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In the Cisco FabricPath domain， one switch becomes the root 

题目
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In the Cisco FabricPath domain， one switch becomes the root for the multidestination tree. Cisco FabricPath switches compare which three parameters to select the root？ （）
A

Root priority

B

System ID

C

Bridge ID

D

Switch ID

E

Port ID

F

Subswitch ID

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相似问题和答案

第1题：

Refer to the exibit. Three cisco 2950 switches are set to their default priority sttings.During the spanningtree process,which switch will be elected as the root bridge?()

A.Switch3

B.Switch4

C.Switch2

D.Switch1


参考答案：D

第2题：

In the Cisco FabricPath domain， one switch becomes the root for the multidestination tree. Cisco FabricPath switches compare which three parameters to select the root？ （）

  • A、 Root priority
  • B、 System ID
  • C、 Bridge ID
  • D、 Switch ID
  • E、 Port ID
  • F、 Subswitch ID

正确答案:A,B,D

第3题：

Which VTP mode should a Cisco switch be set to if this switch is to add or delete VLANs to a management domain?

A．Transparent

B．Server

C．Auto

D．Client

E．User


正确答案：B
解析：Explanation:VTPModes:IfyouintendtomakeaswitchpartofaVTPmanagementdomain,eachswitchmustbeconfiguredinoneofthreepossibleVTPmodes.TheVTPmodeassignedtoaswitchwilldeterminehowtheswitchinteractswithotherVTPswitchesinthemanagementdomain.ThethreeVTPmodesthatcanbeassignedtoaCiscoswitchincludeservermode,clientmode,andtransparentmode.Eachoftheserolesisoutlinedbelow:ServerMode:OnceVTPisconfiguredonaCiscoswitch,thedefaultmodeusedisServerMode.InanygivenVTPmanagementdomain,atleastoneswitchmustbeinServerMode.WheninServerMode,aswitchcanbeusedtoadd,delete,andmodifyVLANs,andthisinformationwillbepassedtoallotherswitchesintheVTPmanagementdomain.ClientMode:WhenaswitchisconfiguredtouseVTPClientMode,itissimplytherecipientofanyVLANsadded,deleted,ormodifiedbyaswitchinServerModewithinthesamemanagementdomain.AswitchinVTPclientmodecannotmakeanychangestoVLANinformation.TransparentMode:AswitchinVTPTransparentModewillpassVTPupdatesreceivedbyswitchesinServerModetootherswitchesintheVTPmanagementdomain,butwillnotactuallyprocessthecontentsofthesemessages.WhenindividualVLANsareadded,deleted,ormodifiedonaswitchrunningintransparentmode,thechangesarelocaltothatparticularswitchonly,andarenotpassedtootherswitchesintheVTPmanagementdomain.BasedontherolesofeachVTPmode,theuseofeachshouldbemoreorlessobvious.Forexample,ifyouhad15Ciscoswitchesonyournetwork,youcouldconfigureeachofthemtobeinthesameVTPmanagementdomain.AlthougheachcouldtheoreticallybeleftinthedefaultServerMode,itwouldprobablybeeasiertoleaveonlyoneswitchinthisconfiguration,andthenconfigureallremainingswitchesforVTPClientMode.Then,whenyouneedtoadd,delete,ormodifyaVLAN,thatchangecanbecarriedoutontheVTPServerModeswitchandpassedtoallClientModeswitchesautomatically.Incaseswhereyouneedaswitchtoactinarelativelystandalonemanner,ordonotwantittopropagateinformationaboutitsconfiguredVLANs,useTransparentMode.IncorrectAnswers:A.AswitchinVTPTransparentModewillpassVTPupdatesreceivedbyswitchesinServerModetootherswitchesintheVTPmanagementdomain,butwillnotactuallyprocessthecontentsofthesemessages.C,E.ThesearenotvalidVTPmodes.D.ClientmodemerelyacceptschangesmadebytheswitchthatisconnectedandinSERVERmode.

第4题：

What is the default Time to Live （TTL） valuse in Cisco FabricPath？（）

  • A、 128
  • B、 32
  • C、 64
  • D、 Dependent on the number of switch IDs in the topology

正确答案:B

第5题：

The hardware and software configurations for vPC+ are similar to that of traditional vPC. What are the differences in the configuration of vPC+？ （）

  • A、 FabricPath switch ID must be configured under the vPC domain.
  • B、 Virtual switch ID of vPC+ must be configured under FabricPath domain.
  • C、 On Cisco Nexus 7000 Series Switch， F1 interfaces must be used as the vPC+ peer links.
  • D、 The vPC+ peer link must be configured as a Cisco FabricPath core port （switchport mode fabricpath）.
  • E、 FabricPath subswitch ID must be configured under the vPC domain.

正确答案:A,C,D

第6题：

A switch is configured as a vtp sever with a domain name of CCNA.Which cisco ios privileged mode command,followed by a reload of the swith,will reset the VTP management domain name of the switch to a NULL value?（）

A.#vtp domain unset

B.#delete vlan.dat

C.#no vtp domain

D.#vtp domain null


参考答案：B

第7题：

After configuring FabricPath， the following appears in the syslog：  %STP-2-L2GW_BACKBONE_BLOCK： L2 Gateway Backbone port inconsistency blocking port port-channel100 on VLAN0010.  What is the cause of this message？ （）      

  • 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.

正确答案:D

第8题：

Refer to the exhibit. Given the output shown from this Cisco Catalyst 2950, what is the most likely reason that interface FastEthernet 0／10 is not the root port for VLAN 2?()

A.This switch has more than one interface connected to the root network segment in VLAN 2.

B.This switch is running RSTP while the elected designated switch is running 802.1d Spanning Tree.

C.This switch interface has a higher path cost to the root bridge than another in the topology.

D.This switch has a lower bridge ID for VLAN 2 than the elected designated switch.


参考答案：C

第9题：

Refer to the exibit. Three cisco 2950 switches are set to their default priority sttings.During the spanningtree process,which switch will be elected as the root bridge?（）

  • A、Switch3
  • B、Switch4
  • C、Switch2
  • D、Switch1

正确答案:D

第10题：

A switch is configured as a vtp sever with a domain name of CCNA.Which cisco ios privileged mode command,followed by a reload of the swith,will reset the VTP management domain name of the switch to a NULL value?（）

  • A、#vtp domain unset
  • B、#delete vlan.dat
  • C、#no vtp domain
  • D、#vtp domain null

正确答案:B

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