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NEW QUESTION 1
Examine the list of possible steps to transport a tablespace across platforms that have the same compatibility level, character sets, and endian format:
1. Make the tablespace read-only at the source database.
2. Export metadata from the source database.
3. Import metadata into the target database.
4. Transfer the dump file and data files to the target machine.
5. Convert data files by using Recovery Manager (RMAN).
6. Make the tablespace read-write at the target database. Identify the required steps in the correct order.
Answer: D
Explanation: Step 1 (1): To copy tablespaces from one database to another using transportable tablespace, the source tablespaces are first kept in READ-ONLY mode (to ensure data consistency). Once the tablespaces are in READ-ONLY mode, the actual datafiles belonging to the source tablespaces are copied from source database to target database (using any available methods like scp, sftp, rcp, etc).
Step 2 (2): Once the tablespace is kept in READ-ONLY mode, we need to generate the metadata export of the tablespaces that needs to transported using the DataPump export utility.
Step 3 (4): Once the metadata export is generated on the source database for all the tablespaces that needs to be transported, we need to copy the Export Dump file as well as all the datafiles belonging to the tablespaces to be transported to the target database server.
References:
http://www.oraclebuffer.com/oracle/migrate-oracle-database-using-transportable-tablespace/
NEW QUESTION 2
You use RMAN to take regular backups for your database. Examine the RMAN commands:
RMAN> CROSSCHECK BACKUP; RMAN> DELETE EXPITED BACKUP;
Which statement is true?
Answer: B
NEW QUESTION 3
Which two statements are true about making RMAN image copies of a database? (Choose two.)
Answer: AD
Explanation: An image copy can be written only to disk.
An image copy is the same as datafiles. The disadvantage of image copy backup mode is that it occupies much space and does not skip unused data blocks.
References:
http://www.dba-oracle.com/t_rman_10_image_copies.htm
NEW QUESTION 4
Automatic Undo Management is enabled for your database. You want a user to retrieve metadata and historical data for a given transaction or for transactions in a given time interval.
Which three are prerequisites to fulfill this requirement? (Choose three.)
Answer: ABE
NEW QUESTION 5
Your database is running in ARCHIVELOG mode and a nightly backup of the database, along with an autobackup of the control file, is taken by using RMAN. Because of a media failure, the SPFILE and the control files are lost.
Examine the steps to restore the SPFILE and the control file to mount the database:
1. Set DBID of the target database in RMAN.
2. Start the database instance by using the STARTUP FORCE NOMOUNT command in RMAN.
3. Restore the control files from the backup.
4. Mount the database.
5. Restore the SPFILE from the autobackup.
6. Create a PFILE from the recovered SPFILE.
7. Restart the instance in NOMOUNT state. Identify the required steps in the correct order.
Answer: C
NEW QUESTION 6
Which three statements are true about Consolidated Database Replay? (Choose three.)
Answer: BCE
NEW QUESTION 7
Which three statements are true about the startup and shutdown of multitenant container databases (CDBs) and pluggable databases (PDBs)? (Choose three.)
Answer: BCE
NEW QUESTION 8
Which two statements are true regarding Oracle Data Pump? (Choose two.)
Answer: AB
NEW QUESTION 9
Your database is running in NOARCHIVELOG mode. One of the data files belonging to the SYSTEM tablespace is corrupted. You notice that all online redo logs have been overwritten since the last backup.
Which method would you use to recover the data file?
Answer: C
NEW QUESTION 10
Which Oracle Database component is audited by default if the Unified Auditing option is enabled?
Answer: B
NEW QUESTION 11
Which two statements are true about recovering logically corrupted tables or table partitions from an RMAN backup? (Choose two.)
Answer: AD
NEW QUESTION 12
You execute the commands on a multitenant container database CDB1 that has multiple pluggable databases:
Which statement is true about the execution of the last command?
Answer: C
NEW QUESTION 13
Which three statements correctly describe the relationship amongst jobs, programs, and schedules within the Oracle Job Scheduler? (Choose three.)
