sar
pstat
iostat
filemon
第1题：
Which of the following commands should be used to monitor the number of bytes read on any given disk？（）
第2题：
Which of the following commands will make a new directory?（）
第3题：
A.CRT
B.Plasma
C.LED
D.LCD
第4题：
Which of the following commands should be used to observe the number of system calls per second? （）
第5题：
Which of the following commands will be run at a command prompt to determine which WindowsOS is running on the computer?（）
第6题：
Which of the following displays uses gas as a method for projecting an image?（）
第7题：
Which of the following commands is used to delete an empty directory?（）
第8题：
The following exhibit displays the NetFlow statistics for a CIS router, which will be helpful for a network administrator to collect IP traffic information.Which two numbers separately refer to the percentage of packets sized between 32 and 64 bytes and the number of flows in progress?（）
A. 24.9%, 980
B. 6.94%, 980
C. 69.4%, 35
D. cannot be determined from this output
E. 69.4%, 4061
第9题：
Which of the following displays has the HIGHEST Hz frequency?（）
第10题：
Which of the following commands displays the number of system calls per second that are being executed？（）