| 1. | When attempting to connect to an instance that is down, which Oracle Net feature or component facilitates automatic connect-time fail-over to another instance for the user? |
| a. | | Oracle Names Server |
| b. | | Heterogeneous Services |
| c. | | Oracle Connection Manager |
| d. | | Dynamic Service Registration
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| 2. | What is the new Oracle Shared Server? |
| a. | | An improved version of multithreaded server configuration |
| b. | | A connection pooling configuration where several clients are connected to the same server process |
| c. | | Two more database servers, which share data by means of database links; the client software is unaware to which server it is connected |
| d. | | A configuration of Real Application Cluster where the client connection is routed to the least busy instance
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| 3. | Which operations are performed during both crash and instance recovery? |
| a. | | The roll back of the most recent redo log checkpoint |
| b. | | The roll forward of the current online redo log files |
| c. | | The roll back of the uncommitted transactions from the data files |
| d. | | The roll forward of the online data files by applying online redo records |
| e. | | The roll forward of the uncommitted transactions to the online data files
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| 4. | How can automatic archiving at instance startup be enabled for a ARCHIVELOG database? |
| a. | | With the database open, issue the 'ARCHIVE LOG START ALL' SQL*Plus command |
| b. | | With the database shut down, set the LOG_ARCHIVE_START initialization parameter to 'TRUE' |
| c. | | With the database mounted, issue the 'ALTER DATABASE ARCHIVELOG' SQL statement |
| d. | | With the database open, issue the 'ALTER SYSTEM ARCHIVE LOG START TO <file_name>' SQL statement
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| 5. | When performing media recovery, an archived log is lost or corrupt. Which type of recover must be performed? |
| a. | | Until SCN |
| b. | | Until time |
| c. | | Until cancel |
| d. | | Recover using backup control file
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| 6. | During a recovery operation, data files are restored from backup and DBWn writes committed and uncommitted data to the data files during the roll forward. What happens immediately after a roll forward? |
| a. | | A rollback |
| b. | | A commit |
| c. | | A checkpoint |
| d. | | Cache recovery
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| 7. | Which files must be synchronized, for a database to open without recovery? |
| a. | | Archived Redo Log |
| b. | | Online redo log |
| c. | | Password |
| d. | | Data |
| e. | | Control
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| 8. | While performing an online tablespace backup, a power failure occurred. The data files are in a consistent state. Which tasks must be performed to continue the tablespace backup? |
| a. | | Recover the data files that are in online backup mode |
| b. | | Unfreeze the header of the data files that are in backup mode |
| c. | | Make the data files read-only until recovery is complete |
| d. | | End the backup which will change the status of the data files that are in backup mode to NOT ACTIVE in the V$BACKUP view
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| 9. | Examine this SQL*Plus session:
SQL> INSERT INTO employee (employee_id, last_name, dept_id, salary) 2 VALUES (1893, 'SMITH', 90, 60000); VALUES (1893, 'SMITH', 90, 60000)
ERROR at line 1: ORA-02291: integrity constraint (T.FK_DEPT_ID) violated - parent key not found
Which category of failure was encountered? |
| a. | | Instance |
| b. | | Statement |
| c. | | User Error |
| d. | | User Process
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| 10. | Which attributes of the LOG_ARCHIVE_DEST_n initialization parameter control the data availability mode of a Data Guard standby database? |
| a. | | SYNC or ASYNC to identify the network transmission mode |
| b. | | LGWR or ARCH to identify the primary database process responsible for sending redo information to the standby |
| c. | | AFFIRM or NOAFFIRM to control whether log archiving disk write operations are to be performed synchronously or asynchronously |
| d. | | PROTECTED or UNPROTECTED to control the degree of divergence and data loss at the standby database
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| 11. | The following statement was issued:
ALTER TABLESPACE users_data READ ONLY;
Which statement is NOT true? |
| a. | | A checkpoint occurs for each data file associated with the USERS_DATA tablespace |
| b. | | The data files for the USERS_DATA tablespace will need to be recovered if they become corrupt or a media failure occurs |
| c. | | The control file is updated to identify the data files for the USERS_DATA tablespace as read-only during recovery |
| d. | | The checkpoint numbers in the data files for the USERS_DATA tablespace are frozen and do NOT need to be synchronized with the checkpoint number in the control file
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| 12. | A failure has occurred leaving the control file and several tablespaces unavailable. To correct the problem, the database was restored from an earlier full database backup. All transactions that occurred after this backup have been lost. In which mode is the database configured? |
| a. | | FAILOVER |
| b. | | FLASHBACK |
| c. | | NOARCHIVELOG |
| d. | | ARCHIVELOG
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