多项选择题
A.Mismatched EtherChannel protocol
B.Mismatched EtherChannel port selection
C.Mismatched EtherChannel distribution algorithm
D.Mismatched trunk mode
E.Mismatched native VLAN
F.Mismatched link speed
单项选择题 WhichofthefollowingtypesofNATallowsmultipleprivateinternalIPaddressestouseasinglepublicexternalIPaddress？（）
多项选择题 WhichofthefollowingcharacteristicsaretrueassumingyouaretroubleshootinganetworkcurrentlyenabledforVRRP？（Chooseallthatapply.）（）
多项选择题 WhichofthefollowingstatementsaretrueregardingLayer3switches？（Chooseallthatapply.）（）