更多“单选题Which of the following commands can an operator use to view disk performance details?()A topas -DB topas -RC topas -CD topas -d”相关问题
  • 第1题:

    A system administrator has run topas on a server.  The output shows that the %iowait of the system is 60% and that most of the disk activity is on hdisk0.  Which of the following procedures should be performed to fix this problem?()

    • A、 Replace the hard disk with a faster disk drive. 
    • B、 Add another paging space on another hdisk. 
    • C、 Spread the data hdisk0 across several hdisks. 
    • D、 Nothing, since %iowait is a measurement of CPU time.

    正确答案:C

  • 第2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()

    • A、Use the fuser command to identify deleted but open files.
    • B、Use the ipcs command to view orphan shared memory segments.
    • C、Use the defrag command to determine if the filesystem is fragmented.
    • D、Use the topas command to identify processes using the most system resources.

    正确答案:A

  • 第3题:

    An administrator wants to run topas as their own userid but gets the following error when trying. user1>$ topas topas. Unable to initialize Spmi interface Spmi. Error 13 opening file /etc/Spmi_shm_hook. Which of the following is the most likely cause of the error?()

    • A、The /dev/kmem file must be at 777 permissions.
    • B、The administrator is using other shell than ksh.
    • C、The number of pipe handles at /etc/tunables is too low.
    • D、The topas command must be run with root at least once previously.

    正确答案:D

  • 第4题:

    Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem?()

    • A、 filemon
    • B、 istat
    • C、 vmstat
    • D、 iostat

    正确答案:D

  • 第5题:

    Which of the following performance tools can be used to determine if a system is thrashing?()

    • A、 svmon and tprof
    • B、 vmtune and schedtune
    • C、 ps and schedtune
    • D、 vmstat and topas

    正确答案:D

  • 第6题:

    When trying to run topas on an AIX 4.3.x system, the system administrator gets the error message "ksh: topas:  not found."   Which of the following options is the most likely reason this occurred?()

    • A、 The fileset bos.perf.tools is not loaded on this system.
    • B、 The fileset perfagent.tools is not loaded on this system.
    • C、 The command topas is only available in AIX version 5.x.
    • D、 The path variable does not include /usr/samples/kernel/. Either add it to the .profile or cd to that location and run the command again.

    正确答案:B

  • 第7题:

    下面的AIX系统性能检查命令,正确的是()。

    • A、检查CPU性能:使用vmstat、topas命令
    • B、检查内存使用情况:使用vmstat、topas命令
    • C、检查IO平衡使用情况:使用iostat命令
    • D、以上全对

    正确答案:D

  • 第8题:

    单选题
    Which of the following commands can be used to clean up a failed software installation process?()
    A

     installp -D

    B

     installp -d

    C

     installp -C

    D

     installp -c


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem?()
    A

     filemon

    B

     istat

    C

     vmstat

    D

     iostat


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    A system administrator has run topas on a server.  The output shows that the %iowait of the system is 60% and that most of the disk activity is on hdisk0.  Which of the following procedures should be performed to fix this problem?()
    A

     Replace the hard disk with a faster disk drive. 

    B

     Add another paging space on another hdisk. 

    C

     Spread the data hdisk0 across several hdisks. 

    D

     Nothing, since %iowait is a measurement of CPU time.


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    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()
    A

    Use the fuser command to identify deleted but open files.

    B

    Use the ipcs command to view orphan shared memory segments.

    C

    Use the defrag command to determine if the filesystem is fragmented.

    D

    Use the topas command to identify processes using the most system resources.


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    Which of the following performance tools can be used to determine if a system is thrashing?()
    A

     svmon and tprof

    B

     vmtune and schedtune

    C

     ps and schedtune

    D

     vmstat and topas


    正确答案: C
    解析: 暂无解析

  • 第13题:

    Which of the following can an operator use to shutdown a system into single-user mode?()

    • A、shutdown -d
    • B、shutdown -s
    • C、shutdown -m
    • D、shutdown -Fr -s 1

    正确答案:C

  • 第14题:

    Which of the following commands can an operator use to view disk performance details?()

    • A、topas -D
    • B、topas -R
    • C、topas -C
    • D、topas -d

    正确答案:A

  • 第15题:

    Which of the following commands can be used to clean up a failed software installation process?()

    • A、 installp -D
    • B、 installp -d
    • C、 installp -C
    • D、 installp -c

    正确答案:C

  • 第16题:

    A system administrator has a server that is performing poorly. The vmstat command identifies that high CPU usage is the problem. Which of the following commands can be used to identify the eight most active processes running on the server?()

    • A、ps -ef -t8
    • B、sar -u -p 8
    • C、vmstat -t 8
    • D、topas -p8 -n0 -d0

    正确答案:D

  • 第17题:

    Which of the following filesets needs to be installed in order to use topas at AIX Version 5.x?()

    • A、 perfagent.tools
    • B、 bos.perf.tools
    • C、 bos.adt.samples
    • D、 perfmgr.local

    正确答案:B

  • 第18题:

    Which IOS command does an administrator use to report a cross partition global view of system performance?()

    • A、cecstat -p itcert 
    • B、iosperf -C 
    • C、topas -cecdisp 
    • D、topas_nmon -cec 

    正确答案:C

  • 第19题:

    AIX中topas命令只有root用户或()组的用户可以执行。


    正确答案:system

  • 第20题:

    单选题
    Which of the following filesets needs to be installed in order to use topas at AIX Version 5.x?()
    A

     perfagent.tools

    B

     bos.perf.tools

    C

     bos.adt.samples

    D

     perfmgr.local


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    Which of the following commands would a technician use to view the active applicationconnections on a local PC to the network?()
    A

    ipconfig

    B

    netstat

    C

    nslookup

    D

    net use


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    An administrator wants to run topas as their own userid but gets the following error when trying. user1>$ topas topas. Unable to initialize Spmi interface Spmi. Error 13 opening file /etc/Spmi_shm_hook. Which of the following is the most likely cause of the error?()
    A

    The /dev/kmem file must be at 777 permissions.

    B

    The administrator is using other shell than ksh.

    C

    The number of pipe handles at /etc/tunables is too low.

    D

    The topas command must be run with root at least once previously.


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    When trying to run topas on an AIX 4.3.x system, the system administrator gets the error message "ksh: topas:  not found."   Which of the following options is the most likely reason this occurred?()
    A

     The fileset bos.perf.tools is not loaded on this system.

    B

     The fileset perfagent.tools is not loaded on this system.

    C

     The command topas is only available in AIX version 5.x.

    D

     The path variable does not include /usr/samples/kernel/. Either add it to the .profile or cd to that location and run the command again.


    正确答案: B
    解析: 暂无解析