单项选择题
Which of the following commands will display a router’s crypto map IPsec security associationsettings？（）
A.show crypto map ipsec sa B.show crypto map C.show crypto engine connections active D.show ipsec crypto map E.show crypto map sa F.show ipsec crypto map sa
单项选择题 Whichofthefollowingisnotacharacteristicoffastswitching？（）
单项选择题 Whichofthefollowingcommandswillrestoreapreviouslyarchivedconfigurationbyreplacingtherunningconfigurationwiththearchivedconfiguration？（）
单项选择题 Inwhatsituationwouldthecommandiphelper-addressberequired？（Choosethebestanswer.）（）
