The system administrator has been getting complaints about slow performance from the server. After running vmstat the administrator notices average readings that show the free list （fre） approaching zero， as well as page-in （pi） and page-out （po） values t

题目

The system administrator has been getting complaints about slow performance from the server. After running vmstat the administrator notices average readings that show the free list （fre） approaching zero， as well as page-in （pi） and page-out （po） values to be high. Furthermore， the applications running are essential to daily business operations. Which of the following recommendations would provide the best overall improvement？（）

  • A、 Increase physical disk
  • B、 Increase number of CPU’s
  • C、 Increase physical memory
  • D、 Increase number of servers
相似考题

1.The operating system partition on a server is nearly out of space on a Windows 2003 Server. The administrator notices that the file pagefile.sys is taking up nearly 2GB of space. Which of the following would BEST resolve this problem?（）A. Move the page file to a free drive.B. Delete the file.C. Add more memory.D. Remove the page file from system properties

2.An operator notices that a job on the system is causing poor performance. The job is a root process and the administrator has concluded it is not important and can be stopped. Shortly after stopping the process, it starts again. Which of the following commands will list repeating scheduled tasks?（）A. at -lB. jobs -lC. sched -lD. crontab -l

3. An administrator is planning an upgrade of a major software package on an application server. The software has been tested successfully in a test environment and it is ready to go into production.  Which of the following steps should the administrator take next？（）A、 Identify necessary operating system updatesB、 Implement the changeC、 Document the changeD、 Schedule system down time

4.The system administrator did a new install of AIX on a server about a week ago. The system was not rebooted after the installation. CDE is running on this system as is TCPIP. The system administrator has started configuring the system percompany directives. The power cable was inadvertently disconnected from the wall causing the sever to lose power. Upon reboot, the system appears to hang during log in from the console or from Xterminals. Which of the following is the most probable cause?（）A.It is a hardware problem caused by the power failure.B.There is a network problem, most probably with name resolution.C.Sine the system was never rebooted, devices are marked defined instead of available and need to be activated.D.Some filesets may be marked as broken and need to be reinstalled.

更多“The system administrator has been getting complaints about slow performance from the server. After running vmstat the administrator notices average readings that show the free list （fre） approaching zero， as well as page-in （pi） and page-out （po） values t”相关问题

  • 第1题：

    An operator notices that a job on the system is causing poor performance. The job is a root process and the administrator has concluded it is not important and can be stopped. Shortly after stopping the process, it starts again. Which of the following commands will list repeating scheduled tasks?（）

    • A、at -l
    • B、jobs -l
    • C、sched -l
    • D、crontab -l

    正确答案:D

  • 第2题：

    An administrator logs into a server and notices slow performance.  When the system finishes the logon process a message is displayed saying the system is out of Virtual Memory.  Which of the following is the MOST likely cause of this issue？（）

    • A、The drives have been configured as basic.
    • B、The system partition with the page file is out of space.
    • C、The VMFS has bad sectors.
    • D、The drivers for the memory have become corrupt.

    正确答案:B

  • 第3题：

    An administrator has added a new hard drive to a server that is running out of space on its C Drive and is experiencing slow performance.  The administrator needs to free up space on the C Drive.Which of the following is the BEST action for the administrator to take to free up space on the drive？（）

    • A、Move the page file to the new drive.
    • B、Copy the system32 directory to the new drive.
    • C、Convert the C drive to a basic disk.
    • D、Setup a software RAID to mirror the C drive.

    正确答案:A

  • 第4题：

    A customer has 5 older POWER5 systems and they want to consolidate them onto a POWER6 system. What information is important to analyze when deciding how to design the new machine using the System Planning Tool?（）

    • A、 vmstat and iostat data from the older machines 
    • B、 The number of CPUs that were installed in the original machines 
    • C、 Data from Workload Estimator (WLE) and IBM Performance Management (PM) 
    • D、 Performance data that is collected from the new system after it has been put into production

    正确答案:C

  • 第5题：

    What command can an administrator use to get summary performance information about the hypervisor？（）

    • A、 vmstat -H
    • B、 mpstat -s
    • C、 lparstat -h
    • D、 sar -p HYPER

    正确答案:C

  • 第6题：

    During a cluster synchronization， an administrator inadvertently performs al ctrl ’C’ causing the synchronization to fail. After restarting the resynchronization， the administrator notices a message stating that a previous dare operation has been detected.  What is the best way to resolve this problem？（）  

    • A、 Perform a ’Recover from HACMP Script Failure’.
    • B、 Perform a ’Release Lock Set By Dynamic Reconfiguration’.
    • C、 Perform a graceful stop an& start of all cluster processing.
    • D、 Perform a ’Restore HACMP Configuration Database from Active Configuration’.

    正确答案:B

  • 第7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8题：

    单选题
    When monitoring a system using vmstat with an interval， which of the following conclusions should be drawn about the metrics under page pi and page po？（）
    A

     The values do not include working storage.

    B

     The values do not include persistent storage.

    C

     The values include both persistent and working storage.

    D

     The values are not working or persistent storage.


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    A user reports that they are getting an error when trying to save a video file to a share on a server running Windows Server 2003. The administrator looks at the file and finds that it is 5GB. The administrator checks the server and finds that the server has 100GB of free space. This file needs to be saved on the server.  Which of the following should the administrator do to accomplish this？（）
    A

     Convert the filesystem to EXT3.

    B

     Convert the filesystem to VMFS.

    C

     Convert the filesystem to NTFS.

    D

     Convert the filesystem to FAT32.


