A.ThedeniedMACaddresseshavealreadybeenlearnedorconfguredonanothersecureinterfaceinthesameVLAN.
B.ThedeniedMACaddressarestaticallyconfiguredontheport.
C.TheminimumMACthresholdhasbeenreached.
D.TheabsoluteagingtimesforthedeniedMACaddresseshaveexpired.