单选题When performing a full database disaster recovery with RMAN, in what order would you execute these steps?()   a. Restore the control file from autobackups.  b. Run the RMAN restore and recover command.  c.Restore the database spfile from autobackups.  d. Make the RMAN backup set pieces available.  e. Open the database with the alter database open resetlogs command.  f.Open the database with the alter database open command.A a, b, c, d, e, fB c, d, a, b, fC d, c, a, b, fD d, b, d, c, eE d, c, a, b, e

单选题
When performing a full database disaster recovery with RMAN, in what order would you execute these steps?()   a. Restore the control file from autobackups.  b. Run the RMAN restore and recover command.  c.Restore the database spfile from autobackups.  d. Make the RMAN backup set pieces available.  e. Open the database with the alter database open resetlogs command.  f.Open the database with the alter database open command.
A

 a, b, c, d, e, f

B

 c, d, a, b, f

C

 d, c, a, b, f

D

  d, b, d, c, e

E

  d, c, a, b, e


参考解析

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Your multitenant container database (CDB) contains three pluggable database (PDBs). You find that the control file is damaged. You plan to use RMAN to recover the control file. There are no startup triggers associated with the PDBs.Which three steps should you perform to recover the control file and make the database fully operational?()A. Mount the container database (CDB) and restore the control file from the control file auto backup.B. Recover and open the CDB in NORMAL mode.C. Mount the CDB and then recover and open the database, with the RESETLOGS option.D. Open all the pluggable databases.E. Recover each pluggable database.F. Start the database instance in the nomount stage and restore the control file from control file auto backup.

Your multitenant container database (CDB) contains three pluggable database (PDBs). You find that the control file is damaged. You plan to use RMAN to recover the control file. There are no startup triggers associated with the PDBs. Which three steps should you perform to recover the control file and make the database fully operational?()A、Mount the container database (CDB) and restore the control file from the control file auto backup.B、Recover and open the CDB in NORMAL mode.C、Mount the CDB and then recover and open the database, with the RESETLOGS option.D、Open all the pluggable databases.E、Recover each pluggable database.F、Start the database instance in the nomount stage and restore the control file from control file auto backup.

Redo log files are multiplexed in your database. The disk in which you have one of the redo log members is highly fragmented. In the process of defragmentation you lose the redo log member, which is not a member of the current group. How would you recover from the loss of the redo log member?()A、SMON would automatically restore the lost file.B、You would need to restore the whole database from the last backup.C、You would need to restore the file from the last full database backup.D、You would need to use flashback technology to restore the lost redo log member.E、You would need to use Recovery Manager (RMAN) to restore the lost redo log member.F、You would need to restore the missing log file by copying one of the remaining files from the same group.

You have discovered that one of three control files has been lost. What steps would you follow to recover that control file?()   a. Shut down the database.  b. Restore a control-file copy from backup media.  c. Use the create control file command to create a new control file.  d. Copy the backup control file into place.  e. Create a new copy of the control file from one of the surviving control files.  f. Recover the database using the recover database using backup control file command.  g. Start up the database. A、a, b, f, gB、c, f, gC、a, d, f, gD、a, f, gE、a, e, g

When performing recover of a database in NOARCHIVELOG mode with RMAN, the target database must be in the () state to restore the control file.A、OPENB、IDLEC、MOUNTD、NOMOUNT

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? ()A、 the alert log fileB、 the server parameter fileC、 the formatted name of a control file autobackupD、 an RMAN session log fileE、 the trace file

David managed to accidentally delete the datafiles for database called DSL. He called Heber and Heber tried to help but he managed to delete the control files of the database. Heber called Bill and Bill saved the day. They are using a recovery catalog for this database.  What steps did Bill perform to recover the database and in what order?()   a. Restored the control file with the RMAN restore controlfile command.  b. Mounted the DSL instance with the alter database mount command.  c. Restored the datafiles for the DSL database with the RMAN restore command. d. Opened the DSL database with the alter database open resetlogs command. e. Recovered the datafiles for the DSL database with the RMAN recover command. f. Started the DSL instance.  g. Connected to the recovery catalog with RMAN. A、 a, b, c, d, e, f, gB、 b, c, d, g, f, e, aC、 g, f, a, b, c, e, dD、 c, a, d, b, f, e, gE、 g, f, a, b, e, c, d

You are maintaining the database in Oracle10g. You are performing an incomplete recovery by using RMAN because an important table, EMPLOYEE, is dropped and purged from the Recycle Bin. Which statement is NOT true regarding an incomplete recovery?()A、 The target database must be in the MOUNT mode to ensure restoration of the datafiles.B、 You can restore the datafiles from the backup by using the RMAN utility only if the backups were taken using the RMAN utility.C、 The control file must be recreated.D、 The database must be opened with the RESETLOGS option.

