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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
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更多 “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” 相关考题
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