When troubleshooting MSTP, you executed the DISPLAY CURRENT-CONFIGURATION command to obtain the configuration file of the device. Which of the following statements is wrong?

When troubleshooting MSTP, you executed the DISPLAY CURRENT-CONFIGURATION command to obtain the configuration file of the device. Which of the following statements is wrong?
A . Check the port configuration and confirm whether the MSTP-enabled port is enabled with the protocol message sending command, such as: BPDU ENABLE
B . Whether the MSTP port connected to the user terminal device is disabled or configured as an edge port
C . No matter whether the BPDU TUNNL is configured on the device, it will not affect MSTP
D . Check whether the device port is added to the correct VLAN

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Answer: C