单选题A new Catalyst switch is connected to an existing switch using a crossover cable. As a result of this, what would the switch port link lights display?()A The switch port link lights will be off on both switches indicating the ports are not connected.B The switch port link light will be off on one switch indicating that STP has disabled the port.C The switch port link lights will flash amber indicating an error.D The switch port link lights will be green indicating normal operation.
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多选题What are two results of entering the Switch(config)# vtp mode client command on a Catalyst switch?()AThe switch will ignore VTP summary advertisementsBThe switch will forward VTP summary advertisementsCThe switch will process VTP summary advertisementsDThe switch will originate VTP summary advertisementsEThe switch will create, modify and delete VLANs for the entire VTP domain
单选题Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?()A the switch with the lowest MAC addressB the switch with the higest MAC addressC the switch witch the higest IP addressD the switch with the lowest IP address
单选题Refer to the exhibit. What switch proves the spanning-tree designated port role for the network segment that services the printers?()ASwitch1BSwitch2CSwitch3DSwitch4
多选题What are two results of entering the Switch(config)# vtp mode client command on a Catalyst switch?()AThe switch will ignore VTP summary advertisements.BThe switch will forward VTP summary advertisements.CThe switch will process VTP summary advertisements.DThe switch will originate VTP summary advertisements.EThe switch will create, modify and delete VLANs for the entire VTP domain.
单选题What will an Ethernet switch do if it receives a unicast frame with a destination MAC that is listed in the switch table()。A The switch will not forward unicast frames.B The switch will forward the frame to a specific port.C The switch will return a copy of the frame out the source port.D The switch will remove the destination MAC from the switch table.E The switch will forward the frame to all ports except the port on which it was received.
单选题In which of the following lists of APS Action Requests is the priority correctly arranged from lowest tohighest?()A Wait-to-Restore,Forced Switch,Manual Switch,Lockout of ProtectionB Manual Switch,Wait-to-Restore,Lockout of Protection,Forced SwitchC Lockout of Protection,Forced Switch, Manual Switch,Wait-to-RestoreD Lockout of Protection,Manual Switch, Forced Switch,Wait-to-RestoreE Wait-to-Restore,Manual Switch,Forced Switch,Lockout of ProtectionF Wait-to-Restore,Manual Switch,Lockout of Protection,Forced Switch