能够将分布交换机配置为生成树的主根交换机的命令是（）。A、spanning-tree vlan vlan-id primaryB、spanning-tree vlan vlan-id root primaryC、spanning-tree root primaryD、spanning-tree bridge root
能够将分布交换机配置为生成树的主根交换机的命令是（）。
- A、spanning-tree vlan vlan-id primary
- B、spanning-tree vlan vlan-id root primary
- C、spanning-tree root primary
- D、spanning-tree bridge root
相关考题：
Catalyst 3500 (Catalyst OS (CatOS)系统）中配置UnlinkFast生成树可选功能的命令格式( )。A) spanning-tree uplinkfastcrB) set spantree uplinkfast enablecrC) spanning-tree uplinkfast max-update-rate0-32000orD) spanning-tree vlanvlanroot primary
加快Catalyst 3548发生直接链路失效时的收敛速度，正确配置生成树可选功能的命令是( )。A) spanning-tree backbonefastB) spanning-tree porfast defaultC) spanning-tree uplinkfast max-update-rate 32000D) set span tree uplindfast enable rate 40
要将交换机100M端口的路径成本设置为25,以下哪个命令是正确的?() A.Switch(config)#spanning-tree cost 25B.Switch(config-if)#spanning-tree cost 25C.Switch(config)#spanning-tree priority 25D.Switch(config-if)#spanning-tree path-cost 25
●试题一下面是某交换机的部分配置信息，解释(n)处标有下划线的部分含义。SwitchASwitchAenableSwitchA#SwitchA#config terminal (1)SwitchA(config)#SwitchA(config)#ip address 192.168.1.1 255.255.255.0……SwitchA(config)#interface fastethernet0/1SwitchA(config-if)#speed 100 (2)……SwitchA#vlan databaseSwitchA(vlan)#vtp server (3)SwitchA(vlan)#vlan 2SwitchA(vlan)#vlan 3 name vlan3 (4)SwitchB#config terminalSwitchB#vlan databaseSwitchB(vlan)#vlan client (5)SwitchB(config)#interface f0/9SwitchB(config-if)#switchport mode accessSwitchB(config)# switchport access vlan 2 (6)……SwitchA(config)#interface f0/23SwitchA(config-if)#switchport mode trunk (7)SwitchA(config-if)#spanning-tree vlan1 port-priortiy 10SwitchA(config-if)#spanning-tree vlan2 port-priortiy 10SwitchA(config-if)#exitSwitchA(config)#interface f0/24SwitchA(config-if)#spanning-tree vlan3 port-priortiy 10SwitchA(config-if)#spanning-tree vlan4 port-priortiy 10SwitchA(config-if)#endSwitchA(config)#interface f0/23SwitchA(config-if)#spanning-tree vlan2 cost 30 (8)SwitchA(config-if)#endSwitchA#!!
Which two of the following values does STP take into consideration when it elects the root bridge? (Select two answer choices)A. The BPDU version numberB. The access layer bridge settingC. The Bridge IDD. The spanning-tree update numberE. The bridge priorityF. The VLAN number
命令“spanning-tree vlan”的功能是()。A.Catalyst3500系统下启用STPB.Catalyst6500系统下启用STPC.Catalyst3500系统下配置生成树优先级D.上述说法都
要获悉当前交换机是哪些VLAN的根网桥,可使用下面哪两个命令?() A.show spanning-treeB.show root allC.show spann-ing-tree port root VLAND.show spanning-tree summary
Which statement describes a spanning－tree network that has converged?() A. All switch and bridge ports are in the forwarding state.B. All switch and bridge ports are assigned as either root or designated ports.C. All switch and bridge ports are in either the forwarding or blocking state.D. All switch and bridge ports are either blocking or looping.
Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per－VLAN Spanning－Tree plus?() A. PortFastB. UplinkFastC. loop guardD. root guardE. BPDU guardF. BackboneFast
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
图5-5是在某交换机配置过程中，在配置模式下执行(30)命令的系统输出信息。A．show spanning-treeB．show spanning-tree vlan 1C．show spanning-tree detailD．show spanning-tree summary
当你想关闭一台直接连在服务器上的交换机上的STP功能时，你不会使用下面哪些命令（）A、Disablespanning-treeB、spanning-tree offC、spanning-tree securityD、spanning-tree portfastE、spanning-tree down
在单链路上联的接入交换机上部署环路预防策略时，需要做哪些生成树相关工作？（）A、上联口开启spanning-tree filterB、下联口开启spanning-tree filterC、下联口开启spanning-tree portfastD、下联口开启spanning-tree bpduguard
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
Which two of the following values does STP take into consideration when it elects the root bridge?（）A、The BPDU version numberB、The access layer bridge settingC、The Bridge IDD、The spanning-tree update numberE、The bridge priorityF、The VLAN number
What value is primarily used to determine which port becomes the root port on each non root switch in a spanning-tree topology?（）A、path costB、lowest port MAC addressC、VTP revision numberD、highest port priority numberE、port priority number and MAC address
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
Which three options are considered in the spanning-tree decision process？（）A、lowest root bridge IDB、lowest path cost to root bridgeC、lowest sender bridge IDD、highest port IDE、highest root bridge IDF、highest path cost to root bridge
Exhibit SW1#show spanning-tree vlan 200 VLAN200 Spanning tree enabled protocol iee eRoot ID Priority 32968 Address 000c.ce29.ef00 Cost 19 Port 2 （FastEthernet0/2） Hello time 10 Sec Max Age 20 sec Forward Delay 30 sec Bridge ID Priority 32968 （priority 32768 sys-id-ext 200） Address 000c.ce2a.4180 Hello Time 2 sec Max Age 20 Sec Forward Delay 15 sec Interface Role Sts Cost PrioNbr Type Fa0/2 Root FWD 19 128.2 P2p Fa0/3 Altn BLK 19 128.3 P2p Based on the show spanning-tree vlan 200 output shown in the exhibit， which two statementsabout the STP process for VLAN 200 are true？（）A、BDPUs will be sent out every two secondsB、The time spent in the listening state will be 30 secondsC、The time spent in the learning state will be 15 secondsD、The maximum length of time that the BPDU information will be saved is 30 secondsE、This switch is the root bridge for VLAN 200F、BPDUs will be sent out every 10 seconds
Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus?（）A、PortFastB、UplinkFastC、loop guardD、root guardE、BPDU guardF、BackboneFast
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
单选题命令“spanning-tree vlan”的功能是（ ）。ACatalyst 3500系统下启用STPBCatalyst 6500系统下启用STPCCatalyst 3500系统下配置生成树优先级D上述说法都不对
单选题能够将分布交换机配置为生成树的主根交换机的命令是（）。Aspanning-tree vlan vlan-id primaryBspanning-tree vlan vlan-id root primaryCspanning-tree root primaryDspanning-tree bridge root
多选题Which three options are considered in the spanning-tree decision process？（）Alowest root bridge IDBlowest path cost to root bridgeClowest sender bridge IDDhighest port IDEhighest root bridge IDFhighest path cost to root bridge
单选题What value is primarily used to determine which port becomes the root port on each non root switch in a spanning-tree topology?（）Apath costBlowest port MAC addressCVTP revision numberDhighest port priority numberEport priority number and MAC address
多选题Which two of the following values does STP take into consideration when it elects the root bridge?（）AThe BPDU version numberBThe access layer bridge settingCThe Bridge IDDThe spanning-tree update numberEThe bridge priorityFThe VLAN number
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