At which lay er of the OSI model does the Spanning Tree Protocol (STP) operate at() A.Lay er 5B.Lay er 4C.Lay er 3D.Lay er 2E.Lay er 1
At which lay er of the OSI model does the Spanning Tree Protocol (STP) operate at()
A.Lay er 5
B.Lay er 4
C.Lay er 3
D.Lay er 2
E.Lay er 1
相关考题：
In which of the following layers of the OSI model does the TCP protocol operate?() A.SessionB.NetworkC.Data linkD.Transport
At which layer of the OSI model does the protocol that provides the information displayed by the "show cdp neighbors" command operate?A．TransportB．PhysicalC．ApplicationD．Data linkE．Network
Which three of the following network features are methods used to achieve high availability() A.Spanning Tree Protocol（STP）B.Delay reductionC.Hot Standby Routing Protocol（HSRP）D.Dynamic routing protocolsE.Quality of Service（QoS）F.Jitter management
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
Which spanning Tree Protocol has been implemented on switch 2？ （）A、STP/IEEE 802.1DB、MSTP/IEEE 802.1sC、PVST+D、PVRSTE、None of the other alternatives apply
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
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
At which lay er of the OSI model does the Spanning Tree Protocol (STP) operate at（）A、Lay er 5B、Lay er 4C、Lay er 3D、Lay er 2E、Lay er 1
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
Which three of the following network features are methods used to achieve high availability（）A、Spanning Tree Protocol（STP）B、Delay reductionC、Hot Standby Routing Protocol（HSRP）D、Dynamic routing protocolsE、Quality of Service（QoS）F、Jitter management
At which layer of the OSI model does the Spanning Tree Protocol （STP） operate at？（）A、Layer 5B、Layer 4C、Layer 3D、Layer 2E、Layer 1
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
Spanning Tree Protocol IEEE 802.1s defines the ability to deploy which of these？ （）A、one global STP instance for all VLANsB、one STP instance for each VLANC、one STP instance per set of VLANsD、one STP instance per set of bridges
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
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
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
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
In which of the following layers of the OSI model does the TCP protocol operate?（）A、SessionB、NetworkC、Data linkD、Transport
多选题Which four Cisco priority Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning Tree？ （）APortFastBUplinkFastCloop guardDroot guardEBPDU guardFBackboneFast
单选题Spanning Tree Protocol IEEE 802.1 s defines the ability to deploy which of these？（）Aone global STP instance for all VLANsBone STP instance for each VLANCone STP instance per set of VLANsDone STP instance per set of bridges
单选题At which layer of the OSI model does the Spanning Tree Protocol （STP） operate at？（）ALayer 5BLayer 4CLayer 3DLayer 2ELayer 1
单选题At which lay er of the OSI model does the Spanning Tree Protocol (STP) operate at（）ALay er 5BLay er 4CLay er 3DLay er 2ELay er 1
多选题In the OSI model, at which layers do WANs operate at?（）AApplicationlayerBPresentationlayerCSessionlayerDTransportlayerENetworklayerFDatalinklayerGPhysicallayer
单选题Spanning Tree Protocol IEEE 802.1s defines the ability to deploy which of these？（）A one global STP instance for all VLANsB one STP instance for each VLANC one STP instance per set of VLANsD one STP instance per set of bridges
多选题Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus?（）APortFastBUplinkFastCloop guardDroot guardEBPDU guardFBackboneFast
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