The df command only counts the number of disk blocks and superblocks.
The df command ignores space used for inodes, gnodes, and vnodes.
The du command does not take into account filesystem metadata.
The du command counts indirect blocks and superblocks in its calculations.
第1题：
A. df -Ik /tmp
B. df -fk /tmp
C. df -Uk /tmp
D. df -Fk /tmp
第2题：
A. The command is used to establish a static route.
B. The default administrative distance is used.
C. The command is used to configure the default route.
D. The subnet mask for the source address is 255.255.255.0
E. The command is used to establish a stub network
第3题：
A. df -m
B. du -m
C. df -vm
D. du -vm
第4题：
The df command indicates that a filesystem is full， however， the du command indicates that not all space is allocated. How would the system administrator isolate the discrepancy（）
第5题：
在UNIX中，查看文件的大小，使用的命令是（）
第6题：
A. The default administrative distance is used.
B. The command is used to establish a static route.
C. The command is used to configure the router interfaces.
D. The command is used to establish a stub network.
E. The subnet mask for the source address is 255.255.255.0
第7题：
Which of the following conclusions is most appropriate to draw to describe why du shows fewer blocks used than df?（）
第8题：
A. Either the -a or flag -b may be used, but not both.
B. If the flag -a is used then the flag -b also must be used.
C. One of the -a or -b flags must be used, but not both at the same time.
D. Both the flags may be used together, but neither are mandatory.
第9题：
The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?（）
第10题：
A system administrator thinks that a filesystem may be full and that is what caused the machine to crash. Which command will show the administrator if they are correct?（）