Because of performance problems， capacity needs to be added to a paging space named  paging01 on hdisk1. The physical partition size of hdisk1 is 4MB.  Which command will increase the size of paging01 by 100MB（）A、chlv -a paging01 25B、chps -s 25 paging01C

第1题：

A server is connected to a gigabit Ethernet switch and has negotiated 1Gbps / Full Duplex. When transferring large files to and from other servers on the segment via FTP slow performance is noticed.All network cabling，network hardware and server hardware were verified to be working correctly.  Which of the following could be done to improve performance？（）

• A、 Decrease the TCP window size.
• B、 Increase the UDP window size.
• C、 Increase the TCP window size.
• D、 Decrease the UDP window size.

第2题：

Because of performance problems， space needs to be added to a paging space named paging01 on hdisk1. The physical partition size of hdisk1 is 4MB. Which command will increase the size of paging01 by 100MB？（）

• A、swapon -a paging01 25
• B、mkps -a 25 paging01
• C、extendlv -a paging01 25
• D、chps -a 25 paging01

第3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. 

第4题：

Which command will activate a defined paging space？（）  

• A、swapon paging01
• B、chps  y paging01chps ？ y paging01
• C、mkps  /dev/paging01mkps ？ /dev/paging01
• D、swap  /dev/paging01swap ？ /dev/paging01

第5题：

You notice that the performance of the database has degraded because of frequent checkpoints. Which two actions resolve the issue（）

• A、Disable automatic checkpoint tuning.
• B、Check the size of the redo log file size and increase the size if it is small.
• C、Set the FAST_START_MTTR_TARGET parameter as per the advice given by the MTTR Advisor. 
• D、Decrease the number of redo log members if there are more than one redo log members available in each redo log group.

第6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.

第7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.

第8题：

You need to improve the performance of the tempdb database on SQL1.Which two actions should you perform？（）

• A、Move tempdb onto a faster disk volume.
• B、Increase the initial size of tempdb to 1.5 GB
• C、Increase the size of the data files in the Tracking database.
• D、Decrease the file growth increment for tempdb to 25 MB
• E、Use more local temporary tables and fewer global temporary tables in the Tracking database.

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第13题：

Which command will activate a defined paging space?（）

• A、swapon paging01
• B、chps a y paging01
• C、mkps a /dev/paging01
• D、swap a /dev/paging01

第14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

第15题：

A specialist is monitoring performance on a server. The data is on another partition within the same array as the OS. The following information is available：       （1）The average record written to disk is 16KB       （2）The I/O block size is 2KB   （3）The stripe size on the RAID array is 16KB  Which of the following will improve performance without rebuilding the operating system？（）

• A、Change the I/O block size to match the RAID Stripe size.
• B、Change the RAID stripe size to match the I/O block size.
• C、Change the record size of the database to match the RAID stripe size.
• D、Change the record size of the database to match the I/O transfer rate.

第16题：

Users are complaining of slow performance. The iostat command indicates hdiskxxx is extremely busy. There is no activity on any other hdisks in the same volume group. Which of the following is the best action to take?（）

• A、Change intra policy to outer
• B、Change intra policy to center
• C、Change inter policy to maximum
• D、Increase the physical partition size

第17题：

Note the following parameters settings in your database: SGA_MAX_SIZE = 1024M SGA_TARGET = 700M DB_8K_CACHE_SIZE = 124M LOG_BUFFER = 200M You issued the following command to increase the value of DB_8K_CACHE_SIZE: SQL> ALTER SYSTEM SET DB_8K_CACHE_SIZE=140M; What would happen?（）

• A、It will fail because DB_8K_CACHE_SIZE parameter cannot be changed dynamically
• B、It will be successful only if the memory is available from the auto tuned components
• C、It will fail because an increase in DB_8K_CACHE_SIZE cannot be accommodated within SGA_TARGET
• D、It will fail because an increase in the DB_8K_CACHE_SIZE cannot be accommodated within SGA_MAX_SIZE

第18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

第19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.

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