing the central site link
E.
When LLQ is implemented on the Frame Relay PVC.
F.
When Multilink PPP LFI is implemented on the Frame Relay PVC.