You perform differential incremental level 1 backups of your database on each working day and level 0 backup on Sundays, to tape.  Which two statements are true about differential incremental backups()A、The backup performed on Sundays contains all the bl

题目

You perform differential incremental level 1 backups of your database on each working day and level 0 backup on Sundays, to tape.  Which two statements are true about differential incremental backups()

  • A、The backup performed on Sundays contains all the blocks that have ever been used in the database.
  • B、The backup performed on Sundays contains all the blocks that have changed since the last level 1backup. 
  • C、The backup performed on each working day contains all the blocks that have changed since the lastlevel 0 backup.
  • D、The backup performed on Monday contains all the blocks that have changed since the level 0 backup,and every other working day contains all the blocks that have changed since the level 1 backup.

相似考题
参考答案和解析
正确答案:A,D
更多“You perform different”相关问题
  • 第1题:

    To check the______of these results, we perform two different empirical exercises.

    A.integrity
    B.perfection
    C.temperament
    D.reliability

    答案:D
    解析:
    本题考查形近词辨析。题目意为“为了检查这些结果的_____,我们进行了两种不同的实证练习。” A选项“完整,正直”,B选项“完美”,C选项“气质”,D选项“可靠性”。根据题干,我们进行两种练习,来检查结果是否可靠性,因此D选项更符合题意。
      

  • 第2题:

    If you make different trade in different countries, you must take different transport modes? ()

    • A、Yes    
    • B、Not    
    • C、It must be based on cost    
    • D、Not mention in the paragraph

    正确答案:C

  • 第3题:

    Your test database is running in NOARCHIVELOG mode. Which statement is true regarding the type ofbackups that can be performed on the database()

    • A、You can perform online whole database backups.
    • B、You can performofflinewhole database backups.
    • C、You cannot perform schema-level export/import operations.
    • D、You can perform the backup of only the SYSTEM tablespace when the database is open.

    正确答案:B

  • 第4题:

    You host 16 virtual machines that are distributed evenly across an 8-node Windows Server 2008 R2 Hyper-V failover cluster. You plan to perform live migrations of the VMs to prepare for the installation of software updates on the cluster. You need to perform the maximum number of simultaneous live migrations. How many live migrations should you perform simultaneously?()

    • A、one
    • B、two
    • C、four
    • D、eight

    正确答案:C

  • 第5题:

    You use Microsoft System Center Virtual Machine Manager (VMM) 2008 R2 to manage virtual machines (VMs). You need to deploy a cloned VM and automatically assign it a different name.  Where should you deploy the cloned VM?()

    • A、to the same host as the source VM
    • B、to a different host from the source VM
    • C、to the same library as the source VM
    • D、to a different library from the source VM

    正确答案:A

  • 第6题:

    You have a Windows Server 2008 R2 Hyper-V server. One of the virtual machines (VMs) that is hosted on the server has a directly attached physical disk. You need to back up the VM. What should you do?()

    • A、Perform a full server backup on the VM.
    • B、Perform a critical-volume backup on the VM.
    • C、Perform a full server backup on the host server.
    • D、Perform a critical-volume backup on the host server.

    正确答案:A

  • 第7题:

    多选题
    Your computer has a TV tuner card installed.  You install a wireless router and a Microsoft Windows Media Center Extender device. You need to access all the digital media on your computer from a different room in your house.  Which two actions should you perform? ()
    A

    Identify the setup key from the Windows Media Extender device, and input the key on your Microsoft Windows Vista computer.

    B

    Configure the Windows Media Center Extender device and your Microsoft Windows Vista computer to be on the same subnet.

    C

    Configure the Windows Media Center Extender device and your Microsoft Windows Vista computer to be on different subnets.

    D

    Enter the password for your Microsoft Windows Vista user account as the setup key for the Windows Media Center Extender device.


