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Sometimes performance is more important than availability （e.g.， in cases where the data can be easily re-created）. Which of the following is the appropriate disk configuration for an application that requires faster writes over availability？（）
- A、RAID-1
- B、RAID-5
- C、RAID-0+1
- D、RAID-0
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更多 “Sometimes performance is more important than availability （e.g.， in cases where the data can be easily re-created）. Which of the following is the appropriate disk configuration for an application that requires faster writes over availability？（）A、RAID-1B、RAID-5C、RAID-0+1D、RAID-0” 相关考题
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Sometimes people decide that being tan is better than being pale. Sometimes they decide the opposite.()
此题为判断题(对，错)。
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A technician wants to compare a new server performance over a period of time. Which of the following should the technician do FIRST?()
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“…nor does giving people breakfast improve performance”means______.A.anyone without breakfast does improve his performance
B.not giving people breakfast improve performance
C.having breakfast does not improve performance,either
D.people having breakfast do improve their performance
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A technician wants to compare a new server performance over a period of time. Which of the following should the technician do FIRST?（）A、Monitor processor performance logsB、Constantly check the task managerC、Use performance server logsD、Establish a baseline for the server
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Sometimes performance is more important than availability （e.g.， in cases where the data can be easily re-created）. Which of the following is the appropriate disk configuration for an application that requires faster writes over availability（）A、RAID 1B、RAID 6C、RAID 0 + 1D、RAID 0
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A customer wants to purchase an IBM System Storage DS8700 to support a high-performance database environment. Which technical solution gives the customer the best relationship between I/O performance at the machine’s backend vs. capacity installed in the machine（）A、additional installation of the first and second expansion frame will increase the backend performance capabilityB、the usage of 300 GB/15k FC disks will give the server a high-performance backend capabilityC、performance Accelerator restricts the number of disks connected to one device adapter pair to 32 disksD、the second RIO-G loop between the base frame and the first expansion increases the backend performance
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Consider the events_% tables in performance Schema. Which two methods will clear or reset the collected events in the tables?（）A、Using DELETE statements, for example, DELETE FROM performance_schema.events_watis_currentB、Using the statement RESET PERFORMANCE CACHEC、Using the statement FLUSH PERFORMANCE CACHED、Using TRUNCATE statements, for example, TRUNATE TABLE performance_schema.events_waits_currentE、Disabling and re-enabling all instrumentsF、Restarting Mysql
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单选题Refer to the exhibit. Available public Internet sites are sometimes used for estimating performance. Which statement regarding their use for estimating VPN performance is correct?（）A
Throughput results are valid as a value from the Teleworker's home to the corporate site, regardless of the location of the public test server. B
Throughput results may not be valid due to the public server's location on the Internet and fluctuations based on the use of the public server. C
Throughput values are not affected by the choice of split tunneling or Internet access through the VPN. D
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单选题Identify a performance impact when using the Performance Schema.（）A
There is no impact on performanceB
The overhead depends on the settings of the Performance SchemaC
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单选题A technician wants to compare a new servers performance over a period of time. Which of the following should the technician do FIRST？（）A
Monitor processor performance logsB
Constantly check the task managerC
Use performance server logsD
Establish a baseline for the server
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单选题Sometimes the bill of lading refers to the loading marks inscribed on the goods，and sometimes there（）a statement as to their quality.A
hasB
providesC
isD
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多选题Consider the events_% tables in performance Schema. Which two methods will clear or reset the collected events in the tables?（）AUsing DELETE statements, for example, DELETE FROM performance_schema.events_watis_currentBUsing the statement RESET PERFORMANCE CACHECUsing the statement FLUSH PERFORMANCE CACHEDUsing TRUNCATE statements, for example, TRUNATE TABLE performance_schema.events_waits_currentEDisabling and re-enabling all instrumentsFRestarting Mysql
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单选题You need to enhance performance of foreground and background applications. How can you configure Windows 2000 Professional to process both foreground and background applications at the same priority？ （）A
By selecting the applications options in the performance options dialog box.B
By selecting the application services option in the performance options dialog box.C
By selecting the background option in the performance options dialog box.D
By selecting the background services option in the performance options dialog box.
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单选题You notice that the performance of your production 24/7 Oracle database significantly degraded.Sometimes you are not able to connect to the instance because it hangs. You do not want to restart thedatabase instance.How can you detect the cause of the degraded performance?（）A
Enable Memory Access Mode, which reads performance data from SGA.B
Use emergency monitoring to fetch data directly from SGA analysis.C
Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots.D
Use Active Session History (ASH) data and hang analysis in regular performance monitoring.E
Run ADDM in diagnostic mode.
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单选题You work as a database administrator for Certkiller .com. In your database server， the parameter PLSQL_OPTIMIZE_LEVEL has been set to 2. What would this setting achieve？（）A
It degrades the run time and compiler performance.B
It provides better run time and compiler performance.C
It provides better optimization of the statement during parse time.D
It forces the rule based optimizer to be used for statement optimization.E
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It provides better run time performance but slightly degraded run time performance.
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open loop controlB
feedbackC
combining controlD
integral process
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单选题In your database server， the parameter PLSQL_OPTIMIZE_LEVEL has been set to 2. What would this setting achieve？（）A
It degrades the run time and compiler performance.B
It provides better run time and compiler performance.C
It provides better optimization of the statement during parse time.D
It forces the rule based optimizer to be used for statement optimization.E
It provides better run time performance but slightly degraded compiler performance.F
It provides better run time performance but slightly degraded run time performance.
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单选题You have an Exchange Server 2010 Mailbox server.You need to identify which users have the largest mailboxes on the server.What should you do？（）A
Run the Get-MailBoxStatistics cmdlet.B
Run the Get-StoreUsageStatistics cmdlet.C
Add the MSExchangeIS Client performance counters to the Performance Monitor.D
Add the MSExchangeIS Mailbox performance counters to the Performance Monitor.
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单选题Sometimes charter-party expressly prohibit the loading of dangerous goods，but sometimes a Charterer is entitled by an express term to load them provided that due notice is given （）.A
to the masterB
the chartererC
the merchantD
receiver
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单选题Sometimes performance is more important than availability （e.g.， in cases where the data can be easily re-created）. Which of the following is the appropriate disk configuration for an application that requires faster writes over availability？（）A
RAID-1B
RAID-5C
RAID-0+1D
RAID-0
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