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WhichstatementistrueaboutaSmurfattack?()

A.Itsendspingrequestsinsegmentsofaninvalidsize
B.ItinterceptsthethirdstepinaTCPthree-wayhandshaketohijackasession
C.Itsendspingrequeststoasubnet,requestingthatdevicesonthatsubnetsendpingrepliestoatargetsystem
D.ItusesTrojanhorseapplicationstocreateadistributedcollectionof"zombie"computers,whichcanbeusedtolaunchacoordinatedDDoSattack
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