    正确答案: C,B
    解析: 暂无解析

  • 第8题:

    单选题
    Because of a logical corruption in your production database, you wanted to perform Tablespace Point in Time Recovery (TSPITR). But before you start the recovery,you queried the TS_PITR_OBJECTS_TO_BE_DROPPED view and realized that there are a large number of objects that would be dropped when you start the recovery by using this method. You want to preserve these objects.  Which option must you use to perform TSPITR and preserve the object?()
    A

     Perform Export before TSPITR and Import after TSPITR

    B

     Move objects to another schema that has the same tablespace assigned

    C

     Perform Incomplete Recovery before TSPITR with the Log Sequence Number (LSN)

    D

     Perform Incomplete Recovery before TSPITR with the System Change Number (SCN)


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    While planning to manage more than one database in your system, you perform the following activities:  1. Organize different categories of files into independent subdirectories.  2. Use consistent naming convention for database files.  3. Separate administrative information pertaining to each database.  Which option corresponds to the type of activities performed by you?()
    A

    Oracle Managed Files

    B

    Oracle Grid Architecture

    C

    Optimal Flexible Architecture

    D

    Oracle database architecture


    正确答案: D
    解析: 暂无解析

  • 第10题:

    单选题
    The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:   ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3;   Which action should you perform immediately after using this command?()
    A

     You should perform a log switch

    B

     You should make a backup of the database

    C

     You should switch the database to the NONARCHIVELOG mode

    D

     You should shut down the database instance and perform a complete database recovery


    正确答案: C
    解析: 暂无解析

  • 第11题:

    问答题
    How do you think your life will be different when you are retired?

    正确答案: I’m a workaholic so I guess I would be very bored after retirement. I wish to go back to work again but if I can’t then I would stay home, water the garden, babysit grandchildren.
    解析:
    退休后可以继续工作也可以享受晚年生活,比如呆在家里,照顾孙儿等。

  • 第12题:

    单选题
    To make your humor work, you should ______.
    A

    take advantage of different kinds of audience

    B

    make fun of the disorganized people

    C

    address different problems to different people

    D

    show sympathy for your listeners


    正确答案: A
    解析:
    细节理解题。看懂第一段第三句话Depending on whom you are addressing, the problems will be different以及后面的supporting evidence, 也就是后面的第四句话所表达的意思,就能准确回答本题。

  • 第13题:

    Which three are true regarding the use of outer joins? ()

    • A、You cannot use IN operator in a condition that involves an outerjoin.
    • B、You use (+) on both sides of the WHERE condition to perform an outerjoin.
    • C、You use (*) on both sides of the WHERE condition to perform an outerjoin.
    • D、You use an outerjoin to see only the rows that do not meet the join condition.
    • E、In the WHERE condition, you use (+) following the name of the column in the table without matching rows, to perform an outerjoin.
    • F、You cannot link a condition that is involved in an outerjoin to another condition by using the OR operator.

    正确答案:D,E,F

  • 第14题:

    Because of a logical corruption in your production database, you wanted to perform Tablespace Point in Time Recovery (TSPITR). But before you start the recovery, you queried the TS_PITR_OBJECTS_TO_BE_DROPPED view and realized that there are a large number of objects that would be dropped when you start the recovery by using this method. You want to preserve these objects. Which option must you use to perform TSPITR and preserve the object?()

    • A、Perform Export before TSPITR and Import after TSPITR
    • B、Move objects to another schema that has the same tablespace assigned
    • C、Perform Incomplete Recovery before TSPITR with the Log Sequence Number (LSN)
    • D、Perform Incomplete Recovery before TSPITR with the System Change Number (SCN)

    正确答案:A

  • 第15题:

    Your test database is running in NOARCHIVELOG mode. What are the implications of this? ()

    • A、You can perform open database backups.
    • B、You can perform closed database backups.
    • C、You cannot perform schema-level logical backups.
    • D、You can perform the backup of only the SYSTEM tablespace when the database is open.

    正确答案:B

  • 第16题:

    Your company has an Active Directory domain that runs Windows Server 2008 R2. The Sales OU   contains an OU for Computers, an OU for Groups, and an OU for Users. You perform nightly backups. An administrator deletes the Groups OU.    You need to restore the Groups OU without affecting users and computers in the Sales OU.    What should you do()

    • A、Perform an authoritative restore of the Sales OU.
    • B、Perform an authoritative restore of the Groups OU.
    • C、Perform a non-authoritative restore of the Groups OU.
    • D、Perform a non-authoritative restore of the Sales OU.

