试题详情
- 多项选择题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
- B,C
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