1z0-043
单选题You execute the following RMAN command in the order shown below： BACKUP VALIDATE DATABASE； BLOCKRECOVER CORRUPTION LIST； What will these commands do？（）ACreate a backup of the database and recover all corrupted blocks found in the backup.BRun a backup v
题目
Create a backup of the database and recover all corrupted blocks found in the backup.
Run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the database.
Run a backup validation to populate V$COPY_CORRUPTION view， and then list any corrupt blocks recorded in the view.
Run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view， and then repair any corrupt blocks recorded in the view.
Run a backup validation， repair any corrupt blocks found during the validation process， and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired.
参考答案和解析
相似问题和答案
第1题：
View the Exhibit to examine the error during the database startup.You open an RMAN session for the database instance. To repair the failure, you executed the following as the first command in the RMAN session:RMAN> REPAIR FAILURE;Which statement describes the consequence of the command?（）
A. The command performs the recovery and closes the failures.
B. The command only displays the advice and the RMAN script required for repair.
C. The command produces an error because the ADVISE FAILURE command has not been executed before the REPAIR FAILURE command.
D. The command executes the RMAN script to repair the failure and removes the entry from the Automatic Diagnostic Repository (ADR).
第2题：
You executed the following command in Recovery Manager （RMAN） to perform a backup of the DETTBS tablespace： RMAN> BACKUP TABLESPACE DETTBS; Under which conditions would this command execute successfully？ （）
- A、The database is in NOMOUNT state.
- B、The database is in ARCHIVELOG mode and the tablespace is online.
- C、The database is in ARCHIVELOG mode and the tablespace is offline.
- D、The database is in NOARCHIVELOG mode and the tablespace is online.
- E、The database is in NOARCHIVELOG mode and the tablespace is offline.
正确答案:B,C,E
第3题：
A. 4
B. 8
C. 7
D. 0
第4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
正确答案:E
第5题：
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 datafile
- B、 when you drop a table from the database
- C、 when you take an export of the database
- D、 when you back up the database using OS utilities
- E、 when you issue an ALTER SYSTEM SWITCH LOGFILE statement
- F、 when you issue a BACKUP command from inside the RMAN run block
正确答案:A,E,F
第6题：
Your multitenant container database (CDB) is running in ARCHIVELOG mode. You connect to the CDB RMAN.Examine the following command and its output:You execute the following command:RMAN > BACKUP DATABASE PLUS ARCHIVELOG;Which data files will be backed up?（）
A. Data files that belong to only the root container
B. Data files that belong to the root container and all the pluggable databases (PDBs)
C. Data files that belong to only the root container and PDB$SEED
D. Data files that belong to the root container and all the PDBs excluding PDB$SEED
第7题：
RMAN enables you to open the target database when it is already mounted. Which command must you execute at the RMAN prompt to open the database？（）
- A、’SQL ALTER DATABASE OPEN’；
- B、SQL ALTER DATABASE ’OPEN’；
- C、OPEN DATABASE；
- D、DATABASE OPEN
正确答案:C
第8题：
Multiple RMAN sessions are connected to the database instance.Examine the following output when backup commands are running in server sessions:What could have helped you to correlate server sessions with channels?（）
A. Implement RMAN multiplexing
B. Set the DEBUG ON in the RMAN script
C. Specify the command ID in the RMAN script
D. Use a tag with the RMAN BACKUP command
第9题：
You issued the following statement： SQL>ALTER DATABASE ENABLE RESUMABLE TIMEOUT n； What will be the result of issuing the above statement？（）
- A、The command will not execute successfully because TIMEOUT is an invalid clause with the ALTER DATABASE ENABLE RESUMABLE command.
- B、 The command will not execute successfully because resumable space allocation is enabled at the session level.
- C、 The command will execute successfully and resumable space will be allocated at the session level.
- D、 The command will execute successfully and resumable space will be allocated at the instance level.
正确答案:B
第10题：
You execute the following command to start an Automatic Storage Management （ASM） instance： SQL>STARTUP； In which of the following modes will the ASM instance start？（）
- A、 OPEN
- B、 MOUNT
- C、 NORMAL
- D、 NOMOUNT
正确答案:B