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If a switch is working in the fail-open mode， what will happen when the switch’s CAM table fills to capacityand a new frame arrives？（）
- A、A copy of the frame is forwarded out all switch ports other than the port the frame was received on.
- B、The frame is transmitted on the native VLAN.
- C、The switch sends a NACK segment to the frame’s source MAC address.
- D、The frame is dropped.
参考答案
更多 “If a switch is working in the fail-open mode， what will happen when the switch’s CAM table fills to capacityand a new frame arrives？（）A、A copy of the frame is forwarded out all switch ports other than the port the frame was received on.B、The frame is transmitted on the native VLAN.C、The switch sends a NACK segment to the frame’s source MAC address.D、The frame is dropped.” 相关考题
考题
若a和b均是整型变量并已正确赋值，正确的switch语句是A．switch(a+b)；{……}B．switch(a+b*3.0){……}C．switch a{……}D．switch(a％b){……}
考题
A Ezonexam Ethernet switch receives a unicast frame. with a destination MAC that is listed in the switch table. What will this switch do with the frame?A. The switch will forward the frame. to a specific portB. The switch will forward the frame. to all ports except the port on which it was receivedC. The switch will return a copy of the frame. out the source portD. The switch will not forward unicast framesE. The switch will remove the destination MAC from the switch tableF. None of the above.
考题
若a和b均是整型变量并已正确赋值，则正确的switch语句是( )。A．switch (a+b)；B．switch (a+b * 3.0) {......}{.......}C．switch aD．switch(a% b) {......}{......}
考题
WhichthreeresourceplanparametersareusedtoenableAutomaticConsumerGroupSwitchingtoestimatejobexecutiontimesautomatically,andtoperformaswitchtoalowpriorityconsumergroupbeforetheyareinitiated?()
A.SWITCH_TIMEB.SWITCH_GROUPC.MAX_SESS_POOLD.SWITCH_ESTIMATE
考题
AutomaticConsumerGroupSwitchingisanimportantnewfeatureoftheDatabaseResourceManager.Whichthreeplandirectiveparametersareusedtocontrolthisfeature?()
A.SWITCH_TIMEB.SWITCH_GROUPC.MAX_SESS_POOLD.SWITCH_ESTIMATE
考题
Whichofthefollowingcommandscanbeissuedwithoutinterferingwiththeoperationofloopguard?()
A.Switch（config-if）#spanning-treeguardrootB.Switch（config-if）#spanning-treeportfastC.Switch（config-if）#switchportmodetrunkD.Switch（config-if）#switchportmodeaccess
考题
AVTPdomainhassixactiveVLANs.Withoutnotice,allVLANsexceptVLAN1fail.Justpriortothefailure,Switch2wasaddedtothenetwork.WhichthreeissuesonSwitch2couldbethecause?()
A.Switch2isconfiguredforonlyVLAN1B.Switch2isaVTPserverinadifferentdomainC.Switch2isaVTPserverintheCompanydomainD.Switch2isnotaVTPdomain.E.Switch2hasalowerVTPconfigurationrevisionnumberthanthecurrentVTPrevisionF.Switch2hasahigherVTPconfigurationrevisionnumberthanthecurrentVTPrevision
考题
Refer to the exhibit. What switch proves the spanning－tree designated port role for the network segment that services the printers?()
A.Switch1B.Switch2C.Switch3D.Switch4
考题
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.
考题
Refertotheexibit.Threecisco2950switchesaresettotheirdefaultprioritysettings.Duringthespanning－treeprocess,whichswitchwillbeelectedastherootbridge?()
A.Switch3B.Switch4C.Switch2D.Switch1
考题
管理员要求能确保Vlan10和Vlan20能互通，并且Vlan20的用户访问外网时，使用10.1.30.1作为出口，二Vlan10的用户访问外网时，使用10.1.20.1作为出口，因此考虑使用策略路由。具体配置如下：
[Switch] acl 3000
[Switch-acl-adv-3000] rule permit ip source 192.168.1.0 0.0.0.255 destination 192.168.2.0 0.0.0.255
[Switch-acl-adv-3000] rule permit ip source 192.168.2.0 0.0.0.255 destination 192.168.1.0 0.0.0.255
Switch-acl-adv-3000] quit
?
[Switch] acl 3001?//匹配内网192.168.1.0/24网段的数据流
[Switch-acl-adv-3001]?（1）
[Switch-acl-adv-3001] quit
[Switch] acl 3002?//匹配内网192.168.2.0/24网段的数据流
[Switch-acl-adv-3002] rule permit ip source 192.168.2.0 0.0.0.255
[Switch-acl-adv-3002] quit
?
[Switch] traffic classifier c0 operator or
[Switch-classifier-c0]?（2）
[Switch-classifier-c0] quit
[Switch]?（3）
[Switch-classifier-c1] if-match acl 3001
[Switch-classifier-c1] quit
[Switch] traffic classifier c2 operator or
[Switch-classifier-c2] if-match acl 3002
[Switch-classifier-c2] quit
[Switch] traffic behavior b0
[Switch-behavior-b0]?（4）
[Switch-behavior-b0] quit
[Switch] traffic behavior b1
[Switch-behavior-b1]?（5）
[Switch-behavior-b1] quit
[Switch] traffic behavior b2
[Switch-behavior-b2] redirect ip-nexthop 10.1.30.1
[Switch-behavior-b2] quit
?[Switch]（6）
[Switch-trafficpolicy-p1]?（7）
[Switch-trafficpolicy-p1] classifier c1 behavior b1
[Switch-trafficpolicy-p1] classifier c2 behavior b2
[Switch-trafficpolicy-p1] quit
[Switch] interface gigabitethernet 1/0/3
[Switch-GigabitEthernet1/0/3]?（8）
问题1：简要叙述ACL3000在此配置中的作用是什么？
问题2：请完成（1）-（8）空的命令填空
考题
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.
考题
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
考题
打开锚灯！ （）A、Switch on the deck light!B、Switch on the anchor light!C、Switch on the cargo light!D、Switch on the hold light!
考题
What are two results of entering the Switch(config)# vtp mode client command on a Catalyst switch?（）A、The switch will ignore VTP summary advertisements.B、The switch will forward VTP summary advertisements.C、The switch will process VTP summary advertisements.D、The switch will originate VTP summary advertisements.E、The switch will create, modify and delete VLANs for the entire VTP domain.
考题
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.
考题
Given the output of the Floor3 switch, what statement describes the operation of this switch（）。A、VTP is disabled on this switch.B、The switch can create, change, and delete VLANs.C、The switch learns VLAN information but does not save it to NVRAM.D、The switch can create VLANs locally but will not forward this information to other switches.E、The switch learns VLAN information and updates the local VLAN data base in NVRAM.
考题
What are two results of entering the Switch(config)# vtp mode client command on a Catalyst switch?（）A、The switch will ignore VTP summary advertisementsB、The switch will forward VTP summary advertisementsC、The switch will process VTP summary advertisementsD、The switch will originate VTP summary advertisementsE、The switch will create, modify and delete VLANs for the entire VTP domain
考题
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
考题
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.
考题
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
考题
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
考题
单选题Refer to the exhibit. What switch proves the spanning-tree designated port role for the network segment that services the printers?（）A
Switch1B
Switch2C
Switch3D
Switch4
考题
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.
考题
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.
考题
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
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