单项选择题

Using output from "vmstat 2 8," which of the following options is most appropriate to consider when determining if a system is experiencing memory thrashing?（）

A. cy != 1
B. re != 0
C. po/fr > 1/6
D. fr/po > 1/6

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单项选择题

To examine the Exhibit, press the Exhibit button. Based on the output of the "netstat -p udp" command as shown in the exhibit, which of the following procedures should be performed?（）

A. Increase the number of nfsd's on the client.
B. Increase the number of biod's on the client.
C. Decrease the number of nfsd's on the server.
D. Increase the size of nfs_socketsize on the server.

单项选择题

A disk contains several logical volumes. Which of the following commands indicates how much data is read from or written to a particular logical volume on the same disk?（）

A. sar
B. iostat
C. svmon
D. filemon

单项选择题

A user complains that the network printer is not printing. The system administrator knows there is a print queue for the network printer and needs to check on the queue. Which command is run?（）

A. netstat
B. lpstat
C. telinit
D. prtconf