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? ()A、the trace fileB、the alert log fileC、an RMAN session log fileD、the server parameter fileE、the formatted name of a control file autobackup

Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt:   RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON;   After executing this command, in which of the following cases will RMAN make an auto-backup of the control file? ()A、 when you change the name of a datafileB、 when you drop a table from the databaseC、 when you take an export of the databaseD、 when you back up the database using OS utilitiesE、 when you issue an ALTER SYSTEM SWITCH LOGFILE statementF、 when you issue a BACKUP command from inside the RMAN run block

When performing a full database disaster recovery with RMAN, in what order would you execute these steps?()   a. Restore the control file from autobackups.  b. Run the RMAN restore and recover command.  c.Restore the database spfile from autobackups.  d. Make the RMAN backup set pieces available.  e. Open the database with the alter database open resetlogs command.  f.Open the database with the alter database open command. A、 a, b, c, d, e, fB、 c, d, a, b, fC、 d, c, a, b, fD、 d, b, d, c, eE、 d, c, a, b, e

You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6:00 P.M. on Monday, you issue the following command:       RMANBACKUP DATABASE;  At 8:00 A.M. on Tuesday, you are unable to start the database because all the control files are missing. You decide to restore the control files from the backup by using the RMAN RESTORE CONTROLFILE FROM AUTOBACKUP; command. Which operation should you perform before using the RMAN RESTORE CONTROLFILE FROM AUTOBACKUP; command?()A、 Start the database in the MOUNT stage.B、 Back up the control file to trace.C、 Set the DBIDD、 Issue the RECOVER DATABASE command.

You have control-file autobackups enabled. When starting your database from SQL*Plus, you receive the following error message:   SQL startup ORA-01078: failure in processing system parameters LRM-00109:  could not open parameter file ,  C:///ORACLE/PRODUCT/11.1.0/DB_1/DATABASE/INITORCL.ORA Using RMAN,   how would you respond to this error?()  A、 Issue the startup nomount command and then issue the restore parameter file command from the RMAN prompt.B、 Issue the startup nomount command and then issue the restore spfile command from the RMAN prompt.C、 Issue the startup nomount command and then issue the restore spfile from autobackup command from the RMAN prompt.D、 Issue the startup nomount command and then issue the restore spfile from backup command from the RMAN prompt.E、 Issue the restore spfile from autobackup command from the RMAN prompt.

You lost the PRODSTD tablespace, which was read/write. The tablespace was read-only when the last backup was performed. How would you recover the tablespace?()A、 restore the tablespace from the backup; there is no need to apply the redo informationB、 restore the full database to recover the data up to the point when you performed the backupC、 restore the tablespace from the backup and then perform a recovery using the backup control fileD、 restore the tablespace from the backup and then recover the tablespace; all the redo information from the point when the tablespace was made read/write is applied

Given a complete loss of your database, in what order would you need to perform the following RMAN operations to restore it?()   a. restore controlfile  b. restore database  c. restore spfile  d. recover database  e. alter database open  f. alter database open resetlogsA、 b, a, c, d, eB、 a, c, b, d, fC、 c, a, b, d, eD、 c, a, b, d, fE、 e, a, b, d, c

单选题You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6:00 P.M. on Monday, you issue the following command:       RMANBACKUP DATABASE;  At 8:00 A.M. on Tuesday, you are unable to start the database because all the control files are missing. You decide to restore the control files from the backup by using the RMAN RESTORE CONTROLFILE FROM AUTOBACKUP; command. Which operation should you perform before using the RMAN RESTORE CONTROLFILE FROM AUTOBACKUP; command?()A Start the database in the MOUNT stage.B Back up the control file to trace.C Set the DBIDD Issue the RECOVER DATABASE command.

单选题Redo log files are multiplexed in your database. The disk in which you have one of the redo log members is highly fragmented. In the process of defragmentation you lose the redo log member, which is not a member of the current group. How would you recover from the loss of the redo log member?()ASMON would automatically restore the lost file.BYou would need to restore the whole database from the last backup.CYou would need to restore the file from the last full database backup.DYou would need to use flashback technology to restore the lost redo log member.EYou would need to use Recovery Manager (RMAN) to restore the lost redo log member.FYou would need to restore the missing log file by copying one of the remaining files from the same group.