Answer: BDE
NEW QUESTION 14
You regularly take backups of your database using RMAN with a recovery catalog. Your database is currently open and the temp01.dbf temp file belonging to the TEMP tablespace is corrupted.
Identify two methods to recover the temp file with the least disruption to database availability. (Choose two.)
Answer: BC
Explanation: Temp files are a special class of data files that are associated only with temporary tablespaces.
B: After restore and recovery of a whole database, when the database is open, missing temporary tablespaces that were recorded in the control file are re-created with their previous creation size, AUTOEXTEND, and MAXSIZE attributes. Only temporary tablespaces that are missing are re-created. If a temp file exists at the location recorded in the RMAN repository but has an invalid header, then RMAN does not re-create the temp file.
If the temp files were created as Oracle-managed files, then they are re-created in the current DB_CREATE_FILE_DEST location. Otherwise, they are re-created at their previous locations.
C: If a data file becomes missing or corrupted. You must take it offline before you can open the database.
References: https://docs.oracle.com/database/121/ADMIN/dfiles.htm https://docs.oracle.com/database/121/BRADV/rcmcomre.htm
NEW QUESTION 15
You want to migrate your Oracle 11g database as a pluggable database (PDB) in a multitenant container database (CDB).
The following are the possible steps to accomplish this task:
1. Place all the user-defined tablespace in read-only mode on the source database.
2. Upgrade the source database to a 12c version.
3. Create a new PDB in the target container database.
4. Perform a full transportable export on the source database with the VERSION parameter set to 12 using the expdp utility.
5. Copy the associated data files and export the dump file to the desired location in the target database.
6. Invoke the Data Pump import utility on the new PDB database as a user with the DATAPUMP_IMP_FULL_DATABASE role and specify the full transportable import options.
7. Synchronize the PDB on the target container database by using the DBMS_PDS.SYNC_ODB function. Identify the correct order of the required steps.
Answer: C
Explanation: This example example is a dumpfile-based full transportable export/import operation. In this case the metadata from the source database is exported to a dump file, and both the dump file and the tablespace data files are transferred to a new system. The steps would be as follows:
* (1) Set user tablespaces in the source database to READ ONLY.
* (3) Create a CDB on the destination system, including a PDB into which you will import the source database.
* (4) From the Oracle Database 11g Release 2 (11.2.0.3) environment, export the metadata and any data residing in administrative tablespaces from the source database using the FULL=Y and TRANSPORTABLE=ALWAYS parameters. Note that the VERSION=12 parameter is required only when exporting from an Oracle Database 11g Release 2 database.
* (5) Copy the tablespace data files from the source system to the destination system.
* (6) In the Oracle Database 12c environment, connect to the pre-created PDB and import the dump file.
References:
http://www.oracle.com/technetwork/database/upgrade/upgrading-oracle-database-wp-12c-1896123.pdf, page 11
NEW QUESTION 16
What can be automatically implemented after the SQL Tuning Advisor is run as part of the Automated Maintenance Task?
Answer: B
NEW QUESTION 17
A user issues a query on the sales table and receives the following error: ERROR at line 1:
ORA-01565: error in identifying file '/u0l/app/oracle/oradata/ORCL/temp01.dbf' ORA-27037: unable to obtain file status
Which two actions would you take to recover the temporary tablespace? (Choose two.)
Answer: BE
NEW QUESTION 18
For which three pieces of information can you use the RMAN LIST command? (Choose three.)
Answer: ABD
NEW QUESTION 19
You use RMAN with a recovery catalog to back up your database. The backups and the archived redo log files are backed up to media daily. Because of a media failure, the entire database along with the recovery catalog database is lost.
Examine the steps required to recover the database:
1. Restore an autobackup of the server parameter file.
2. Restore the control file.
3. Start up the database instance in NOMOUNT state.
4. Mount the database.
5. Restore the data files.
6. Open the database with the RESETLOGS option.
7. Recover the data files.
8. Set DBID for the database.
Identify the required steps in the correct order.
Answer: B
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