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单选题Management has decided that the database must be available 24 hours a day， 7 days a week. Given this requirement， which type of backup is required？（）A user-managed backups.B partial database backups.C consistent database backups.D inconsistent database

题目
单选题
Management has decided that the database must be available 24 hours a day， 7 days a week. Given this requirement， which type of backup is required？（）
A

user-managed backups.

B

partial database backups.

C

consistent database backups.

D

inconsistent database backups.

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相似问题和答案

第1题：

Which two statements are correct about database transportation?() (Choose two.)

A. The source and target platforms must be the same

B. Redo logs, control files and temp files are also transported

C. The transported database must have the same database identifier (DBID) as the source database and cannot be changed

D. The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported

E. Recovery Manager (RMAN) is used to convert the necessary data files of the database if the target platform is different and has different endian format


参考答案：D, E

第2题：

You want to flash back a test database by five hours.You issue this command:SQL > FLASHBACK DATABASE TO TIMESTAMP (SYSDATE － 5／24);Which two statements are true about this flashback scenario?()

A. The database must have multiplexed redo logs for the flashback to succeed.

B. The database must be MOUNTED for the flashback to succeed.

C. The database must use block change tracking for the flashback to succeed.

D. The database must be opened in restricted mode for the flashback to succeed.

E. The database must be opened with the RESETLOGS option after the flashback is complete.

F. The database must be opened in read-only mode to check if the database has been flashed back to the correct SCN.


参考答案：E, F

第3题：

You installed Oracle Database 11g and are performing a manual upgrade of the Oracle9i database. As a part of the upgrade process, you execute the following script:SQL>@utlu111i.sqlWhich statement about the execution of this script is true?（）

A. It must be executed from the Oracle Database 11g environment.

B. It must be executed only after the SYSAUX tablespace has been created.

C. It must be executed from the environment of the database that is being upgraded.

D. It must be executed only after AUTOEXTEND is set to ON for all existing tablespaces.

E. It must be executed from both the Oracle Database 11g and Oracle Database 9i environments.


参考答案：C

第4题：

Which two statements are correct about database transportation？（） 

  • A、 The source and target platforms must be the same
  • B、 Redo logs，control files and temp files are also transported
  • C、 The transported database must have the same database identifier （DBID） as the source database and cannot be changed
  • D、 The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported
  • E、 Recovery Manager （RMAN） is used to convert the necessary data files of the database if the target platform is different and has different endian format

正确答案:D,E

第5题：

At database startup， you discover that one of the disks containing an index tablespace has been lost due to a media failure. A backup of the lost index tablespace is not available. You have all the necessary scripts to recreate the indexes. You need to re-create the indexes in a new index tablespace. Which action must you perform before re-creating the indexes？（）

  • A、 Start the database in OPEN mode， and create a new index tablespace.
  • B、 Start the database in OPEN mode， and drop the lost index tablespace from the database.
  • C、Start the database in MOUNT mode， create a new index tablespace， and drop the lost index tablespace from the database.
  • D、 Start the database in MOUNT mode， drop the lost index tablespace from the database， open the database， and create a new index tablespace.

正确答案:D

第6题：

Which are the two prerequisites before setting up Flashback Data Archive? ()(Choose two.)

A. Flash recovery area must be defined

B. Undo retention guarantee must be enabled.

C. Database must be running in archivelog mode.

D. Automatic undo management must be enabled.

E. The tablespace in which the Flashback Data Archive is created must have automatic segment space Management (ASSM).


参考答案：D, E

第7题：

___________where the sound laboratory9

A.Has it decided; will build
B.Will it be decided; will be built
C.Has it been decided; will be built
D.Is it decided; is built

答案：C
解析：
第一个空，事情被决定，强调其结果，故用现在完成时的被动语态。第二个空，语音室应该是被建造．故选C。

第8题：

Which two are the prerequisites to enable Flashback Data Archive?() (Choose two.)

A. Database must be running in archivelog mode.

B. Automatic undo management must be enabled.

C. Undo retention guarantee must be enabled.

D. The tablespace on which the Flashback Data Archive is created must be managed with Automatic Segment Space Management (ASSM).


参考答案：B, D

第9题：

You want to use the Flashback Transaction Query feature to identify all the changes made to your database within a specific time period. What is a prerequisite for using the Flashback Transaction Query feature？（）

  • A、 You must use automatic undo management in the database.
  • B、 You must configure OMF in your database.
  • C、 You must configure ASM for storing the datafiles.
  • D、 You must multiplex the online redo log file.

正确答案:A

第10题：

A customer’s small heterogeneous enterprise has grown over time to more than 500 client systems， and the administrator cannot add new servers to the management database.  Which of the following is the most likely source of the problem？（）

  • A、The management server has reached its size limitation.
  • B、Additional agent licenses must be purchased.
  • C、The CPU and Memory requirements need to be upgraded.
  • D、The default JET database has reached its size limitation.

正确答案:D

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