单选题A system administrator increases the mbuf pool allocation， then runs vmstat. It is noticed that the paging rate has not decreased. What is the most effective option to maintain the mbuf pool and decrease paging？（）AIncrease the number of CPUs.BIncrease 

题目
单选题
A system administrator increases the mbuf pool allocation， then runs vmstat. It is noticed that the paging rate has not decreased. What is the most effective option to maintain the mbuf pool and decrease paging？（）
A

 Increase the number of CPUs.

B

 Increase the physical memory.

C

 Set the PSALLOC environment variable to ’late’.

D

 Set the PSALLOC environment variable to ’early’.

相似考题

1.You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn．If you observe the buoy moving aft relative to you，what should you do ________．A.Increase the rate of turnB.Decrease the rate of turnC.Maintain a constant rate of turnD.Decrease speed

2.An AIX 5L system has 2 active paging space devices - /dev/hd6 at 64MB in the rootvg and /dev/page01 at 256MB in the datavg. The system administrator has determined that only 192MB of active paging space is actually required and wants to reclaim some of the disk space for use by a new application. Which command should be used to reduce the size of /dev/page01？（）A、chpsB、rmpsC、chdevD、swapoff

3.On an IBM System Stoage DS8000 which of the following information pairs are mandatory to create a volume（）A、extent pool id and volume idB、extent pool id and volume nameC、volume id and extent allocation methodD、volume name and extent allocation method

4.A system administrator increases the mbuf pool allocation， then runs vmstat. It is noticed that the paging rate has not decreased. What is the most effective option to maintain the mbuf pool and decrease paging？（）A、 Increase the number of CPUs.B、 Increase the physical memory.C、 Set the PSALLOC environment variable to ’late’.D、 Set the PSALLOC environment variable to ’early’.

更多“单选题A system administrator increases the mbuf pool allocation， then runs vmstat. It is noticed that the paging rate has not decreased. What is the most effective option to maintain the mbuf pool and decrease paging？（）A  Increase the number of CPUs.B  Incre”相关问题

  • 第1题：

    An Administrator notices a decrease in the performance of his site.  This is directly related to an increase in usage.  After further investigation he notices that users appear to be pooling up in the web server.  Which of the following would cause this to occur？（）

    • A、The web Server ThreadsPerChild directive could be set too low.
    • B、The Web Container Thread Pool Minimum Size could be set too high.
    • C、The Web Container Thread Pool Maximum Size could be set too high.
    • D、The growable thread pool setting could be disabled for the Web Container.

    正确答案:A,D

  • 第2题：

    You find that the database performance degrades while you backup the PROD database using Recovery Manager （RMAN）. The PROD database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason. Which action would you consider to overcome the performance degradation？（）

    • A、Configure Java Pool to cache the java objects.
    • B、Configure Streams Pool to enable parallel processing.
    • C、Increase Shared Pool size to cache more PL/SQL objects.
    • D、Increase Database Buffer Cache size to increase cache hits.
    • E、Configure Large Pool to be used by RMAN and shared server.
    • F、Increase the total System Global Area （SGA） size to increase memory hits.

    正确答案:E

  • 第3题：

    You are the administrator of 20 Windows XP Professional computers. Each computer has one hard disk that has three volumes named C, D, and E. Each volume is 4 GB in size and has approximately 1 GB of available space. The total physical memory of each computer is 196 MB in size. The paging file on each computer is located on drive D. A user named Andrea reports that every day, one hour after she starts her Windows XP Professional computer, the computer appears to perform very slowly for 15 seconds. This always happens after she receives an error message stating that the system is low on virtual memory. You want to improve the performance of Andrea's computer. You do not want to install additional memory. What should you do?（） 

    • A、Increase the initial size of the paging file.
    • B、Move the current paging file to the system drive.
    • C、Increase the Buffers setting in the Config.sys file. 
    • D、Enable the Adjust for best performance of: System cache memory usage option.

    正确答案:A

  • 第4题：

    Your network contains a Windows Server 2008 server that has the Web Server （IIS） server role installed.  You have a Web application that uses a custom application pool. The application pool is set to recycle every 1，440 minutes. The Web application does not support multiple worker processes.  You need to configure the application pool to ensure that users can access the Web application after the application pool is recycled. What should you do？（）

    • A、Set the Shutdown Executable option to True.
    • B、Set the Process Orphaning Enabled option to True.
    • C、Set the Disable Overlapped Recycling option to True.
    • D、Set the Disable Recycling for Configuration Changes option to True.

