多项选择题Your database is functioning in ARCHIVELOG mode. In which two situations would you perform a cancel-based recovery? ()

A. You find that one of the redo log members in each redo log group is lost.
B. You find that a data file that belongs to the USERS tablespace is damaged.
C. You find that a data file that belongs to the SYSTEM tablespace is damaged.
D. You find that the current redo log group is damaged and is not available for recovery.
E. You realized while performing a recovery that an archived redo log file needed for recovery is lost.


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1.单项选择题Which statement is true while creating subplans using Resource Manager?()

A. The subplan must belong to the consumer group, SYS_GROUP.
B. The total CPU usage at any given level must be less than 100%.
C. The subplans can be used to restrict the degree of parallelism for a user.
D. You can use a resource plan instead of a consumer group to implement a priority ranking within the plan.

2.多项选择题You are using Oracle Database 10g. You performed an incomplete recovery of your database and opened the database with the RESETLOGS option. What is the effect of opening the database with the RESETLOGS option? ()

A. This operation resets the SCN for the database.
B. This operation creates a new incarnation of the database.
C. This operation moves all the redo log files to a different location.
D. This operation deletes the old redo log files and creates new redo log files.
E. This operation updates all current datafiles and online redo logs and all subsequent archived redo logs with a new RESETLOGS SCN and time stamp.

3.多项选择题For an incomplete recovery, which four backup types can be used by Recovery Manager (RMAN) to restore data files?()

A. RMAN image copies.
B. RMAN database backups.
C. RMAN tablespace backups.
D. User-managed backups placed in the flash recovery area.
E. User-managed backups that have been cataloged with RMAN.
F. User-managed data file backups for which the pull path name is specified.

5.多项选择题While creating a scheduler window using the DBMS_SCHEDULER package, a user logged in as DBMGR gets the error message insufficient privileges? Which two commands would you use to resolve this error?()

A. GRANT dba TO dbmgr;
B. GRANT connect TO dbmgr;
C. GRANT resource TO dbmgr;
D. GRANT hs_admin_role TO dmbgr;
E. GRANT manage scheduler TO dbmgr;

6.多项选择题What are the two advantages of RMAN Block Media Recovery (BMR) over file-level recovery?()

A. BMR lowers the mean time to recover (MTTR).
B. BMR supports point-in-time recovery of individual data blocks.
C. BMR enables you to use incremental backups for block recovery.
D. BMR enables recovery even when the database is not mounted or open.
E. BMR enables you to use proxy backups to perform block media recovery.
F. BMR enables increased availability of data during recovery because the data file requires a recovery can remain online.

7.单项选择题Using Oracle Scheduler you have scheduled two jobs, JOB_A and JOB_B, to run at 9:00 p.m. every Friday. You want both the jobs to use a single resource plan, WEEKEND_PLAN. Which task must have already been performed to enable you to achieve this objective?()

A. A window must have been created with the WEEKEND_PLAN resource plan.
B. A program must have been created with the WEEKEND_PLAN resource plan.
C. A job class must have been created with the WEEKEND_PLAN resource plan.
D. A windows group must have been created with the WEEKEND_PLAN resource plan.

8.单项选择题Users are performing a large volume of inserts and deletes on the application tables in the APPS tablespace. You observe that there are several warning alerts being generated for the APPS tablespace space usage metrics. Currently, the warning threshold for the tablespace usage metrics is set to 70%. To make the generated alerts more useful as a problem identification tool, you want to reduce the frequency of alert generation for the tablespace usage metrics for the APPS tablespace. What should you do?()

A. Disable SQL tracing for the APPS tablespace.
B. Disable logging attributes for the APPS tablespace.
C. Modify the tablespace to be a dictionary-managed tablespace.
D. Increase the critical threshold value for the tablespace space usage metrics for the APPS tablespace.
E. Increase the warning threshold value for the tablespace space usage metric for the APPS tablespace.

9.多项选择题You are working in a dedicated server environment. Your database is running in the automatic Program Global Area (PGA) memory management mode. Which two statements are correct in this scenario? ()

A. The WORK_AREASIZE_POLICY initialization parameter cannot be set to AUTO.
B. The Oracle database automatically controls the amount of PGA memory allotted to SQL work areas.
C. Setting the value of the SGA_TARGET initialization parameter to 0 will disable the automatic PGA memory management.
D. The SORT_AREA_SIZE parameter is ignored by all the sessions running in the automatic PGA memory management mode.

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Your database operates in ARCHIVELOG mode. User­managed consistent backups are performed every Sunday night. On Tuesday, client A drops a table at 8:00 a.m. as follows: SQL> DROP TABLE cust_ord PURGE; Table dropped. Client B executes a query at 9:00 a.m. on the same table as follows: SQL> SELECT * FROM cust_ord;SELECT * FROM cust_ord* ERROR at line 1: ORA­00942: table or view does not exist Client B needs the dropped table and reports the problem to you. With reference to this scenario, which action should you take?()

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You executed the following query in your database: FROM V$FLASHBACK_DATABASE_LOG; What would you determine from the output?()

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You used the following command in Recovery Manager (RMAN) as part of the recovery process: RESTORE CONTROLFILE FROM AUTOBACKUP; How does RMAN find the control file autobackup?()

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You lost the index tablespace in your database. You are not able to use tablespace point­in­time recovery on the index tablespace. What could be the reason for this?()

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In which case would you use the Flashback Database feature to perform a recovery?()

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You lost the index tablespace in your database. You decided to re­create the index tablespace and the indexes in the tablespace. What methods can you use to re­create the indexes?()

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You configured the flash recovery area in the database. Which two files would you expect to find in the flash recovery area? ()

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You noticed that the index tablespace in your database requires a recovery. However, instead of performing a media recovery, you decided to re­create the indexes in a new tablespace. Which two options would you use to reduce the time it takes to re­create the indexes?()

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In your database, all the tablespaces are locally managed. You started Recovery Manager (RMAN) using recovery catalog. The following commands are used in the process of recovering the database by using the backup control file: In what sequence would you use this process to perform the recovery?()

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You are using Oracle Database 10g. The LOG_ARCHIVE_FORMAT parameter is set to ’LOG%t_%s_%r.dbf’. Why is %r used in the file name format?() 

题型:单项选择题