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What are the switch and bridge port characteristics of a layer two spanning-tree network that is fully converged?（）
- A、All switch and bridge ports are in the forwarding state.
- B、All switch and bridge ports are in the stand-by state.
- C、All switch and bridge ports are assigned as either root or designated ports.
- D、All switch and bridge ports are in either the forwarding or blocking state.
- E、All switch and bridge are either blocking or looping.
参考答案
更多 “What are the switch and bridge port characteristics of a layer two spanning-tree network that is fully converged?（）A、All switch and bridge ports are in the forwarding state.B、All switch and bridge ports are in the stand-by state.C、All switch and bridge ports are assigned as either root or designated ports.D、All switch and bridge ports are in either the forwarding or blocking state.E、All switch and bridge are either blocking or looping.” 相关考题
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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.
考题
Refer to the exhibit. Based on the information given. Which switch will be elected root bridge and why?()
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考题
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A.Switch3B.Switch4C.Switch2D.Switch1
考题
Refer to the exhibit. The output that is shown is generated at a switch. Which three of these statements are true? （）A、All ports will be in a state of discarding, learning, or forwarding.B、Thirty VLANs have been configured on this switch.C、The bridge priority is lower than the default value for spanning tree.D、All interfaces that are shown are on shared media.E、All designated ports are in a forwarding state.F、The switch must be the root bridge for all VLANs on this switch.
考题
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考题
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考题
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考题
What is one benefit of PVST+？（）A、PVST+reduces the CPU cycles for all the switches in the networkB、PVST+automatically selects the root bridge location，to provide optimiz…C、PVST+allow the root switch location to be optimized per vlan.D、PVST+supports Layer 3 load balancing without loops.
考题
When STP UplinkFast is enabled on a switch utilizing the default bridge priority， what will the new bridge priority be changed to？（）A、8192B、16384C、49152D、65535
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
When STP UplinkFast is enabled on a switch utilizing the default bridge priority， what will the new bridgepriority be changed to？（）A、8192B、16384C、49152D、65535
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What is one benefit of PVST+?（）A、PVST+reduces the CPU cycles for all the switches in the networkB、PVST+automatically selects the root bridge location,to provide optimized bandwidth usage.C、PVST+allow the root switch location to be optimized per vlan.D、PVST+supports Layer 3 load balancing without loops.
考题
Refer to the output shown on switch SW1 below： VLAN 1 bridge priority set to 8192. VLAN 1 bridge max aging time set to 20.VLAN 1 bridge hello time set to 2. VLAN 1 bridge forward delay set to 15. Switch is now the root switch for active VLAN 1. What command would you enter to reproduce this output？
考题
多选题An administrator is configuring a Catalyst switch with VLAN information that must be automatically distributed to other Catalyst switches in the network. What conditions must be met in order for the VLANs configured on this switch to be automatically configured on the other switches?（）AThe switch that will share its VLAN configuration must be in VTP server mode.BThe switches must be in the same VTP domain.CThe switch that will share the VLAN information must be configured as the root bridge.DThe switches must be connected over VLAN trunks.EThe switches must be configured to use the same STP version.FThe switches must have VTP pruning activated.
考题
单选题When STP UplinkFast is enabled on a switch utilizing the default bridge priority， what will the new bridgepriority be changed to？（）A
8192B
16384C
49152D
65535
考题
单选题What is one benefit of PVST+？（）A
PVST+reduces the CPU cycles for all the switches in the networkB
PVST+automatically selects the root bridge location，to provide optimiz…C
PVST+allow the root switch location to be optimized per vlan.D
PVST+supports Layer 3 load balancing without loops.
考题
单选题Which statement is correct about RSTP port roles？（）A
The designated port is the switch port on every nonroot bridge that is the chosen path to theroot bridge. There can be only one designated port on every switch. The designated portassumes the forwarding state in a stable active topology. All switches connected to a given segment listen to all BPDUs and determine the switch that will be the root switch for a particular segment.B
The disabled port is an additional switch port on the designated switch with a redundant link to the segment for which the switch is designated. A disabled port has a higher port ID than the disabled port on the designated switch. The disabled port assumes the discarding state in astable active topology.C
The backup port is a switch port that offers an alternate path toward the root bridge. The backup port assumes a discarding state in a stable， active topology. The backup port will be present on nondesignated switches and will make a transition to a designated port if the current designated path fails.D
The root port is the switch port on every nonroot bridge that is the chosen path to the root bridge. There can be only one root port on every switch. The root port assumes the forwarding state in a stable active topology.
考题
单选题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.
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The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch. What must be done to ensure that this new switch becomes the root bridge on the network？（）A
Lower the bridge priority number.B
Change the MAC address of the switch.C
Increase the VTP revision number for the domain.D
Lower the root path cost on the switch ports.E
Assign the switch an IP address with the lowest value.
考题
多选题Which of the following are true regarding bridges and switches?（）ABridges are faster than switches because they have fewer ports.BA switch is a multiport bridge.CBridges and switches learn MAC addresses by examining the source MAC address of each frame received.DA bridge will forward a broadcast but a switch will not.EBridges and switches increase the size of a collision domain.
考题
问答题Refer to the output shown on switch SW1 below： VLAN 1 bridge priority set to 8192. VLAN 1 bridge max aging time set to 20.VLAN 1 bridge hello time set to 2. VLAN 1 bridge forward delay set to 15. Switch is now the root switch for active VLAN 1. What command would you enter to reproduce this output？
考题
单选题When STP UplinkFast is enabled on a switch utilizing the default bridge priority， what will the new bridge priority be changed to？（）A
8192B
16384C
49152D
65535
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