Oracle 1z0-043 oracle database 10g:administration ii 10 Q&A
Version 3.0
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www.prep2pass.com Q: 1 Your database is open and running in ARCHIVELOG mode. You take RMAN full backups every Sunday night. On Monday morning, while querying the user1.employees table, you receive the following error message: 01578: ORACLE data block corrupted (file # 5, block # 51) ORA-01110: data file 5: '/u01/app/oracle/oradata/orcl/example01.dbf' You need to rectify the corruption while ensuring the following: The data file should remain online. The mean time to recover (MTTR) should be minimal. You are not using a backup control file, and all the archived logs are accessible. Which option would you choose?
A. flash back the corrupted blocks B. use the DBMS_REPAIR package C. use the RMAN TSPITR command D. use the RMAN BLOCKRECOVER command E. use the RESTORE DATABASE and RECOVER DATABASE commands F. investigate the time at which the corruption occurred and perform a point-in-time recovery
Answer: D www.prep2pass.com Q: 2 You lost the index tablespace in your database. You are not able to use tablespace point-in-time recovery on the index tablespace. What could be the reason for this?
A. B. C. D. E.
The index tablespace contains bitmap indexes. The index tablespace contains more than one data file. The index tablespace supports only complete recovery. The index tablespace is not a dictionary-managed tablespace. There is a dependency relationship between a table and its indexes.
Answer: E
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www.prep2pass.com Q: 3 In one of your online transaction processing (OLTP) applications, users are manipulating and querying a database table simultaneously. From the Segment Advisor, you find that one of the tables is highly fragmented and you want to shrink the table immediately without affecting the currently active queries. Which option would you use with the ALTER TABLE command to achieve this objective?
A. B. C. D. E. F.
REBUILD CASCADE TRUNCATE ROW MOVEMENT SHRINK SPACE COMPACT SHRINK SPACE CASCADE
Answer: E www.prep2pass.com Q: 4 You receive an error while performing an RMAN backup of the whole database. The alert log file has the following entry in it: ORA-19815: WARNING: db_recovery_file_dest_size of 2147483648 bytes is 100.00% used, and has 0 remaining bytes available. You deleted unnecessary files from the Flash Recovery Area by using an operating system command. Which statement is true regarding the space freed by the delete operation?
A. B. C. D.
RMAN uses the space for the database backup. Oracle is not aware of the free space created this way. RMAN uses the space only after the database is restarted. The space can be used for storing archive logs, but not RMAN backups.
Answer: B www.prep2pass.com Q: 5 In Recovery Manager (RMAN), you have set control file autobackup to ON by using the following command: CONFIGURE CONTROLFILE AUTOBACKUP ON; Which two events would cause the control file to be backed up automatically? (Choose two.)
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A. B. C. D. E.
a tablespace is taken offline the database instance is restarted a new data file is added to an existing tablespace a successful backup is recorded in the RMAN repository the RMAN connection is disconnected from the target database
Answer: C, D www.prep2pass.com Q: 6 You are performing a block media recovery on the tools01.dbf data file in the SALES database by using RMAN. Which two statements are correct in this scenario? (Choose two.)
A. You must ensure that the SALES database is mounted or open. B. You must restore a backup control file to perform a block media recovery. C. You must take the tools01.dbf data file offline before you start a block media recovery. D. You must put the database in NOARCHIVELOG mode to perform a block media recovery. E. You can perform only a complete media recovery of individual blocks; point-in-time recovery of individual data blocks is not supported.
Answer: A, E www.prep2pass.com Q: 7 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(user_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.
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Answer: C www.prep2pass.com Q: 8 In which case would you use the Flashback Database feature to perform a recovery?
A. B. C. D.
to recover a dropped tablespace to recover data from a truncated table to recover a data file that has been shrunk to recover a database to the state that existed before the RESETLOGS operation
Answer: B www.prep2pass.com Q: 9 One of the tablespaces is read-only in your database. The loss of all control files forced you to re-create the control file. Which operation do you need to perform after re-creating the control file and opening the database?
A. B. C. D.
drop and re-create the read-only tablespaces rename the read-only data files to their correct file names change the tablespace status from read/write to read-only re-create the read-only tablespace because it is automatically removed
Answer: B www.prep2pass.com Q: 10 The loss of the control file forced you to re-create the control file. After re-creating it and opening the database, you find that some of the data files are named as MISSINGnnnnn, where nnnnn is a five-digit number starting with 0. What could be the possible reason?
A. B. C. D.
These are the data files that are corrupted. There is no SYSAUX tablespace in your database There is a read-only tablespace in your database. These are the data files that cannot be recovered.
Answer: C
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