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After removing several obsolete programs from a PC, a user is experiencing slower than usuallyprocessing times. Which of the following would be the BEST way to speed up the processing? （）A、Use an external hard drive.B、Defrag the hard drive.C、Add more RAM

题目

After removing several obsolete programs from a PC, a user is experiencing slower than usuallyprocessing times. Which of the following would be the BEST way to speed up the processing? （）

  • A、Use an external hard drive.
  • B、Defrag the hard drive.
  • C、Add more RAM to the computer.
  • D、Install a larger hard drive.
相似考题

1.After several day’s hardworking, we have made () on the design.A.much improvementB.several improvementsC.many improvementD.some improvement

2.The old couple decided to move out of town to a quiet () , where they had spent several years immediately after their marriage.A.spaceB.suburbC.neighborhoodD.area

3.People tend to make mistake when ____.A. they perform. several challenging tasks at a time.B. new messages are processed one after anotherC. their relationships with others are affectedD. the tasks require little thought

4.The police _______ the criminal several hours after they found an important clue to his identity.A. arrestedB. admittedC. revealedD. cheated

更多“After removing several obsolete ”相关问题

  • 第1题：

    Examine the following RMAN command:Which two statements are true regarding the backup taken by using the above RMAN command?()

    A. Only data files and the control file are backed up.

    B. Archived redo logs are backed up only I f the database is open during the backup.

    C. The backup is deleted after one day, regardless of the default retention policy settings.

    D. The backup becomes obsolete after one day, regardless of the default retention policy settings.


    参考答案：B, D

  • 第2题：

    Which of the following problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger? .

    A.Reduce engine speed to idle before removing the filter

    B.Soak the dirty filter in kerosene only

    C.Blow out the air inlet with compressed air

    D.Cover the air inlet after removing the filter


    正确答案：D

  • 第3题：

    Only after they had discussed the matter for several hours ___________ a decision.

    A.they reached
    B.did they reach
    C.they reach
    D.do they reach

    答案：B
    解析：
    本句中only后接的是after引导的条件状语从句。only提前时，主句部分倒装；结合本句的时态可知，B项正确。

  • 第4题：

    You issue the following RMAN command to set a retention policy on a database：       RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2；   What will be the outcome of the above command？（）

    • A、 After two days， the backup will be marked obsolete.
    • B、 After two days， the backup will be deleted from the media.
    • C、 If the RMAN repository has records of two or more recent backups of a file， then the older backup will be deleted from the media.
    • D、 If the RMAN repository has records of two or more recent backups of a file， then the older backup will be marked obsolete.

    正确答案:D

  • 第5题：

    You create the sales report and run it in the live previewer. After which change would the live previewer require the data? （）

    • A、Removing column from the available list in the report wizard. 
    • B、Removing the column from the displayed list in the report wizard. 
    • C、Changing the display width of a column in the report wizard. 
    • D、Adding a column to both the available list and displayed list in the report wizard. 
    • E、Removing a column in the live previewer. 

    正确答案:D

  • 第6题：

    单选题
    After several days of heavy rain the roof（）with a loud noise, crashing (坠落) onto the ground.
    A

    came out

    B

    came down

    C

    came on

    D

    came at


    正确答案： B
    解析： 暂无解析

  • 第7题：

    单选题
    Snow _____ is a big problem in some areas after the snow storm which lasts several days.
    A

    mobilization

    B

    promotion

    C

    motive

    D

    removal


    正确答案： B
    解析：
    句意：在一些地区，持续数天的暴风雪后的积雪清扫工作是个大问题。removal排除，清除。mobilization动员。promotion促进；晋升。motive动机，目的。

  • 第8题：

    单选题
    You issue the following RMAN command to set a retention policy on a database：       RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2；   What will be the outcome of the above command？（）
    A

     After two days， the backup will be marked obsolete.

    B

     After two days， the backup will be deleted from the media.

    C

     If the RMAN repository has records of two or more recent backups of a file， then the older backup will be deleted from the media.

    D

     If the RMAN repository has records of two or more recent backups of a file， then the older backup will be marked obsolete.


    正确答案： A
    解析： 暂无解析

  • 第9题：

    多选题
    Immediately after adding a new disk to or removing an existing disk from an Automatic Storage Management （ASM） instance， you find that the performance of the database decreases initially， until the addition or removal process is completed. Performance then gradually returns to normal levels. Which two activities could you perform to maintain a consistent performance of the database while adding or removing disks？（）
    A

    increase the number of checkpoint processes

    B

    define the POWER option while adding or removing the disks

    C

    increase the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSES

    D

    increase the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVES

    E

    increase the number of ASM Rebalance processes by setting up a higher value for ASM_POWER_LIMIT during the disk addition or removal


    正确答案： A,D
    解析： 暂无解析

  • 第10题：

    单选题
    After several nuclear disasters, a _____ has raged over the safety of nuclear energy.
    A

    quarrel

    B

    suspicion

    C

    verdict

    D

    controversy


    正确答案： D
    解析：
    句意：几次核灾难激起了一场关于核能的安全性的争论。controversy争论，辩论，所涉及的特别是社会、道德或政治问题。nuclear disasters和safety of nuclear energy形成对立关系，这种对立引起争论，因此D为正确答案。quarrel争论，强调以吵架、发生口角等形式引起的争论，不够正式。suspicion怀疑。verdict陪审团的判决，决定。

  • 第11题：

    单选题
    Which statement is true about the UNDO_RETENTION parameter when retention guarantee is not enabled（）
    A

    It is the time period after which the undo data becomes obsolete.

