Which BGP community is used to prevent the advertisement of the BGP prefix to other BGP peers？（）

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

A.Show mpls forwading-table
B.Show mpls ldp bindings
C.Show mpls ldp neighbor detail
D.Show mpls ldp parameters
E.Show mpls ldp discovery