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单选题
Which command enables RSTP on a switch?()
A
spanning-tree mode rapid-pvst
B
spanning-tree uplinkfast
C
spanning-tree backbonefast
D
spanning-tree mode mst
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A.Switch(config)#spanning-tree mode rapid-pvstB.Switch#spanning-tree mode rapid-pvstC.Switch(config)#spanning-tree mode 802.1wD.Switch#spanning-tree mode 802.1w
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Which command enhances the 802.1D convergence time on ports that are connected to hosts?()
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考题
Which command enables RSTP on a switch?()
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考题
Which command enables RSTP on aswitch?()
A.spanning-tree mode rapid-pvstB.spanning-tree uplinkfastC.spanning-tree backbonefastD.spanning-tree mode mst
考题
Which of the following commands can be issued without interfering with the operation of loop guard?()A、Switch(config-if)#spanning-tree guard rootB、Switch(config-if)#spanning-tree portfastC、Switch(config-if)#switchport mode trunkD、Switch(config-if)#switchport mode access
考题
Which spanning-tree command would cause a PortFast-enabled interface to lose its PortFast-operational status and disable BPDU filtering if it receives BPDUs?()A、spanning-tree guard rootB、spanning-tree portfast bpduguard defaultC、spanning-tree bpduguard enableD、spanning-tree bpdufilter enableE、spanning-tree portfast bpdufilter default
考题
Which command enables RSTP on aswitch?()A、spanning-tree mode rapid-pvstB、spanning-tree uplinkfastC、spanning-tree backbonefastD、spanning-tree mode mst
考题
A port in a redundant topology is currently in the blocking state and is not receiving BPDUs. To ensure that this port does not erroneously transition to the forwarding state, which command should be configured to satisfy the requirement?()A、Switch(config)#spanning-tree loopguard defaultB、Switch(config-if)#spanning-tree bdpufilterC、Switch(config)#udld aggressiveD、Switch(config-if)#spanning-tree bpduguard
考题
哪个命令可以在交换机启用RSTP? ()A、 spanning-tree mode rapid-pvstB、 spanning-tree uplinkfastC、 spanning-tree backbonefastD、 spanning-tree mode mst
考题
Which term describes a spanning-tree network that has all switch ports in either the blocking or forwardingstate? ()A、redundantB、spannedC、provisionedD、converged
考题
The Company network utilizes the Multiple-instance Spanning Tree protocol in its switched LAN. Which three statements about the MST protocol (IEEE 802.1S) are true? ()A、 To verify the MST configuration, the show pending command can be used in MST configuration mode.B、 When RSTP and MSTP are configured; UplinkFast and BackboneFast must also be enabled.C、 All switches in the same MST region must have the same VLAN-to-instance mapping, but different configuration revision numbers.D、 All switches in an MST region, except distribution layer switches, should have their priority lowered from the default value 32768.E、 An MST region is a group of MST switches that appear as a single virtual bridge to adjacent CST and MST regions.F、 Enabling MST with the "spanning-tree modemst" global configuration command also enables RSTP.
考题
Which configuration is used to enable root guard?()A、interface gig3/1 spanning-tree guard rootB、interface gig3/1 spanning-tree root guardC、interface gig3/1 spanning-tree root-guardD、interface gig3/1 spanning-tree root-guard default
考题
Which command enables RSTP on a switch?()A、spanning-tree mode rapid-pvstB、spanning-tree uplinkfastC、spanning-tree backbonefastD、spanning-tree mode mst
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Which command enhances the 802.1D convergence time on ports that are connected to hosts?()A、spanning-tree backbonefastB、spanning-tree uplinkfastC、spanning-tree portfastD、spanning-tree cost512
考题
In which Spanning-Tree states does a switch port learn MAC addresses?()A、BlockingB、ListeningC、ForwardingD、LearningE、Relaying
考题
单选题Which command enables RSTP on a switch?()A
spanning-tree mode rapid-pvstB
spanning-tree uplinkfastC
spanning-tree backbonefastD
spanning-tree mode mst
考题
单选题Which command enables RSTP on aswitch?()A
spanning-tree mode rapid-pvstB
spanning-tree uplinkfastC
spanning-tree backbonefastD
spanning-tree mode mst
考题
单选题Which of the following commands can be issued without interfering with the operation of loop guard?()A
Switch(config-if)#spanning-tree guard rootB
Switch(config-if)#spanning-tree portfastC
Switch(config-if)#switchport mode trunkD
Switch(config-if)#switchport mode access
考题
单选题Which term describes a spanning-tree network that has all switch ports in either the blocking or forwarding state?()A
redundantB
spannedC
provisionedD
converged
考题
单选题Which configuration is used to enable root guard?()A
interface gig3/1 spanning-tree guard rootB
interface gig3/1 spanning-tree root guardC
interface gig3/1 spanning-tree root-guardD
interface gig3/1 spanning-tree root-guard default
考题
单选题Which term describes a spanning-tree network that has all switch ports in either the blocking or forwardingstate? ()A
redundantB
spannedC
provisionedD
converged
考题
多选题In which Spanning-Tree states does a switch port learn MAC addresses?()ABlockingBListeningCForwardingDLearningERelaying
考题
单选题A port in a redundant topology is currently in the blocking state and is not receiving BPDUs. To ensure that this port does not erroneously transition to the forwarding state, which command should be configured to satisfy the requirement?()A
Switch(config)#spanning-tree loopguard defaultB
Switch(config-if)#spanning-tree bdpufilterC
Switch(config)#udld aggressiveD
Switch(config-if)#spanning-tree bpduguard
考题
单选题哪个命令可以在交换机启用RSTP? ()A
spanning-tree mode rapid-pvstB
spanning-tree uplinkfastC
spanning-tree backbonefastD
spanning-tree mode mst
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