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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 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.
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更多 “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 this to occur？（）AThe web Server ThreadsPerChild directive could be set too low.BThe Web Container Thread Pool Minimum Size could be set too high.CThe Web Container Thread Pool Maximum Size could be set too high.DThe growable thread pool setting could be disabled for the Web Container.” 相关考题
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You are investigating the performance of the server and see the following information: Events_waits_summary_global_by_event_name in the performance schema shows that the wait/synch/mutex/sql/LOCK_table_cache event is dominating other wait events. The table_open_cache_overflows status variable is 0.Which action should be taken to remove the performance bottleneck described here?（）A.Increase the value of table_definition_cacheB.Increase the value of table_open_cache_instancesC.Decrease the value of table_open_cache_instancesD.Increase the value of table_open_cacheE.Decrease the value of table_definition_cacheF.Decrease the value of table_open_cache
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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 of activity.Which items should the administrator monitor using performance monitoring tools?（）A. Page FileB. Disk UtilizationC. System TemperatureD. Processor UtilizationE. Network Utilization
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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
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Which statement is not a reason for an organization to incorporate a SAN in its enterprise infrastructure？（）A、To decrease both capital and operating expenses associated with data storageB、To decrease the threat of viruses and worm attacks against data storage devicesC、To meet changing business priorities，applications，and revenue growthD、To increase the performance of long-distance replication，backup，and recovery
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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 diskB、 Increase number of CPU’sC、 Increase physical memoryD、 Increase number of servers
考题
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 -lB、jobs -lC、sched -lD、crontab -l
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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.
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An administrator has ordered a new server and setup a dedicated RAID 1 array for the application database. While troubleshooting with performance monitoring tools， the administrator is receiving lowerread/write speeds than expected. Which of the following would be the MOST likely cause for the lower performance？（）A、 The BIOS needs to be upgraded.B、 The administrator did not add the right amount of memory.C、 There is a cooling issue with the server.D、 The administrator did not order high enough RPM drives.
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A technician notices a machine’s performance has degraded. The machine has constant errorswhen trying to read data from the drive. Which of the following should be used to repair the disk errors?（）A、DEFRAGB、MSCONFIGC、EDITD、CHKDSK
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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.
考题
A small office in which all workstations are using an ISP provided IP range has noticed a consistent decrease in network traffic speed. The decrease does not occur when the gateway to the ISP is disconnected. Which of the following should the administrator implement?（） A、Multicast addressingB、Load balancingC、Address translationD、DHCP
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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.
考题
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.
考题
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、topasB、vmoC、iostatD、netstat
考题
An administrator notices the / filesystem is 98% full. Which of the following files commonly grow rapidly（）A、/var/adm/wtmpB、/etc/security/failedloginC、/smit.scriptD、/proc
考题
A network administrator wants to analyze the historical performance of the servers in the organization and forecast the system performance needs into the future. Which add-on component of IBM Director would be used to assist with this task？（）A、Capacity ManagerB、Resource MonitorsC、System AvailabilityD、System Performance Monitor
考题
A system administrator is monitoring a system that has recently shown a decrease in performance. The administrator suspects there is an overload of traffic on a single Ethernet adapter. Which of the following commands is best to identify a possible overload of the Ethernet adapter？（）A、pingB、iostatC、netstatD、ifconfig
考题
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、iostatB、netstatC、psD、vmstat
考题
You are investigating the performance of the server and see the following information: Events_waits_summary_global_by_event_name in the performance schema shows that the wait/synch/mutex/sql/LOCK_table_cache event is dominating other wait events. The table_open_cache_overflows status variable is 0. Which action should be taken to remove the performance bottleneck described here?（）A、Increase the value of table_definition_cacheB、Increase the value of table_open_cache_instancesC、Decrease the value of table_open_cache_instancesD、Increase the value of table_open_cacheE、Decrease the value of table_definition_cacheF、Decrease the value of table_open_cache
考题
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 diskB
Increase number of CPU’sC
Increase physical memoryD
Increase number of servers
考题
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.
考题
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 this to occur？（）AThe web Server ThreadsPerChild directive could be set too low.BThe Web Container Thread Pool Minimum Size could be set too high.CThe Web Container Thread Pool Maximum Size could be set too high.DThe growable thread pool setting could be disabled for the Web Container.
考题
单选题Which statement is not a reason for an organization to incorporate a SAN in its enterprise infrastructure？（）A
To decrease both capital and operating expenses associated with data storageB
To decrease the threat of viruses and worm attacks against data storage devicesC
To meet changing business priorities，applications，and revenue growthD
To increase the performance of long-distance replication，backup，and recovery
考题
单选题An administrator is upgrading memory on the server. Once the server in turned back on, the administrator notices that the memory has not changed. The system board website says the board should accept the new amount of memory.Which of the following should the administrator do FIRST?（）A
Replace memory chips with known good memory chips.B
Reseat the memory chips.C
Update the BIOS.D
Upgrade the server OS
考题
多选题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？ （）APage FileBDisk UtilizationCSystem TemperatureDProcessor UtilizationENetwork Utilization
考题
单选题An administrator notices the / filesystem is 98% full. Which of the following files commonly grow rapidly（）A
/var/adm/wtmpB
/etc/security/failedloginC
/smit.scriptD
/proc
考题
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 -lB
jobs -lC
sched -lD
crontab -l
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