单项选择题
A. STP must be disabled； message indicates that STP is enabled.
B. STP is misconfigured； root guard must be disabled.
C. An inferior BPDU is received on a Cisco FabricPath edge port.
D. A superior BPDU is received on a Cisco FabricPath edge port.
多项选择题 SmartCallHomeprovidesanemail-basednotificationforcriticalsystempolicies.Arangeofmessageformatsareavailableforcompatibilitywithpagerservices，standardemail，orXML-basedautomatedparsingapplications.DestinationprofilesareusedbySmartCallHomewhensendingnotifications.WhichofthesearepredefineddestinationprofilessupportedbyCiscoNX-OSSoftware？（）
多项选择题 ThehardwareandsoftwareconfigurationsforvPC+aresimilartothatoftraditionalvPC.WhatarethedifferencesintheconfigurationofvPC+？（）
多项选择题 CiscoNX-OSSoftwaresupportsSNMPv1，SNMPv2c，andSNMPv3.BothSNMPv1andSNMPv2cuseacommunity-basedformofsecurity.SNMPv3providessecureaccesstodevicesbyacombinationofauthenticatingandencryptingframesoverthenetwork.WhichsecurityfeaturesareprovidedinCiscoNX-OSSNMPv3？（）