    B

    It is the time period after which the committed undo data would be transferred to a temporary tablespace.

    C

    It is the minimum time period up to which the committed undo data would be retained if free undo space isavailable.

    D

    It is the time period after which the undo data is transferred to the Flash Recovery Area to provide readconsistency.


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    A technician is replacing fifteen 21 CRTs with 19 LCDs. The storage room is on the other side of the building. Which of the following safety measures should the technician take?（）
    A

    Wear a back brace when lifting and carrying the CRTs to the storage room.

    B

    Wear anti-static wrist straps to prevent ESD in the new monitors.

    C

    Recycle the monitors after removing the capacitors for use in other monitors.

    D

    Ask several technicians for help in lift the CRT monitors and use a cart for transporting them.


    正确答案： D
    解析： 暂无解析

  • 第13题：

    The following actions can be taken to remove a fileset EXCEPT.()

    A.Removing a fileset update leaving the base fileset

    B.Removing a base fileset in the BROKEN state

    C.Removing a base fileset in the COMMITTED state and all fileset updates in the APPLIED stat

    D.Removing a base fileset in the COMMITTED state and all fileset updates in the COMMITTED state


    参考答案：A

  • 第14题：

    Except in rare cases, it is impossible to extinguish a shipboard fire by ______.

    A.removing the heat

    B.removing the oxygen

    C.removing the fuel

    D.interrupting the chain reaction


    正确答案：C
    除极少数案例外，船上不可能通过移开燃油来灭火。（书内解释：船火一般不因热源被移走而熄灭）

  • 第15题：

    A system administrator has disabled USB ports after experiencing several virus outbreaks. A user needs to transfer several extremely large work related files from their home desktop computer to their work desktop computer. Which of the following will allow the user to transfer the needed files?（）

    • A、An IEEE-1394 device
    • B、A NIC device
    • C、An IrDA device
    • D、A FDD device

    正确答案:A

  • 第16题：

    Which statement is true about the UNDO_RETENTION parameter when retention guarantee is notenabled（）

    • A、It is the time period after which the undo data becomes obsolete.
    • B、It is the time period after which the committed undo data would be transferred to a temporarytablespace.
    • C、It is the minimum time period up to which the committed undo data would be retained if free undo spaceis available.
    • D、It is the time period after which the undo data is transferred to the Flash Recovery Area to provide readconsistency.

    正确答案:C

  • 第17题：

    The following actions can be taken to remove a fileset EXCEPT.（）

    • A、Removing a fileset update leaving the base fileset
    • B、Removing a base fileset in the BROKEN state
    • C、Removing a base fileset in the COMMITTED state and all fileset updates in the APPLIED stat
    • D、Removing a base fileset in the COMMITTED state and all fileset updates in the COMMITTED state

    正确答案:A

  • 第18题：

    单选题
    After a person has been revived by artificial respiration，he should be（）.
    A

    walked around until he is back to normal

    B

    given several shots of whiskey

    C

    kept lying down and warm

    D

    allowed to do as he wishes


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    You issue the following RMAN command to set a retention policy on a database：   RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2；   What will be the outcome of issuing this command？（）
    A

     After two days，a backup will be marked obsolete

    B

     After two days，a backup will be deleted from the media

    C

     If the RMAN repository has records of two or more recent backups of a file，then older backups will be deleted from the media.

    D

     If the RMAN repository has records of two or more recent backups of a file then older backups will be marked obsolete.


    正确答案： D
    解析： 暂无解析

  • 第20题：

    多选题
    Immediately after adding a new disk to or removing an existing disk from an ASM instance, you find that the performance of the database goes down initially until the time the addition or removal process is completed, and then gradually becomes normal. Which two activities would you perform to maintain a consistent performance of the database while adding or removing disks?（）
    A

    Define the POWER option while adding or removing the disks

    B

    Increase the number of ARB processes by setting up a higher value for ASM_POWER_LIMIT.

    C

    Increase the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSES

    D

    Increase the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVES


    正确答案： D,B
    解析： 暂无解析

  • 第21题：

    单选题
    After removing several obsolete programs from a PC, a user is experiencing slower than usuallyprocessing times. Which of the following would be the BEST way to speed up the processing? （）
    A

    Use an external hard drive.

    B

    Defrag the hard drive.

    C

    Add more RAM to the computer.

    D

    Install a larger hard drive.


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    Which statement is true about the UNDO_RETENTION parameter when retention guarantee is notenabled（）
    A

    It is the time period after which the undo data becomes obsolete.

    B

    It is the time period after which the committed undo data would be transferred to a temporarytablespace.

    C

    It is the minimum time period up to which the committed undo data would be retained if free undo spaceis available.

    D

    It is the time period after which the undo data is transferred to the Flash Recovery Area to provide readconsistency.


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    Which of the following problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger?（）
    A

    Reduce engine speed to idle before removing the filter

    B

    Soak the dirty filter in kerosene only

    C

    Blow out the air inlet with compressed air

    D

    Cover the air inlet after removing the filter


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    After trying several times, the customer who was injured _____ to see the general manager of the supermarket.
    A

    managed

    B

    succeeded

    C

    won

    D

    attempted


    正确答案： B
    解析：
    句意：在几次尝试后，那位受伤的顾客成功地见到了超市的总经理。manage to do sth.成功地做成某事。succeed，win都有“成功”之意，但二者后都不跟to。attempt to do sth.尝试着做某事。

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