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IEEE 802.1w is a Rapid Spanning Tree Protocol （RSTP） that can be seen as an evolution of the 802.1 standard. What are the port roles described by 802.1w？（）
- A、root port，designated port，alternate port，backup port，and disabled
- B、standby port，alternate port，root port，and disabled
- C、standby port，designated port，backup port，and disabled
- D、root port，designated port，alternate port，and standby port
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更多 “IEEE 802.1w is a Rapid Spanning Tree Protocol （RSTP） that can be seen as an evolution of the 802.1 standard. What are the port roles described by 802.1w？（）A、root port，designated port，alternate port，backup port，and disabledB、standby port，alternate port，root port，and disabledC、standby port，designated port，backup port，and disabledD、root port，designated port，alternate port，and standby port” 相关考题
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802.1D bridges do not relay BPDUs.B
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IEEE 802.1w （RSTP）
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单选题IEEE 802.1w is a Rapid Spanning Tree Protocol （RSTP） that can be seen as an evolution of the 802.1 standard. What are the port roles described by 802.1w？（）A
root port，designated port，alternate port，backup port，and disabledB
standby port，alternate port，root port，and disabledC
standby port，designated port，backup port，and disabledD
root port，designated port，alternate port，and standby port
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多选题Which three port states are used by RSTP 802.1w？（）AListeningBLearningCForwardingDBlockingEDiscardingFDisabled
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多选题Which two are natively included by the IEEE 802.1w standard？（）Ainstances can control a selection of VLANsBload balancingCfast transition to forwarding stateDbackbone，uplink，and portfast （or equivalent）Eroot，loop，and BPDU guard （or equivalent）
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