In your Supportcenter.cn production database,you find that t

题目
单选题
In your Supportcenter.cn production database,you find that the database users are able to create and read files with unstructured data,available in any location on the host machine from an application. You want to restrict the database users to access files in a specific location on the host machine. What could do to achieve this?()
A

Modify the value for the UTL_FILE_DIR parameter in the parameter file

B

Grant read and write privilege on the operating system path to the database users

C

Modify the value for the LDAP_DIRECTORY_ACCESS parameter in the parameter file

D

Modify the value for the PLSQL_NATIVE_LIBRARY_DIR parameter in the parameter file

E

Create a directory object referring to the operating system path, and grant read and write privilege on the directory object to the database users

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相似问题和答案

第1题:

You are using a recovery catalog to maintain Recovery Manager (RMAN) backup information for yourproduction database. You have registered your production database and are performing regular backups.Because of a new requirement you have added a few new tablespaces to your production database and youwant them to be included in backups.Identify two options for completing this task. ()(Choose two.)

A. Reregistering the target database in recovery catalog

B. Transporting the new tablespaces to the recovery catalog database

C. Syncronizing the recovery catalog with the target database control file

D. Performing a fresh backup of the target database to include the new data files in the catalog database


参考答案:C, D

第2题:

In your production database, you have observed that the database server performance degrades whenever there is a switch between the log groups. On further investigation, you find that the database is running in ARCHIVELOG mode and the archived log files are being written to the same disk that is used to store the redo log members.  Which two actions would you take to improve the performance of the database server?()

  • A、increase the size of the redo log buffer
  • B、increase the number of redo log groups
  • C、increase the number of log writer processes
  • D、increase the number of ARCn processes
  • E、change the appropriate LOG_ARCHIVE_DEST_n parameter to place the archived log files in a separate location

正确答案:B,E

第3题:

You are using Recovery Manager (RMAN) with a recovery catalog to back up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. Because of media failure, you lost your production database completely along with the recovery catalog database. You want to recover the target database and make it functional. You consider performing the following steps to accomplish the task:Which option illustrates the correct sequence that you must use?()

A. 8, 1, 3, 2, 4, 5, 7, 6

B. 1, 8, 3, 4, 2, 5, 7, 6

C. 1, 3, 4, 2, 8, 5, 6, 7

D. 1, 3, 2, 4, 6, 5, 7, 8


参考答案:A

第4题:

You realize that the control file is damaged in your production database.After restoring the control file from autobackup, what is the next step that you must do to proceed with the database recovery?()

  • A、Mount the database
  • B、Open the database in NORMAL mode
  • C、Open the database in RESTRICTED mode
  • D、Open the database with the RESETLOGS option

正确答案:A

第5题:

You are maintaining your production database in Oracle10g. You want the circular reuse records in the control file of the target database to be reused as required.   Which value will you set for the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter?()

  • A、 0
  • B、 1
  • C、 NONE
  • D、 DEFAULT

正确答案:A

第6题:

Your boss at Supportcenter.cn wants you to clarify Oracle 10g. Which condition in your database forces you to perform only consistent backups?()

  • A、The database is in mount state.
  • B、One of the tablespaces is offline.
  • C、One of the tablespaces is read only.
  • D、The database operates in ARCHIEVELOG mode. 
  • E、The database operates in NOARCHIEVELOG mode.

正确答案:E

第7题:

You are maintaining your database in Oracle10g. You find that the number of languages that should be supported in your database has increased. The character set of your database is UTF8. You decide to migrate your database to the AL16UTF16 national character set.   How will you migrate your database from UTF8 to AL16UTF16?()  

  • A、 by using the RMAN utility
  • B、 by using the export/import utility
  • C、 by using the ALTER DATABASE command
  • D、 by enabling the change tracking feature

正确答案:C

第8题:

You realize that the control file is damaged in your production database.After restoring the control file from autobackup, what is the next step that you must do to proceed with the database recovery?()

A. Mount the database

B. Open the database in NORMAL mode

C. Open the database in RESTRICTED mode

D. Open the database with the RESETLOGS option


参考答案:A

第9题:

Your Supportcenter.cn database is in ARCHIVELOG mode. The data file that belongs to the SYSTEM tablespace has become corrupted. Up to what point can you recover the database?()

  • A、Until last commit
  • B、Until the time you perform recovery
  • C、Until the time the date file got corrupted
  • D、Until the point where the last transaction begun
  • E、You cannot recover the SYSTEMtablespaceand must re-create the database.

正确答案:A

第10题:

In the parameter file of your production database, the FAST_START_MTTR_TARGET parameter is set to 300 to optimize instance recovery. While observing the performance of the database during instance recovery, you find that the redo log files are not sized properly to support this activity. Which two sources could you use to determine the optimal size of the redo log files?()

  • A、the V$LOG view
  • B、the V$DBFILE view
  • C、the V$LOGFILE view
  • D、the V$INSTANCE_RECOVERY view
  • E、Oracle Enterprise Manager Database Control

正确答案:D,E

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