单选题A system administrator ran the iostat command because of system performance problems. The following iostat output is provided: Based on the output, which of the following is insufficient?()ACPUBMemoryCPaging spaceDDisk capacityX

题目
单选题
A system administrator ran the iostat command because of system performance problems. The following iostat output is provided: Based on the output, which of the following is insufficient?()
A

CPU

B

Memory

C

Paging space

D

Disk capacityX


相似考题
更多“单选题A system administrator ran the iostat command because of system performance problems. The following iostat output is provided: Based on the output, which of the following is insufficient?()A CPUB MemoryC Paging spaceD Disk capacityX”相关问题
  • 第1题:

    Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound?()

    • A、 tin
    • B、 tout
    • C、 % idle
    • D、 % tm_act

    正确答案:D

  • 第2题:

    If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?()

    • A、 iostat disk1 1 
    • B、 iostat -d disk1 2 
    • C、 iostat disk2 1 
    • D、 iostat -d disk2 2

    正确答案:D

  • 第3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4题:

    Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system?()

    • A、 foo ; lsps -s
    • B、 tprof -kx ; foo
    • C、 iostat ; foo ; iostat
    • D、 vmstat -s ; foo ; vmstat s

    正确答案:D

  • 第5题:

    单选题
    A system administrator ran the iostat command because of system performance problems. The following iostat output is provided: Based on the output, which of the following is insufficient?()
    A

    CPU

    B

    Memory

    C

    Paging space

    D

    Disk capacityX


    正确答案: A
    解析: 暂无解析

  • 第6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7题:

    单选题
    A user is complaining that they ran out of paging space.  Which of the following will address this and  provide best performance()
    A

    Expand the default paging space to the largest possible size

    B

    Create a new larger paging space

    C

    Create additional paging spaces of equal size on different disks

    D

    Reboot system


    正确答案: C
    解析: 暂无解析

  • 第8题:

    单选题
    The Business Partner technical specialist is called to determine if the addition of host ports on an IBM System Storage DS8700 has improved users’ response times for an IBM System p server running SAP.  How can the improvement be verified()
    A

    check the output of the vmstat command on LINUX

    B

    check the performance reports via Tivoli Storage Productivity Center for Data

    C

    check the performance reports via Tivoli Storage Productivity Center for Disk

    D

    check the output of the iostat command on AIX


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    A system is experiencing performance problems.  After checking the CPU usage, the problem identified is that the system is "CPU Bound".  Which of the following outcomes will determine if there is a possible CPU constraint?()
    A

     Low paging 

    B

     High paging 

    C

     Workload manager is not turned on 

    D

     A high run queue length 


    正确答案: D
    解析: 暂无解析

  • 第10题:

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

     The iostat can only be run as the root user

    B

     There could be zero percent I/O wait and still be an I/O bottleneck

    C

     Any I/O wait time displayed in output of iostat is an indication of severe I/O bottlenecks 

    D

     Running iostat without any arguments/parameters is sufficient for resolving I/O bottlenecks


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    A system administrator is monitoring a system that has recently shown a decrease in performance.The administrator suspects that the system may be low on memory and may be paging excessively.Which of the following commands is best to identify a possible paging problem?()
    A

    iostat

    B

    netstat

    C

    ps

    D

    vmstat


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound?()
    A

     tin

    B

     tout

    C

     % idle

    D

     % tm_act


    正确答案: A
    解析: 暂无解析

  • 第13题:

    Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound?()

    • A、 % idle
    • B、 % sys
    • C、 % user
    • D、 % iowait

    正确答案:D

  • 第14题:

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

    • A、 The iostat can only be run as the root user
    • B、 There could be zero percent I/O wait and still be an I/O bottleneck
    • C、 Any I/O wait time displayed in output of "iostat" is an indication of severe I/O bottlenecks 
    • D、 Running "iostat" without any arguments/parameters is sufficient for resolving I/O bottlenecks

    正确答案:B

  • 第15题:

    A system administrator is monitoring a system that has recently shown a decrease in performance.The administrator suspects that the system may be low on memory and may be paging excessively.Which of the following commands is best to identify a possible paging problem?()

    • A、iostat
    • B、netstat
    • C、ps
    • D、vmstat

    正确答案:D

  • 第16题:

    A system is experiencing performance problems.  After checking the CPU usage, the problem identified is that the system is "CPU Bound".  Which of the following outcomes will determine if there is a possible CPU constraint?()

    • A、 Low paging 
    • B、 High paging 
    • C、 Workload manager is not turned on 
    • D、 A high run queue length 

    正确答案:D

  • 第17题:

    单选题
    To examine the Exhibit, press the Exhibit button. A user is compiling a C program.  A performance problem occurs and "vmstat 120 10" is run to determine the cause.  The vmstat output is provided in the exhibit.  Which of the following commands should be run to obtain more information about the problem?()
    A

     lsps 

    B

     tprof 

    C

     iostat 

    D

     vmtune


    正确答案: C
    解析: 暂无解析

  • 第18题:

    单选题
    Which of the following commands should be used to observe the number of system calls per second? ()
    A

     sar 

    B

     iostat 

    C

     svmon 

    D

     vmstat


    正确答案: A
    解析: 暂无解析

  • 第19题:

    单选题
    If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?()
    A

     iostat disk1 1 

    B

     iostat -d disk1 2 

    C

     iostat disk2 1 

    D

     iostat -d disk2 2


    正确答案: C
    解析: 暂无解析

  • 第20题:

    单选题
    A system administrator periodically receives calls from users who complain about poor performance with their application. Use the following sar command output to answer the question: Which of the following system resources need more investigation?()
    A

    CPUs

    B

    Disk

    C

    Memory

    D

    NetworkX


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    A system administrator suspects that there were problems with the AIX installation on a pSeries server. Which of the following commands can be used, with the appropriate flags, to view the BOS installation output files?()
    A

    alog

    B

    errpt

    C

    lscfg

    D

    installp


    正确答案: B
    解析: 暂无解析

  • 第22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23题:

    单选题
    Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound?()
    A

     % idle

    B

     % sys

    C

     % user

    D

     % iowait


    正确答案: D
    解析: 暂无解析

  • 第24题:

    单选题
    Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system?()
    A

     foo ; lsps -s

    B

     tprof -kx ; foo

    C

     iostat ; foo ; iostat

    D

     vmstat -s ; foo ; vmstat s


    正确答案: C
    解析: 暂无解析