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    The system administrator has been getting complaints about slow performance from the server. After running vmstat the administrator notices average readings that show the free list （fre） approaching zero， as well as page-in （pi） and page-out （po） values to be high. Furthermore， the applications running are essential to daily business operations. Which of the following recommendations would provide the best overall improvement？（）
    A

     Increase physical disk

    B

     Increase number of CPU’s

    C

     Increase physical memory

    D

     Increase number of servers


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    A customer has 5 older POWER5 systems and they want to consolidate them onto a POWER6 system. What information is important to analyze when deciding how to design the new machine using the System Planning Tool?（）
    A

     vmstat and iostat data from the older machines 

    B

     The number of CPUs that were installed in the original machines 

    C

     Data from Workload Estimator (WLE) and IBM Performance Management (PM) 

    D

     Performance data that is collected from the new system after it has been put into production


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    An operator notices that a job on the system is causing poor performance. The job is a root process and the administrator has concluded it is not important and can be stopped. Shortly after stopping the process, it starts again. Which of the following commands will list repeating scheduled tasks?（）
    A

    at -l

    B

    jobs -l

    C

    sched -l

    D

    crontab -l


    正确答案： C
    解析： 暂无解析

  • 第13题：

    A user reports that they are getting an error when trying to save a video file to a share on a server running Windows Server 2003. The administrator looks at the file and finds that it is 5GB. The administrator checks the server and finds that the server has 100GB of free space. This file needs to be saved on the server.  Which of the following should the administrator do to accomplish this？（）

    • A、 Convert the filesystem to EXT3.
    • B、 Convert the filesystem to VMFS.
    • C、 Convert the filesystem to NTFS.
    • D、 Convert the filesystem to FAT32.

    正确答案:C

  • 第14题：

    The operating system partition on a server is nearly out of space on a Windows 2003 Server. The administrator notices that the file pagefile.sys is taking up nearly 2GB of space. Which of the following would BEST resolve this problem?（）

    • A、Move the page file to a free drive.
    • B、Delete the file.
    • C、Add more memory.
    • D、Remove the page file from system properties

    正确答案:C

  • 第15题：

    An administrator logs into a server and notices slow performance.While troubleshooting the problem the administrator notices that an unfamiliar process in the Task Manager is running at 100% CPU usage.The administrator tries to end the task and receives ‘Access is denied’.  Which of the following steps would allow the administrator to terminate that process？（）

    • A、Adding the ‘Run as a service’ permission to their account.
    • B、Running the kill utility.
    • C、Adding their account to the remote users group.
    • D、Ending the services.exe process then ending the runaway process.

    正确答案:B

  • 第16题：

    After completing an installation of new software， a system administrator notices the system is slow.  To troubleshoot the performance， which single AIX command could be used to provide a real-time display of CPU， memory and disk utilization（）

    • A、topas
    • B、vmo
    • C、iostat
    • D、netstat

    正确答案:B

  • 第17题：

    When monitoring a system using vmstat with an interval， which of the following conclusions should be drawn about the metrics under page pi and page po？（）

    • A、 The values do not include working storage.
    • B、 The values do not include persistent storage.
    • C、 The values include both persistent and working storage.
    • D、 The values are not working or persistent storage.

    正确答案:B

  • 第18题：

    After rebooting the machine, Companycom notices that the machine is not performing as well as before. The applications are running slower, and their CPU utilization has increased. How can the customer check to see if a CPU was deallocated?（）

    • A、Run the vmstat command
    • B、Run the iostat command
    • C、Run the lparstat command
    • D、Check the logs in the /var/adm/ras directory

    正确答案:C

  • 第19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20题：

    单选题
    The system administrator did a new install of AIX on a server about a week ago. The system was not rebooted after the installation. CDE is running on this system as is TCPIP. The system administrator has started configuring the system percompany directives. The power cable was inadvertently disconnected from the wall causing the sever to lose power. Upon reboot, the system appears to hang during log in from the console or from Xterminals. Which of the following is the most probable cause?（）
    A

    It is a hardware problem caused by the power failure.

    B

    There is a network problem, most probably with name resolution.

    C

    Sine the system was never rebooted, devices are marked defined instead of available and need to be activated.

    D

    Some filesets may be marked as broken and need to be reinstalled.


    正确答案： C
    解析： 暂无解析

  • 第21题：

    多选题
    A network administrator has configured access list 172 to prevent Telnet and ICMP traffic from reaching a server with the address if 192.168.13.26. Which command can the administrator issue to verify that the access list is working properly?（）
    A

    Router# ping 192.168.13.26

    B

    Router# debug access-list 172

    C

    Router# show open ports 192.168.13.26

    D

    Router# show access-list

    E

    Router# show ip interface


    正确答案： D,E
    解析： 暂无解析

  • 第22题：

    单选题
    An administrator logs into a server and notices slow performance.  When the system finishes the logon process a message is displayed saying the system is out of Virtual Memory.  Which of the following is the MOST likely cause of this issue？（）
    A

    The drives have been configured as basic.

    B

    The system partition with the page file is out of space.

    C

    The VMFS has bad sectors.

    D

    The drivers for the memory have become corrupt.


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    An administrator logs into a server and notices slow performance.While troubleshooting the problem the administrator notices that an unfamiliar process in the Task Manager is running at 100% CPU usage.The administrator tries to end the task and receives ‘Access is denied’.  Which of the following steps would allow the administrator to terminate that process？（）
    A

    Adding the ‘Run as a service’ permission to their account.

    B

    Running the kill utility.

    C

    Adding their account to the remote users group.

    D

    Ending the services.exe process then ending the runaway process.


    正确答案： B
    解析： 暂无解析

相关内容