單項(xiàng)選擇題Which of the following commands is used to adjust the minperm and Maxperm values of real memory to 4% and 80%?()

A. vmtune -N4 -M80
B. vmtune -f4 -F80
C. vmtune -l4 -L80
D. vmtune -p4 -P80


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2.單項(xiàng)選擇題The system administrator notices that after running netstat -rn, several small c’s are showing up under the flags columns, and routes that were not defined are also showing up. How can these cloned routes be stopped?()

A. By default cloned routes are turned on.  To turn cloned routes off issue the command:      #no -o tcp_pmtu_discover=0       #no -o udp_pmtu_discover=0       and add to the rc.net or rc.bsdnet file for next reboot
B. By default cloned routes are turned on.  To turn cloned routes off issue the command:        # no -o tcp_pmtu_discover=1        #no -o udp_pmtu_discover=1         and add to the rc.net or rc.bsdnet file for next reboot
C. By default cloned routes are turned on.  To turn cloned routes off issue the command:         #no -o ipforwarding=0         and add to the rc.net or rc.bsdnet file for next reboot
D. By default cloned routes are turned on.  To turn cloned routes off issue the command:         #no -o ipforwarding=1         and add to the rc.net or rc.bsdnet file for next reboot

3.單項(xiàng)選擇題

To examine the Exhibit, press the Exhibit button. Using the "ps -el" output as shown in the exhibit, which of the following conclusions is most appropriate to draw?()

A. The snmpd process is running at a fixed priority of 60
B. If both the syncd process and the portmap process become available to be run at the same time, then the syncd process would get scheduled first
C. If both the userprog process and the qdaemon process become available to be run at the same time, then the qdaemon process would get scheduled first
D. If both the syslogd process and the llbd process become available to be run at the same time, then the llbd process would get scheduled first

5.單項(xiàng)選擇題The nice value is 60 in the  ps listing.  Which command is used to change this to a value of 20?()

A. renice -n -20 {PID}
B. renice -n 20 {PID}
C. renice -n -40 {PID}
D. renice -n 40 {PID}

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In an iostat report, which of the following options best describes the value of % tm_act?()

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To examine the Exhibit, press the Exhibit button. While a user is compiling a C program, "vmstat 120 10" is run to determine the cause of a performance problem.  Given the vmstat output as shown in the exhibit, which of the following conclusions is most appropriate to draw about the machine?()

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To examine the Exhibit, press the Exhibit button. Using the output of "lslv" as shown in the exhibit, and given that logical volume lv00 is only located on hdisk0, which of the following conclusions is most appropriate to draw?()

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To examine the Exhibit, press the Exhibit button. Using the "ps -mo THREAD" output as shown in the exhibit, which of the following conclusions is most appropriate to draw?()

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After issuing the nfsstat -rs command, the null received column starts to grow. This indicates which of the following conditions?()

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Which of the following procedures WILL NOT increase contiguous free space on a the filesystem /data1, located on /dev/lv01, that is heavily fragmented?()

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Which of the following phrases is TRUE regarding monitoring disk I/O with iostat?()

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The system administrator notices that there is an I/O bottleneck on one of three disks in datavg volume group. This problem disk contains the JFS log, loglv00 and one filesystem, /mydatabase.  There are no other logical volumes on this disk.  Which of the following options would be the best solution?()

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In order to determine how efficiently an application is reading and writing data, which of the following utilities will report read and write sizes on disk I/O requests?()

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When setting up schedules and enforcing scheduling of different types of workloads, which of the following are critical performance issues?()

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