多选题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 thi

第1题：

第2题：

Several reports are logged stating that an application server is performing slowly. During the investigation， the administrator notices that the hard drives on the server appear to have a high level ofactivity.  Which items should the administrator monitor using performance monitoring tools？ （）

• A、 Page File
• B、 Disk Utilization
• C、 System Temperature
• D、 Processor Utilization
• E、 Network Utilization

第3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

第4题：

An administrator just installed a new RAID controller card into a server. The firmware is current for the controller card. When the server is powered up the administrator notices that the RAID controller card is not recognized during POST. Which of the following is the cause of the problem？（）

• A、The hard drives were not plugged into the server correctly.
• B、The controller driver is outdated and needs to be updated from the OEMs website.
• C、The firmware for the server is too old and does not support the new RAID controller card.
• D、The cable from the controller to the hard drive backplane is not connected.

第5题：

After swapping an internal wireless card on a laptop with an identical model, the technician notices that the wireless does not work. Which of the following would be the MOST likely cause?（）

• A、Antennae is not connected
• B、Wireless card is defective
• C、Drivers needs to be updated
• D、OS needs to be updated

第6题：

An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check?（）

• A、Default gateway
• B、The ports on the switch
• C、Port security on the server's switch port
• D、Ethernet cable

第7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.

第8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.

第9题：

You work as a database administrator for Certkiller .com. Users in the Certkiller PROD database complain about the slow response when accessing the database. In the Active Session Waiting： Configuration page you find that the majority of the wait time is for the redo log buffer.Further investigation using the Run Queue graph and operating system tools reveals that the redo log files are on the same disks， and that the disk I/O for the redo log files is the reason for the performance degradation.  Which two actions would you take to gain performance？（）

• A、Increase the size of redo log files
• B、Increase the size of redo log buffer
• C、Increase the number of redo log files
• D、Place the redo log files on a separate disk
• E、Decrease the number of redo log groups to two
• F、Increate the number Log Writer （LGWR） process

第10题：

第11题：

第12题：

第13题：

After a technician replaces a laptop display, the technician now notices that the wireless no longer works. Which of the following would be the MOST likely cause？（）

• A、The wireless switch was damaged during the display installation.
• B、The network card has failed.
• C、The new display is interfering with the wireless signal.
• D、The antenna connector was not reconnected.

第14题：

A customer is experiencing a performance bottleneck in a disk subsystem.  The server is performing sequential I/O with a small number of users requesting large files.  Which of the following would most likely resolve the bottleneck？（）

• A、Increase seek translation
• B、Increase data transfer rate
• C、Decrease rotational latency
• D、Increase rotational latency

第15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

第16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

第17题：

An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot.  Which of the following is the FIRST thing the administrator should check？（）

• A、 Default gateway
• B、 The ports on the switch
• C、 Port security on the servers switch port
• D、 Ethernet cable

第18题：

After installing a second processor and corresponding heatsink into a server， an administrator notices that the new processor is not showing up during POST.  Which of the following could be the cause of this issue？（）

• A、 The power supply is not sufficient to power the server.
• B、 The voltage regulator module （VRM） was not installed.
• C、 The IRQ setting was not set.
• D、 The DMA setting was not set.

第19题：

A technician is setting up a new inkjet printer and notices that the images appear hazy. Which of the following should the technician perform FIRST to resolve the issue?（）

• A、Refill the cartridges
• B、Replace the toner
• C、Replace the network cable
• D、Calibrate the inkjet printer

第20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

第21题：

第22题：

第23题：

第24题：