多项选择题
A.Cisco
B.ANSI-Annex D
C.Q.931-Annex B
D.Q.933-Annex A
多项选择题 nyourCiscoEIGRPnetwork，younoticethattheneighborrelationshipbetweentwoofyourrouterswasrecentlyrestarted.Whichtwoofthesechoicescouldhavemadethisoccur？（）
多项选择题 WhichtwooftheseelementsneedtobeconfiguredpriortoenablingSSH？（）
多项选择题 ThenetworkadministratorwantstoenableanEtherChannelbetweentwoswitchesin"on"mode.Theadministratorconnectsthecablesandenablestheinterfaces，butwhileconfiguringtheEtherChannelinthefirstswitch，aspanning-treeloopwasdetected.Whichtwooftheseprocedurescanavoidthisproblem？（）