单项选择题You enabled block change tracking for faster incremental backups in your database. Which background process writes to the change tracking file?()

A. RBAL
B. CKPT
C. SMON
D. PMON
E. MMON
F. CTWR
G. DBWR


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1.多项选择题Which six files are maintained in the Flash Recovery Area?()

A. control file
B. RMAN files
C. password file
D. parameter file
E. flashback logs
F. data file copies
G. core dump files
H. archived log files
I. RMAN recovery scripts
J. control file autobackpus

2.多项选择题Which three methods can you use to run an Automatic Database Diagnostic Monitor (ADDM) analysis over a specific time period?()

A. Enterprise Manager GUI
B. DBMS_TRACE package APIs
C. DBMS_ADVISOR package APIs
D. DBMS_MONITOR package APIs
E. $ORACLE_HOME/rdbms/admin/addmrpt.sql script

3.单项选择题You enabled the flashback logging feature, but you have not specified the location of the flash recovery area. Which location would be used as the default location for the flash recovery area?()

A. The location used for control files.
B. The location used for redo log files.
C. The location set by using $ORACLE_BASE
D. The location set by using $ORACLE_HOME
E. The location set by using CORE_DUMP_DEST
F. The location set by using BACKGROUND_DUMP_DEST

4.单项选择题Consider the following command to create a tablespace in your production database (which is using an Automatic Storage Management [ASM] instance to manage the database files): CREATE TABLESPACE user_tbsp DATAFILE ’+dgroup3 (usder_temp) /user_files/user_tbsp’ SIZE 200M; What would be the result of this command?()

A. It would result in an error because the template cannot be used along with the disk group.
B. It would result in an error because the path cannot be specified while creating a tablespace in a disk group.
C. It would create a tablespace with a data file that has an alias, and its attributes are set by the user-defined template.
D. It would create a tablespace with a data file that does not have an alias, and its attributes are set by the user-defined template.

5.单项选择题A media failure has occurred. This has resulted in all the members of the next hop log group being rendered inaccessible to the log writer process (LGWR) at a log switch. How does this failure affect the operational database?()

A. The database re-created the missing redo log files automatically.
B. The database continues to function normally with the existing files.
C. The database allows only queries, no other statements are allowed.
D. The database returns and error and the database instance shuts down.
E. The user sessions that generate redo logs are terminated automatically.

7.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.

8.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.

9.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.

10.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.

最新试题

You enabled the flashback logging feature, but you have not specified the location of the flash recovery area. Which location would be used as the default location for the flash recovery area?()

题型:单项选择题

You have only two redo log groups and these groups get overwritten several times in a day. Your database operates in NOARCHIVELOG mode and user­managed consistent backups are performed every Sunday night. On Thursday morning, you find that an important table has been dropped and purged. With reference to this scenario, up to what point in time can the data be recovered?()

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In your database, all the tablespaces are locally managed. You started Recovery Manager (RMAN) using recovery catalog and restored the control file by using the following command: RMAN> RESTORE CONTROLFILE; Which two operations do you need to perform after restoring the control file from backup?()

题型:多项选择题

You disabled the Flashback Database feature by using the following command: SQL> ALTER DATABASE FLASHBACK OFF; What would be the effect of this command on the existing flashback logs?()

题型:单项选择题

The loss of the control file forced you to re­create the control file. After re­creating it and opening the database, you find that some of the data files are named as MISSINGnnnnn, where nnnnn is a five­digit number starting with 0. What could be the possible reason?()

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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?() 

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You have a read­only tablespace on read­only media. You want to perform a media recovery on the existing data files, but using a backup control file. The backup control file indicates that the status of the read­only tablespace was read/write when the control file was backed up. What should you consider?()

题型:单项选择题

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

题型:单项选择题

You are connected to Recovery Manager (RMAN) without a recovery catalog. There is no copy of the control file available. You want to restore the control file from an autobackup. To retrieve the autobackup,you need the database ID (DBID). In which two sources would you find the DBID? ()

题型:多项选择题