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
Under which two circumstances should Spanning Tree Protocol be implemented?()
A. to ensure a loop-free topology
B. to protect against user-side loops
C. when a VLAN spans access layer switches
D. for the most deterministic and highly available network topology
E. because of the risk of lost connectivity without Spanning Tree Protocol
相关考题：
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Which two values are used by Spanning Tree Protocol to elect a root bridge?（）A、amount of RAMB、bridge priorityC、IOS versionD、IP addressE、MAC addressF、speed of the links
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
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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
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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
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