    正确答案:C

  • 第5题：

    Your Windows 2000 Professional system runs three applications at the same time in a manufacturing environment. After using System Monitor， you determine that the paging file could use some adjustment for performance enhancement. Sometimes the applications actually pause while waiting for the virtual memory. You have two hard disks in this computer. The second one holds user data， plus the boot partition. What are your options for the paging file？（）

    • A、Set the Virtual Memory Manager option to demand paging with clustering.
    • B、On the Virtual Memory dialog box， decrease the space in memory the Registry can reserve.
    • C、Increase the paging file initial size.
    • D、Create a second paging file for the second hard drive.
    • E、Move the one paging file away from the active， system partition.

    正确答案:C,D,E

  • 第6题：

    A user tries to telnet into a system that was previously accessible but gets the following error:  "telnetd: 0403-031 fork function failed, there is not enough memory available."  netstat -m shows that 0 mbuf errors have occurred.  Which of the following conclusions is most appropriate to draw about this error?（）

    • A、 The paging space is full.
    • B、 A particular filesystem is full and cannot be allocated to memory.
    • C、 A problem exists with telnetd. 
    • D、 The inetd daemon went down. 

    正确答案:A

  • 第7题：

    单选题
    Your network contains a Windows Server 2008 server that has the Web Server （IIS） server role installed.  You have a Web application that uses a custom application pool. The application pool is set to recycle every 1，440 minutes. The Web application does not support multiple worker processes.  You need to configure the application pool to ensure that users can access the Web application after the application pool is recycled. What should you do？（）
    A

    Set the Shutdown Executable option to True.

    B

    Set the Process Orphaning Enabled option to True.

    C

    Set the Disable Overlapped Recycling option to True.

    D

    Set the Disable Recycling for Configuration Changes option to True.


    正确答案： A
    解析： 暂无解析

  • 第8题：

    多选题
    You are the network administrator for Company.com.  Your Windows 2000 Professional computer has 128 MB of RAM and two physical hard disks. Each hard disk has a single partition configured as drive C and D. Each partition has more than 500 MB of free disk space. Windows 2000 Professional and all applications are installed on drive C. You frequently run two or more memory-intensive graphics applications simultaneously. You notice that access to drive C is much slower when you are using the graphics applications. You want to maximize overall disk performance for your computer.   What should you do?（）
    A

    Configure the paging file to reside on drive C only

    B

    Configure the paging file to reside on drive D only

    C

    Configure the initial size of the paging file and the maximum size of paging file to 64 MB

    D

    Configure the initial size of the paging file and the maximum size of the paging file to 128 MB

    E

    Configure the initial size of the paging file and the maximum size of the paging file to 256 MB


    正确答案： C,B
    解析： 暂无解析

  • 第9题：

    单选题
    You work as a database administrator for Certkiller .com. You find that the database performance degrades while you backup the Certkiller database using Recovery Manager （RMAN）. The Certkiller database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason.  Which action would you consider to overcome the performance degradation？（）
    A

    Configure Java Pool to cache the java objects.

    B

    Configure Streams Pool to enable parallel processing.

    C

    Increase Shared Pool size to cache more PL/SQL objects.

    D

    Increase Database Buffer Cache size to increase cache hits.

    E

    Configure Large Pool to be used by RMAN and shared server.

    F

    Increase the total System Global Area （SGA） size to increase memory hits.


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    You need to increase the size of a paging file. What should you do? （）
    A

    From Disk Management， shrink the boot partition.

    B

    From Disk Management， shrink the system partition.

    C

    From System， modify the Advanced system settings.

    D

    From System， modify the System protection settings.


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    A user tries to telnet into a system that was previously accessible but gets the following error:  "telnetd: 0403-031 fork function failed, there is not enough memory available."  netstat -m shows that 0 mbuf errors have occurred.  Which of the following conclusions is most appropriate to draw about this error?（）
    A

     The paging space is full.

    B

     A particular filesystem is full and cannot be allocated to memory.

    C

     A problem exists with telnetd. 

    D

     The inetd daemon went down. 


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    A customer needs to remove an unnecessary, but active paging space called paging00 on an AIX 5L system.  Which of the following procedures should be used to properly remove the paging space with the least amount of disruption?（）
    A

    Remove the paging space with the rmps command. 

    B

    Disable the paging space with the chps command, swapoff /dev/paging00, and remove the paging00 logical volume with the rmps command. 

    C

    Reboot the system and disable the paging space with the rmps command. 

    D

    Disable the paging space with the chps command, swapoff /dev/paging00, reboot the system, remove the paging00 logical volume with the rmps command. 


    正确答案： A
    解析： 暂无解析

  • 第13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14题：

    You work as a database administrator for Certkiller .com. You find that the database performance degrades while you backup the Certkiller database using Recovery Manager （RMAN）. The Certkiller database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason.  Which action would you consider to overcome the performance degradation？（）

    • A、Configure Java Pool to cache the java objects.
    • B、Configure Streams Pool to enable parallel processing.
    • C、Increase Shared Pool size to cache more PL/SQL objects.
    • D、Increase Database Buffer Cache size to increase cache hits.
    • E、Configure Large Pool to be used by RMAN and shared server.
    • F、Increase the total System Global Area （SGA） size to increase memory hits.

