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单选题
The classic Spanning Tree Protocol （802.1D 1998） uses which sequence of variables to determine the best received BPDU？（）
A
lowest root bridge id；lowest sender bridge id；lowest port id；lowest root path cost
B
lowest root path cost；lowest root bridge id；lowest sender bridge id；lowest sender port id
C
lowest root bridge id；lowest sender bridge id；lowest root path cost；lowest sender port id
D
lowest root bridge id；lowest root path cost；lowest sender bridge id；lowest sender port id
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更多 “单选题The classic Spanning Tree Protocol （802.1D 1998） uses which sequence of variables to determine the best received BPDU？（）A lowest root bridge id；lowest sender bridge id；lowest port id；lowest root path costB lowest root path cost；lowest root bridge id；lowest sender bridge id；lowest sender port idC lowest root bridge id；lowest sender bridge id；lowest root path cost；lowest sender port idD lowest root bridge id；lowest root path cost；lowest sender bridge id；lowest sender port id” 相关考题
考题
Under which two circumstances should Spanning Tree Protocol be implemented?()
A. to ensure a loop-free topologyB. to protect against user-side loopsC. when a VLAN spans access layer switchesD. for the most deterministic and highly available network topologyE. because of the risk of lost connectivity without Spanning Tree Protocol
考题
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
考题
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
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 two of these are used in the selection of a root bridge in a network utilizing Spanning Tree Protocol IEEE 802.1D？ （）A、Designated Root CostB、bridge ID priorityC、max ageD、bridge ID MAC addressE、Designated Root PriorityF、forward delay
考题
The classic Spanning Tree Protocol （802.1 D 1998） uses which sequence of variables to determine thebest received BPDU？（）A、1） lowest root bridge id，2） lowest sender bridge id，3） lowest port id，4） lowest root path costB、1） lowest root path cost，2） lowest root bridge id，3） lowest sender bridge id，4） lowest sender port idC、1） lowest root bridge id，2） lowest sender bridge id，3） lowest root path cost，4） lowest sender port idD、1） lowest root bridge id，2） lowest root path cost，3） lowest sender bridge id，4） lowest sender port id
考题
Which four Cisco priority Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning Tree？ （）A、 PortFastB、 UplinkFastC、 loop guardD、 root guardE、 BPDU guardF、 BackboneFast
考题
Examine the following options，which Spanning Tree Protocol （STP） protection mechanism disables aswitch port if the port receives a Bridge Protocol Data Unit （BPDU）？（）A、Uplink FastB、Port FastC、BPDU GuardD、Root Guard
考题
The classic Spanning Tree Protocol （802.1D 1998） uses which sequence of variables to determine the best received BPDU？（）A、 1） lowest root bridge id，2）lowest sender bridge id，3）lowest port id，4）lowest root path costB、 1） lowest root path cost，2）lowest root bridge id，3）lowest sender bridge id，4）lowest sender port idC、 1） lowest root bridge id，2）lowest sender bridge id，3）lowest root path cost 4）owest sender port idD、 1） lowest root bridge id，2）lowest root path cost，3）lowest sender bridge id，4）lowest sender port id
考题
Spanning Tree Protocol calculates path cost based on which of these？ （）A、 interface bandwidthB、 interface delayC、 interface bandwidth and delayD、 hop countE、 bridge priority
考题
pany uses MSTP within their switched LAN. What is the main purpose of Multiple Instance Spanning Tree Protocol （MSTP）？（）A、 To enhance Spanning Tree troubleshooting on multilayer switchesB、 To reduce the total number of spanning tree instances necessary for a particular topology C、 To provide faster convergence when topology changes occur in a switched networkD、 To provide protection for STP when a link is unidirectional and BPDUs are being sent but not receivedE、 None of the other alternatives apply
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
考题
