WhatarethreecommonreasonsforATMCRCerrors?()
A.IncorrectVPIandVCIconfiguration
B.Noise,gainhits,orothertransmissionproblemsonthedatalinkequipment
C.ATMcellsaredroppedduetoincorrectATMroutingintheserviceprovider.
D.AfaultyorfailingATMinterface.
E.CellsaredroppedduetotrafficpolicingintheATMcloudononeormorevirtualcircuitsattachedtotheATMinterface