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单项选择题 Which of the following commands should be used to open a tty port configured in the /etc/uucp/Devices file as: Direct tty2 - 9600 direct in debug mode, ignoring modem control signal data carrier detect (DCD)?()

A、cu -l tty2

B、cu -dml tty2

C、cu -dht Direct

D、cu -s9600 -l tty2

  • B
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