    正确答案:B

  • 第17题:

    Your company has an Active Directory domain that runs Windows Server 2008 The Sales OU contains an OU for Computers, an OU for Groups, and an OU for Users You perform nightly backups. An administrator deletes the Groups OU You need to restore the Groups OU without affecting users and computers in the Sales OU What should you do()

    • A、Perform an authoritative restore of the Sales OU.
    • B、Perform an authoritative restore of the Groups OU.
    • C、Perform a non-authoritative restore of the Groups OU.
    • D、Perform a non-authoritative restore of the Sales OU.

    正确答案:B

  • 第18题:

    单选题
    You perform a clean installation of Windows 7 on a computer. You need to ensure that you can runWindows XP Mode in Windows 7. What should you do?()
    A

    Enable hardware-assisted virtualization.

    B

    Create a Data Execution Prevention (DEP) exception.

    C

    Install Windows XP in the same partition as Windows 7.

    D

    Install Windows XP in a different partition than Windows 7.


    正确答案: C
    解析: 暂无解析

  • 第19题:

    单选题
    An important tablespace of your database is dropped by mistake. You use the Flashback Database feature to retrieve the tablespace. You perform the following steps to retrieve the tablespace:   1. You log on to Enterprise Manager as SYSDBA.    2. You select the maintenance screen.    3. You choose Perform Recovery option on the maintenance screen.    4. You choose Whole Database in the Object Type drop-down list Perform Recovery: Type screen. 5. You choose Recover to Current Time from the Operation Type on the Perform Recovery: Type screen.    6. You provide the Host Credentials for a database user. on the Perform Recovery: Type screen.    7. You click the continue button.    An information screen appears saying that the database is unavailable. What is this information screen?()
    A

    Recovery Manager

    B

    Recovery Window

    C

    Recovery Wizard

    D

    Enterprise Manager Home Page


    正确答案: D
    解析: 暂无解析

  • 第20题:

    填空题
    If he farmer and the dog wait for you and start attacking you, you will probably want to try another different direction.____

    正确答案: D
    解析:
    根据题干信息“try another different direction”可以定位到D段“On the other hand, if Farmer Giles starts taking pot shots at you and sportingly lets the dog try and shoot you too, before releasing it to sink its gnashers into your rear end, then you’ll probably find a new way home once you’re released from hospital.”,如果农夫用枪袭击你,并放狗咬你,一旦你从医院康复出来,你就有可能寻找一条新的路回家,故匹配段落为D。

  • 第21题:

    单选题
    In a new installation of Oracle Database 11g, you perform these activities:  1:Organize software and data on different subdirectories to avoid poor performance.  2:Use consistent naming conventions for database files.  3:Separate administrative information pertaining to the database in different directories.  Which option corresponds to the type of activities you performed()
    A

    Oracle Managed Files

    B

    Oracle Grid Architecture

    C

    Optimal Flexible Architecture

    D

    Oracle database architecture

    E

    Automatic Storage Management


    正确答案: C
    解析: 暂无解析

  • 第22题:

    问答题
    Do you think that colour has different meanings to different people?

    正确答案: I believe cultural differences have a lot to do with the different interpretations to colors. For instance, red implies danger in the Western countries whereas it symbolises happiness in China.
    解析:
    考生可回答中西方文化不同,对颜色的理解也不同。比如红色在东方象征吉祥,在西方象征危险。

  • 第23题:

    单选题
    In a new installation of Oracle Database 11g, you perform these activities: 1. Organize software and data on different subdirectories to avoid poor performance. 2. Use consistent naming conventions for database files. 3. Separate administrative information pertaining to the database in different directories.  Which optioncorresponds to the type of activities you performed()
    A

    Oracle Managed Files

    B

    Oracle Grid Architecture

    C

    Optimal Flexible Architecture

    D

    Oracle database architecture

    E

    Automatic Storage Management


    正确答案: D
    解析: 暂无解析

  • 第24题:

    单选题
    If you make different trade in different countries, you must take different transport modes? ()
    A

    Yes    

    B

    Not    

    C

    It must be based on cost    

    D

    Not mention in the paragraph


    正确答案: C
    解析: 暂无解析