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Which two statements are true about Oracle Managed Files (OM

题目
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Which two statements are true about Oracle Managed Files (OMF)?（）
A

OMF cannot be used in a database that already has data files created with user-specified directions.

B

The file system directions that are specified by OMF parameters are created automatically.

C

OMF can be used with ASM disk groups, as well as with raw devices, for better file management.

D

OMF automatically creates unique file names for table spaces and control files.

E

OMF may affect the location of the redo log files and archived log files.

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相似问题和答案

第1题：

Which two statements are true about Oracle Managed Files (OMF)?()

A. OMF cannot be used in a database that already has data files created with user-specified directions.

B. The file system directions that are specified by OMF parameters are created automatically.

C. OMF can be used with ASM disk groups, as well as with raw devices, for better file management.

D. OMF automatically creates unique file names for table spaces and control files.

E. OMF may affect the location of the redo log files and archived log files.


参考答案：B, D

第2题：

Which two statements are true about the RMAN validate database command?（）

  • A、It checks the database for intrablock corruptions.
  • B、It can detect corrupt pfiles.
  • C、It can detect corrupt spfiles.
  • D、It checks the database for interblock corruptions.
  • E、It can detect corrupt block change tracking files.

正确答案:A,C

第3题：

Which of the following statements about ORACLE is (are) correct?

Ⅰ.ORACLE follows SQL standard

Ⅱ.ORACLE database defines two logical types: table and view

A．Ⅰonly

B．Ⅱ only

C．Ⅰ and Ⅱ

D．none of the above


正确答案：C

第4题：

Which two statements are true about checkpointing（）

  • A、The checkpoint frequency decreases with the smaller redo log file size.
  • B、It ensures that all committed data is written to the data files during normal shutdown.
  • C、The frequent full checkpoint in a database can cause the overall degradation of the database performance.
  • D、It prompts the Checkpoint （CKPT） process to write data to the data files and redo information to the online redo log files.

正确答案:B,C

第5题：

Which two statements about bigfile tablespaces are true？ （）

  • A、The bigfile tablespace have only one data file.
  • B、The segment space management is automatic.
  • C、The extent management is dictionary managed.
  • D、The database can have only one bigfile tablespace.
  • E、The bigfile tablespace can be converted to a smallfile tablespace.

正确答案:A,B

第6题：

Which two statements are true about L2TP tunnels?（） (Choose two.)

  • A、Traffic is clear text
  • B、Traffic is encrypted 
  • C、They are initiated by the LNS
  • D、They are initiated by the LAC

正确答案:A,D

第7题：

Which two statements are true about interoperating with Oracle AQ JMS with Oracle WebLogic server ？（）

  • A、 If you select a non-XA JDBC driver， you can use WebLogic AQ JMS in both local & global transactions
  • B、 Oracle WebLogic Server requires a JDBC driver to communicate with the Oracle AQ JMS
  • C、 Oracle WebLogic AQ JMS stand-alone client automatically participate in global transactions managed by Oracle WebLogic Server
  • D、 If you select an XA JDBC driver， you can use WebLogic AQ JMS in both local and global transactions

正确答案:B,D

第8题：

Which two statements are true about the RMAN validate database command?()

A. It checks the database for intrablock corruptions.

B. It can detect corrupt pfiles.

C. It can detect corrupt spfiles.

D. It checks the database for interblock corruptions.

E. It can detect corrupt block change tracking files.


参考答案：A, C

第9题：

You performed the RMAN database backup with the KEEP option.Which two statements are true about this backup?（） (Choose two)

  • A、The KEEP option overrides the configured retention policy
  • B、The KEEP option is an attribute of an individual backup piece
  • C、The backup contains only data files and archived redo log files
  • D、The backup contains data files, the server parameter file and the control file even if the control file auto backup is disabled

正确答案:A,D

第10题：

Which two statements about the background process of the database writer are true（）

  • A、It is possible to have multiple database writers in an Oracle instance.
  • B、It writes dirty buffers， if any， to data files whenever a checkpoint occurs.
  • C、It writes dirty buffers， if any， to data files whenever a transaction commits.
  • D、It writes dirty buffers， if any， to data files before the log writer （LGWR） writes

正确答案:A,B

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