单选题The system hangs at boot time after starting NFS services.What is the most likely cause?（）AThe action parameter of rcnfs in /etc/inittab is 'off' and the script called is not exiting.BThe action parameter of rcnfs in /etc/inittab is 'wait' and the script called is not exiting.CThe action parameter of rcnfs in /etc/inittab is 'once' and the script called is not exiting.DThe action parameter of rcnfs in /etc/inittab is 'respawn' and the script called is not exiting.
单选题
The system hangs at boot time after starting NFS services.What is the most likely cause?（）
A
The action parameter of rcnfs in /etc/inittab is 'off' and the script called is not exiting.
B
The action parameter of rcnfs in /etc/inittab is 'wait' and the script called is not exiting.
C
The action parameter of rcnfs in /etc/inittab is 'once' and the script called is not exiting.
D
The action parameter of rcnfs in /etc/inittab is 'respawn' and the script called is not exiting.
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