单项选择题
A.NAT mapping
B.NAT overloading
C.NAT caching
D.Static NAT
E.Dynamic NAT
F.Overlapping NAT
多项选择题 WhichofthefollowingcharacteristicsaretrueassumingyouaretroubleshootinganetworkcurrentlyenabledforVRRP？（Chooseallthatapply.）（）
多项选择题 WhichofthefollowingstatementsaretrueregardingLayer3switches？（Chooseallthatapply.）（）
多项选择题 YouareusingAutoQoSEnterpriseandrealizethattheresultsarenotwhatyouexpected.WhichofthefollowingarepossiblereasonsforAutoQoSnotfunctioningcorrectly？（Chooseallthatapply.）（）