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單項(xiàng)選擇題

To examine the Exhibit， press the Exhibit button. The system administrator notices a system with routing cannot communicate with a system with an ip address 192.24.34.6. Using the information provided in the exhibit， what is the most likely reason？（）

A.The named is not running
B.The default gateway is not set
C.The NIS master server is down
D.Ipforwarding is not turned on

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單項(xiàng)選擇題

Which of the following lines will be added to the file /usr/lib/uucp/Devices on the SLIP server machine for a SLIP connection on tty1？（）

A.direct 9600 - tty1
B.direct tty1 - 9600
C.Direct tty1 - 9600
D.Direct /dev/tty1 - 9600

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