WhichtwoofthesearecharacteristicsofMPLSVPNs?()
A. Layer3MPLSVPNscanforwardonlyIPpackets
B. Layer2MPLSVPNscanforwardanynetworkprotocol
C. MPLSlabelpathsareautomaticallyformedbasedonLayer2frames
D. Layer3MPLSVPNscanforwardanynetworkprotocolbasedonLayer2frames
E. InLayer2MPLSVPNS,theserviceprovidercontrolsthecustomerLayer3policies