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修复（repair）
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D) 【解析】系统的可靠性通常用平均无故障时间( MTBF)和平均故障修复时间( MTTR)来表示，MTTR是Mean Time To Repair的缩写，指修复一次故障所需要的时间。
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Although a ship usually has repair in a shipyard, ________ is also necessaryA.the general repair on boardB.the voyage repairC.the annual repairD.the dock repair
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Which two activities are NOT supported by the Data Recovery Advisor?()
A. Diagnose and repair a data file corruption offline.B. Diagnose and repair a data file corruption online.C. Diagnose and repair failures on a standby database.D. Recover from failures in the Real Application Cluster (RAC) environment.
考题
Which two statements are true regarding the SQL Repair Advisor?()
A. The SQL Repair Advisor can be invoked to tune the performance of the regressed SQL statements.B. The SQL Repair Advisor can be invoked even when the incident is not active for a SQL statement crash.C. The SQL Repair Advisor is invoked by the Health Monitor when it encounters the problematic SQL statement.D. The DBA can invoke the SQL Repair Advisor when he or she receives an alert generated when a SQL statement crashes and an incident is created in the ADR.
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View the Exhibit to examine the error during the database startup.You open an RMAN session for the database instance. To repair the failure, you executed the following as the first command in the RMAN session:RMAN REPAIR FAILURE;Which statement describes the consequence of the command?（）A. The command performs the recovery and closes the failures.B. The command only displays the advice and the RMAN script required for repair.C. The command produces an error because the ADVISE FAILURE command has not been executed before the REPAIR FAILURE command.D. The command executes the RMAN script to repair the failure and removes the entry from the Automatic Diagnostic Repository (ADR).
考题
What is NOT true about overhaul repair?( )
A.Overhaul repair is a major repair.B.Overhaul repair is carried out in a dock.C.Overhaul repair is carried out once a year.D.Overhaul repair is done for the purpose of rating.
考题
通常使用平均修复时间MTTR(Mean Time to Repair)和平均故障间隔时间MTBF(Mean Time Between Failure)这两个指标来评价产品或系统的可靠性。
A．错误B．正确
考题
Several sand boxes need （）.A、to repair and renewB、repairing and renewingC、repair and renewD、repaired and renewed
考题
Which two statements are true regarding the SQL Repair Advisor？（） A、 The SQL Repair Advisor can be invoked to tune the performance of the regressed SQL statements.B、 The SQL Repair Advisor can be invoked even when the incident is not active for a SQL statement crash.C、 The SQL Repair Advisor is invoked by the Health Monitor when it encounters the problematic SQL statement.D、 The DBA can invoke the SQL Repair Advisor when he or she receives an alert generated when a SQL statement crashes and an incident is created in the ADR.
考题
Which two activities are NOT supported by the Data Recovery Advisor?（）A、Diagnose and repair a data file corruption offline.B、Diagnose and repair a data file corruption online.C、Diagnose and repair failures on a standby database.D、Recover from failures in the Real Application Cluster (RAC) environment.
考题
Which two activities are NOT supported by the Data Recovery Advisor （DRA）（）A、Recover from failures in the RAC environment.B、Diagnose and repair a data file corruption online.C、Diagnose and repair a data file corruption offline.D、Diagnose and repair failures on a standby database
考题
单选题起货机出故障时，水手要去叫电工来修理。（）A
When the windlass is in trouble, the sailor must go and call the electrician to repair it.B
When the derrick is in trouble, the sailor must go and call the electrician to repair it.C
When the winch is in trouble, the sailor must go and call the electrician to repair it.D
When the winch is in trouble, the sailor must go and call the carpenter to repair it.
考题
单选题To ensure the quality of dock repair, C/E should know very well （）A
the repair standard of main docking repair itemB
the special tool for repair itemC
the skill of repairerD
the status of docking repair equipment
考题
判断题通常使用平均修复时间MTTR（Mean Time to Repair）和平均故障间隔时间MTBF（Mean Time Between Failure）这两个指标来评价产品或系统的可靠性。A
对B
错
考题
单选题Look out! Don't get too close to the house that roof is under repair.A
Look outB
getC
thatD
under repair
考题
单选题His uncle would rather ______ the old bike than ______a new one.A
repair, to buyB
to repair, buyC
repair, buyD
to repair, to buy
考题
单选题Now that the valve is not worth （）, I suggest it （）.A
to repair；to renewB
repairing；be renewedC
repairing；will be renewedD
to repair；to be renewed
考题
判断题统可靠性是指该系统在服务时间内可靠工作的程度，常用平均修复时间（Mean Time To Repair，MTYR）来衡量。A
对B
错
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