Which two statements about root guard are true? (Choose two.)
A. It supports the errdisable-timeout command.
B. It allows unknown devices to participate in STP.
C. It requires the administrator to manually re-enable ports that have been blocked.
D. It automatically error-disables a port when PortFast is enabled.
E. It automatically re-enables blocked ports.
F. It blocks BPDUs from unknown devices.
Which two statements about root guard are true? (Choose two.)
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answerhappygod
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Which two statements about root guard are true? (Choose two.)
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