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Refer to the exhibit. The network administrator uses the command "show spanning-tree vlan 20" for troubleshooting an STP problem. Which is true about the outcome of the command? (Choose two)

The time spent in the learning state is 20 seconds.

The BPDUs are being sent every 10 seconds.

The time spent for the listening state is 15 seconds.

The switch is the root bridge for VLAN20.

The BPDUs will be sent every 2 seconds.



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