单选题When performing recover of a database in NOARCHIVELOG mode with RMAN, the target database must be in the () state to restore the control file.AOPENBIDLECMOUNTDNOMOUNT

多选题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? ()Athe trace fileBthe alert log fileCan RMAN session log fileDthe server parameter fileEthe formatted name of a control file autobackup

多选题Your multitenant container database (CDB) contains three pluggable database (PDBs). You find that the control file is damaged. You plan to use RMAN to recover the control file. There are no startup triggers associated with the PDBs. Which three steps should you perform to recover the control file and make the database fully operational?()AMount the container database (CDB) and restore the control file from the control file auto backup.BRecover and open the CDB in NORMAL mode.CMount the CDB and then recover and open the database, with the RESETLOGS option.DOpen all the pluggable databases.ERecover each pluggable database.FStart the database instance in the nomount stage and restore the control file from control file auto backup.

单选题David managed to accidentally delete the datafiles for database called DSL. He called Heber and Heber tried to help but he managed to delete the control files of the database. Heber called Bill and Bill saved the day. They are using a recovery catalog for this database.  What steps did Bill perform to recover the database and in what order?()   a. Restored the control file with the RMAN restore controlfile command.  b. Mounted the DSL instance with the alter database mount command.  c. Restored the datafiles for the DSL database with the RMAN restore command. d. Opened the DSL database with the alter database open resetlogs command. e. Recovered the datafiles for the DSL database with the RMAN recover command. f. Started the DSL instance.  g. Connected to the recovery catalog with RMAN.A a, b, c, d, e, f, gB b, c, d, g, f, e, aC g, f, a, b, c, e, dD c, a, d, b, f, e, gE g, f, a, b, e, c, d

单选题You are maintaining the database in Oracle10g. You are performing an incomplete recovery by using RMAN because an important table, EMPLOYEE, is dropped and purged from the Recycle Bin. Which statement is NOT true regarding an incomplete recovery?()A The target database must be in the MOUNT mode to ensure restoration of the datafiles.B You can restore the datafiles from the backup by using the RMAN utility only if the backups were taken using the RMAN utility.C The control file must be recreated.D The database must be opened with the RESETLOGS option.

单选题You have control-file autobackups enabled. When starting your database from SQL*Plus, you receive the following error message:   SQL startup ORA-01078: failure in processing system parameters LRM-00109:  could not open parameter file ,  C:///ORACLE/PRODUCT/11.1.0/DB_1/DATABASE/INITORCL.ORA Using RMAN,   how would you respond to this error?()A Issue the startup nomount command and then issue the restore parameter file command from the RMAN prompt.B Issue the startup nomount command and then issue the restore spfile command from the RMAN prompt.C Issue the startup nomount command and then issue the restore spfile from autobackup command from the RMAN prompt.D Issue the startup nomount command and then issue the restore spfile from backup command from the RMAN prompt.E Issue the restore spfile from autobackup command from the RMAN prompt.

多选题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? ()Athe alert log fileBthe server parameter fileCthe formatted name of a control file autobackupDan RMAN session log fileEthe trace file

单选题You have discovered that one of three control files has been lost. What steps would you follow to recover that control file?()   a. Shut down the database.  b. Restore a control-file copy from backup media.  c. Use the create control file command to create a new control file.  d. Copy the backup control file into place.  e. Create a new copy of the control file from one of the surviving control files.  f. Recover the database using the recover database using backup control file command.  g. Start up the database.Aa, b, f, gBc, f, gCa, d, f, gDa, f, gEa, e, g

单选题You lost the PRODSTD tablespace, which was read/write. The tablespace was read-only when the last backup was performed. How would you recover the tablespace?()A restore the tablespace from the backup; there is no need to apply the redo informationB restore the full database to recover the data up to the point when you performed the backupC restore the tablespace from the backup and then perform a recovery using the backup control fileD restore the tablespace from the backup and then recover the tablespace; all the redo information from the point when the tablespace was made read/write is applied

单选题Given a complete loss of your database, in what order would you need to perform the following RMAN operations to restore it?()   a. restore controlfile  b. restore database  c. restore spfile  d. recover database  e. alter database open  f. alter database open resetlogsA b, a, c, d, eB a, c, b, d, fC c, a, b, d, eD c, a, b, d, fE e, a, b, d, c