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 b

题目
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


相似考题
更多“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 b”相关问题
  • 第1题:

    To examine the Exhibit, press the Exhibit button. Which of the following addresses should be reachable without adding any routes?()

    • A、129.35.57.22
    • B、129.35.54.22
    • C、129.35.58.22
    • D、129.35.254.22

    正确答案:A

  • 第2题:

    Which of the following commands can be used to determine if a disk drive is causing a bottleneck?()

    • A、 vmstat 
    • B、 fileplace 
    • C、 iostat 
    • D、 lvmstat

    正确答案:C

  • 第3题:

    To examine the Exhibit, press the Exhibit button. Which of the following addresses will be reachable without adding any routes?()

    • A、129.35.54.21
    • B、129.35.57.21
    • C、129.35.58.21
    • D、129.35.55.21

    正确答案:B

  • 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
    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.


    正确答案: A
    解析: 暂无解析

  • 第6题:

    单选题
    To examine the Exhibit, press the Exhibit button. Which of the following addresses will be reachable without adding any routes?()
    A

    129.35.54.21

    B

    129.35.57.21

    C

    129.35.58.21

    D

    129.35.55.21


    正确答案: D
    解析: 暂无解析

  • 第7题:

    单选题
    To examine the Exhibit, press the Exhibit button. The system administrator notices a system with routing cannot communicate with a system with an ip address 192.24.34.6. Using the information provided in the exhibit, what is the most likely reason?()
    A

    The named is not running

    B

    The default gateway is not set

    C

    The NIS master server is down

    D

    Ipforwarding is not turned on


    正确答案: B
    解析: 暂无解析

  • 第8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9题:

    单选题
    While a user is compiling a C program, "vmstat 120 10" is run to determine the cause of a performance problem.  Using the vmstat output as shown in the exhibit, which of the following conclusions is most appropriate to draw?()
    A

     There is a file I/O bottleneck.

    B

     There are too many open files. 

    C

     There appears to be a buffer shortage. 

    D

     There is a paging space I/O bottleneck. 


    正确答案: D
    解析: 暂无解析

  • 第10题:

    单选题
    To examine the Exhibit, press the Exhibit button. Which option would produce this output from the errpt command? ()
    A

     errpt -t 

    B

     errpt -a 

    C

     errpt -D 

    D

     errpt


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    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?()
    A

     This is a uniprocessor system

    B

     The "prog" process has a nice value of 107

    C

     There are two active processors on this system

    D

     The "prog" process will only be scheduled to run on processor 0


    正确答案: D
    解析: 暂无解析

  • 第12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

  • 第13题:

    To examine the Exhibit, press the Exhibit button. The system administrator notices a system with routing cannot communicate with a system with an ip address 192.24.34.6. Using the information provided in the exhibit, what is the most likely reason?()

    • A、The named is not running
    • B、The default gateway is not set
    • C、The NIS master server is down
    • D、Ipforwarding is not turned on

    正确答案:B

  • 第14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:

    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17题:

    单选题
    To examine the Exhibit, press the Exhibit button. Using the information provided in the exhibit, which of the following options indicates when the SSA error occurred?()
    A

     12:28am on May 25,1999 

    B

     12:28pm on May 25,1999 

    C

     5:25am on December 28,1999 

    D

     5:25pm on December 28,1999


    正确答案: D
    解析: 暂无解析

  • 第18题:

    单选题
    Refer to the exhibit. An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem?()
    A

    data link layer

    B

    application layer

    C

    access layer

    D

    session layer

    E

    network layer


    正确答案: E
    解析: 暂无解析

  • 第19题:

    单选题
    To examine the Exhibit, press the Exhibit button. Which of the following addresses should be reachable without adding any routes?()
    A

    129.35.57.22

    B

    129.35.54.22

    C

    129.35.58.22

    D

    129.35.254.22


    正确答案: B
    解析: 暂无解析

  • 第20题:

    单选题
    Which of the following commands can be used to determine if a disk drive is causing a bottleneck?()
    A

     vmstat 

    B

     fileplace 

    C

     iostat 

    D

     lvmstat


    正确答案: C
    解析: 暂无解析

  • 第21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22题:

    单选题
    Which of the following commands should be used to show the percentage of time that any given disk was busy?()
    A

     ps

    B

     tprof

    C

     iostat

    D

     vmstat


    正确答案: C
    解析: 暂无解析

  • 第23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