When troubleshooting MSTP, the network administrator executed the display current-configuration command to obtain the configuration file of the device. Which of the following description of troubleshooting ideas is wrong?

When troubleshooting MSTP, the network administrator executed the display current-configuration command to obtain the configuration file of the device. Which of the following description of troubleshooting ideas is wrong?
A . Whether the MSTP port connected to the user terminal device is disabled or configured as an edge port
B . Check whether the device port is added to the correct VLAN
C . Regardless of whether BPDU Tunnel is configured on the device, it will not affect STP.
D . Check the port configuration and confirm whether the protocol packet sending command is enabled on the STP-enabled port, such as bpdu enable

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Answer: C