A.SourceNATwithaddressshiftingtranslatesboththesourceIPaddressandthesourceportofapacket.
B.SourceNATwithaddressshiftingdefinesaone-to-onemappingfromanoriginalsourceIPaddresstoa translatedsourceIPaddress.
C.SourceNATwithaddressshiftingcantranslatemultiplesourceIPaddressestothesametranslatedIP address.
D.SourceNATwithaddressshiftingallowsinboundconnectionstobeinitiatedtothestaticsourcepoolIP addresses.
参考答案：B
