Which statement describes the result of issuing the spanning-tree portfast trunk command under interface configuration mode?

Which statement describes the result of issuing the spanning-tree portfast trunk command under interface configuration mode?
A . The port is allowed to go into the forwarding state immediately regardless of whether the interface is configured as an access or trunk port.
B . The port enters the errdisable state if BPDUs are received.
C . Trunk interfaces can be configured for PortFast.
D . The portfast trunk port immediately replaces the lost root port with an alternate root port.

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Answer: A