A system administrator has created tty2 on a serial por

单项选择题

A system administrator has created tty2 on a serial port connection to a system. When attempting to verify the connection the following error is observed：
# cu -ml tty2
cu： 0835-028 The connection failed. NO DEVICES AVAILABLE.
Which of the following should be performed to correct this error？（）

A.Create an entry for tty2 in the /etc/uucp/Devices file
B.Re-enter the command as "cu -dml tty2"
C.Create an entry for tty2 in the /etc/uucp/Systems file
D.Re-enter the command as "cu -s 9600 -dh -t -l tty2"

IBM(000-236)