单项选择题
Which command enables RSTP on a switch?（）
A.spanning-tree mode rapid-pvst
B.spanning-tree uplinkfast
C.spanning-tree backbonefast
D.spanning-tree mode mst
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相关考题
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多项选择题
Which two commands can be used to verify a trunk link configuration status on a given cisco switch?（）
A.show interfaces interface
B.show interfaces trunk
C.show interfaces switchport
D.show ip interface brief
E.show interfaces vlan -
多项选择题
Which two states are the port states when RSTP has converged?（）
A.blocking
B.learning
C.discarding
D.forwarding
E.listening -
多项选择题
In an Ethernet network, under what two scenarios can devices transmit? （）
A.when they receive a special token
B.when there is a carrier
C.when they detect no other devices are sending
D.when the medium is idle
E.when the server grants access
