多项选择题
Which of the following procedures are involved in the recommended three-step troubleshootingflow？（Choose the best three answers.）（）
A.Problem report B.Problem collaboration C.Problem diagnosis D.Problem resolution E.Problem documentation F.Probiem authentication
单项选择题 WhichofthefollowingvirtualMACaddressesiscorrectfortheHSRPgroup22？（）
多项选择题 Whichofthefollowingareconsideredsubcomponentsoftheproblemdiagnosisstepofthetroubleshootingflow？（Chooseallthatapply.）（）
单项选择题 WhichofthefollowingisnotacharacteristicofCiscoExpressForwarding？（）