    正确答案:E

  • 第15题：

    You are developing an application that connects to a Microsoft SQL Server database using the SqlConnection object. Your connection objects are being pooled. As the pool fills up, connection requests are queued. Some connection requests are rejected. You need to ensure that the application releases connections back to the pool as soon as possible. Also, you need to decrease the likelihood that connection requests will be rejected. Which three actions should you perform?（）

    • A、Ensure that the Close method is called on each connection object after it has finished executing.
    • B、Ensure that each connection object is left open after it has finished executing.
    • C、Increase the Max Pool Size value inside the connection string.
    • D、Increase the Min Pool Size value inside the connection string.
    • E、Increase the Connection Lifetime value inside the connection string.
    • F、Increase the value of the ConnectionTimeout property of the SqlConnection object.

    正确答案:A,C,F

  • 第16题：

    You are the network administrator for Company.com.  Your Windows 2000 Professional computer has 128 MB of RAM and two physical hard disks. Each hard disk has a single partition configured as drive C and D. Each partition has more than 500 MB of free disk space. Windows 2000 Professional and all applications are installed on drive C. You frequently run two or more memory-intensive graphics applications simultaneously. You notice that access to drive C is much slower when you are using the graphics applications. You want to maximize overall disk performance for your computer.   What should you do?（）

    • A、Configure the paging file to reside on drive C only
    • B、Configure the paging file to reside on drive D only
    • C、Configure the initial size of the paging file and the maximum size of paging file to 64 MB
    • D、Configure the initial size of the paging file and the maximum size of the paging file to 128 MB
    • E、Configure the initial size of the paging file and the maximum size of the paging file to 256 MB

    正确答案:B,E

  • 第17题：

    You need to increase the size of a paging file.  What should you do?（）

    • A、From Disk Management， shrink the boot partition.
    • B、From Disk Management， shrink the system partition.
    • C、From System， modify the Advanced system settings.
    • D、From System， modify the System protection settings.

    正确答案:C

  • 第18题：

    单选题
    You are the administrator of 20 Windows XP Professional computers. Each computer has one hard disk that has three volumes named C, D, and E. Each volume is 4 GB in size and has approximately 1 GB of available space. The total physical memory of each computer is 196 MB in size. The paging file on each computer is located on drive D. A user named Andrea reports that every day, one hour after she starts her Windows XP Professional computer, the computer appears to perform very slowly for 15 seconds. This always happens after she receives an error message stating that the system is low on virtual memory. You want to improve the performance of Andrea's computer. You do not want to install additional memory. What should you do?（）
    A

    Increase the initial size of the paging file.

    B

    Move the current paging file to the system drive.

    C

    Increase the Buffers setting in the Config.sys file. 

    D

    Enable the Adjust for best performance of: System cache memory usage option.


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    An AIX 5L system has 2 active paging space devices - /dev/hd6 at 64MB in the rootvg and /dev/page01 at 256MB in the datavg. The system administrator has determined that only 192MB of active paging space is actually required and wants to reclaim some of the disk space for use by a new application. Which command should be used to reduce the size of /dev/page01？（）
    A

    chps

    B

    rmps

    C

    chdev

    D

    swapoff


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    On IBM System Stoage DS8000 which of the following information pairs are mandatory to create a volume（）
    A

    extent pool id and volume id

    B

    extent pool id and volume name

    C

    volume id and extent allocation method

    D

    volume name and extent allocation method


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    Refer to the exhibit. Given the DHCP pool configuration shown on Router A, the Cisco IP phone will not boot up in the Teleworker location. What is missing from the Teleworker DHCP pool configuration?（）
    A

    The DHCP pool needs to have an import all statement. 

    B

    The DHCP pool is missing an option 150 ip 10.59.138.1 statement.

    C

    The DHCP pool is missing an option 139 ip 10.59.138.1 statement

    D

    The DHCP pool is missing a dns-server 10.59.138.1 statement.


    正确答案： A
    解析： 暂无解析

  • 第22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23题：

    多选题
    Your Windows 2000 Professional system runs three applications at the same time in a manufacturing environment. After using System Monitor， you determine that the paging file could use some adjustment for performance enhancement. Sometimes the applications actually pause while waiting for the virtual memory. You have two hard disks in this computer. The second one holds user data， plus the boot partition. What are your options for the paging file？（）
    A

    Set the Virtual Memory Manager option to demand paging with clustering.

    B

    On the Virtual Memory dialog box， decrease the space in memory the Registry can reserve.

    C

    Increase the paging file initial size.

    D

    Create a second paging file for the second hard drive.

    E

    Move the one paging file away from the active， system partition.


    正确答案： D,B
    解析： 暂无解析

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