Under which two circumstances should Spanning Tree Protocol be implemented？ （）A、 to ensure a loop-free topologyB、 to protect against user-side loopsC、 when a VLAN spans access layer switchesD、 for the most deterministic and highly available network topologyE、 because of the risk of lost connectivity without Spanning Tree Protocol
考题
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
考题
Which of the following specifications is a companion to the IEEE 802.1w Rapid Spanning Tree Protocol （RSTP） algorithm， and warrants the use multiple spanning-trees？ （）A、 IEEE 802.1s （MST）B、 IEEE 802.1Q （CST）C、 Cisco PVST+D、 IEEE 802.1d （STP）E、 None of the other alternatives apply
考题
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
Which two statements about the various implementations of STP are true？（）A、mon Spanning Tree maintains a separate spanning-tree instance for each VLAN configured in the network.B、The Spanning Tree Protocol （STP） is an evolution of the IEEE 802.1w standard.C、Per-VLAN Spanning Tree （PVST） supports 802.1Q trunking.D、Per-VLAN Spanning Tree Plus（PVST+） is an enhancement to 802.1Q specification and is supported only on Cisco devices.E、Rapid Spanning Tree Protocol （RSTP） includes features equivalent to Cisco PortFast， UplinkFast， and BackboneFast for faster network reconvergence.F、Multiple Spanning Tree （MST） assumes one spanning-tree instance for the entire Layer 2 network， regardless of the multiple number of VLANs
考题
多选题Which four Cisco priority Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning Tree？ （）APortFastBUplinkFastCloop guardDroot guardEBPDU guardFBackboneFast
考题
单选题The classic Spanning Tree Protocol （802.1D 1998） uses which sequence of variables to determine the best received BPDU？（）A
1） lowest root bridge id，2）lowest sender bridge id，3）lowest port id，4）lowest root path costB
1） lowest root path cost，2）lowest root bridge id，3）lowest sender bridge id，4）lowest sender port idC
1） lowest root bridge id，2）lowest sender bridge id，3）lowest root path cost 4）owest sender port idD
1） lowest root bridge id，2）lowest root path cost，3）lowest sender bridge id，4）lowest sender port id
考题
单选题pany uses MSTP within their switched LAN. What is the main purpose of Multiple Instance Spanning Tree Protocol （MSTP）？（）A
To enhance Spanning Tree troubleshooting on multilayer switchesB
To reduce the total number of spanning tree instances necessary for a particular topology C
To provide faster convergence when topology changes occur in a switched networkD
To provide protection for STP when a link is unidirectional and BPDUs are being sent but not receivedE
None of the other alternatives apply
考题
单选题Spanning Tree Protocol calculates path cost based on which of these？ （）A
interface bandwidthB
interface delayC
interface bandwidth and delayD
hop countE
bridge priority
考题
多选题Under which two circumstances should Spanning Tree Protocol be implemented？ （）Ato ensure a loop-free topologyBto protect against user-side loopsCwhen a VLAN spans access layer switchesDfor the most deterministic and highly available network topologyEbecause of the risk of lost connectivity without Spanning Tree Protocol
考题
多选题Which two values are used by Spanning Tree Protocol to elect a root bridge?（）Aamount of RAMBbridge priorityCIOS versionDIP addressEMAC addressFspeed of the links
考题
多选题Which two of these are used in the selection of a root bridge in a network utilizing Spanning Tree Protocol IEEE 802.1D？ （）ADesignated Root CostBbridge ID priorityCmax ageDbridge ID MAC addressEDesignated Root PriorityFforward delay
考题
单选题Spanning Tree Protocol calculates path cost based on which of these？（）A
interface bandwidthB
interface delayC
interface bandwidth and delayD
hop countE
bridge priority
考题
多选题Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus?（）APortFastBUplinkFastCloop guardDroot guardEBPDU guardFBackboneFast
考题
单选题Which of the following specifications is a companion to the IEEE 802.1w Rapid Spanning Tree Protocol （RSTP） algorithm， and warrants the use multiple spanning-trees？ （）A
IEEE 802.1s （MST）B
IEEE 802.1Q （CST）C
Cisco PVST+D
IEEE 802.1d （STP）E
None of the other alternatives apply
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