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Understanding functional and technical aspects of Oracle Database Administration II Exam Number: 1Z0-083
The following will be discussed in the ORACLE 1Z0-083 dumps:
- Diagnosing Failures - Oracle Database: Backup and Recovery Workshop
- Duplicating a Database - Oracle Database: Backup and Recovery Workshop
- Configure your Database to support Flashback
- Diagnosing Database Issues
- Configure RMAN and the Database for Recoverability
- Detect and repair database and database block corruption
- Perform flashback operations
- Using Flashback Technologies - Oracle Database: Backup and Recovery Workshop
- Configuring and using RMAN - Oracle Database: Backup and Recovery Workshop
- Configure and using an RMAN recovery catalog
- Employ the best Oracle Database recovery technology for your failure situation
- Duplicate Databases
- Describe and use Recovery technology for Crash, Complete, and Point-in-time recovry
- Restore and Recovery Concepts - Oracle Database: Backup and Recovery Workshop
NEW QUESTION 88
Which three are true about Recovery Manager (RMAN) in Oracle Database 19c and later releases? (Choose three.)
- A. A Virtual Private Catalog used to register a container database can be created in a non-container database.
- B. A Virtual Private Catalog used to register a container database can be created in a pluggable database.
- C. It is always possible for RMAN to connect to a pluggable database as a target if any RMAN Catalog is used.
- D. A Virtual Private Catalog used to register a container database must be created in a pluggable database.
- E. It is always possible for RMAN to connect to a pluggable database as a target.
- F. It is only possible for RMAN to connect to a pluggable database as a target if an RMAN Virtual Private Catalog is used.
Answer: A,B,E
NEW QUESTION 89
Which two are true about duplicating pluggable databases (PDBs) with RMAN? (Choose two.)
- A. The auxiliary instance is automatically created with ENABLE_PLUGGABLE_DATABASE = TRUE.
- B. A user with SYSDBA or SYSBACKUP must be logged in with RMAN to the PDB to duplicate it.
- C. CDB$ROOT and PDB$SEED are automatically duplicated.
- D. Two or more PDBs can be duplicated with the same RMAN DUPLICATE command.
- E. All tablespaces belonging to a PDB must be duplicated when duplicating the PDB.
Answer: C,D
NEW QUESTION 90
A database is configured in ARCHIVELOG mode.
A full RMAN backup exists but no control file backup to trace has been taken. A media failure has occurred.
In which two scenarios is incomplete recovery required? (Choose two.)
- A. after losing all copies of the control file
- B. after losing all members of an INACTIVE online redo log group
- C. after losing all members of the CURRENT online redo log group
- D. after losing an UNDO tablespace that is in use
- E. after losing a SYSAUX tablespace data file
Answer: A,B
NEW QUESTION 91
Which three are true about managing memory components in an Oracle database instance?
- A. Automatically tuned and resized System Global Area components will always revert to their initial sizes after an instance restart.
- B. On Line Transaction Processing systems often use less Program Global Area than Decision Support Systems.
- C. With Automatic Shared Memory Management, the database instance can increase the Program Global Area size by reducing the System Global Area size.
- D. With Automatic Memory Management, the database instance can increase the System Global Area size by reducing the Program Global Area size.
- E. Automatic Memory Management must be used together with locking the System Global Area into physical memory.
- F. With Automatic Shared Memory Management, the database instance can increase the Large Pool size by reducing the Shared Pool size.
Answer: A,C,F
NEW QUESTION 92
Which three are true about actions that can or cannot be performed by users with the SYSBACKUP privilege?
(Choose three.)
- A. They cannot drop tablespaces.
- B. They can view data from any data dictionary view or dynamic performance view.
- C. They can view data from any user-defined tables.
- D. They can drop any tablespace.
- E. They can create any table.
- F. They cannot create restore points.
Answer: A,E
NEW QUESTION 93
Which two are true about a Recovery Manager (RMAN) duplication without a target connection?
- A. RMAN "pushes" the backups of the database to be duplicated over the network to the auxiliary instance.
- B. RMAN SBT-based backups of the database to be duplicated can be used by the auxiliary instance.
- C. RMAN disk-based backups of the database to be duplicated can be used by the auxiliary instance.
- D. The undo tablespace clause is always required when no connection exists to the target instance.
- E. The undo tablespace clause is always required when no connection exists to the recovery catalog and the target database is closed.
Answer: C,E
NEW QUESTION 94
Which two are true about duplicating pluggable databases (PDBs) with RMAN?
- A. cdb$root and pdbSseed are automatically duplicated.
- B. All tablespaces belonging to a PDB must be duplicated when duplicating the PDB.
- C. The auxiliary Instance is automatically created with enable_pluggable_database = true.
- D. Two or more PDBs can be duplicated with the same rmak duplicate command.
- E. A user with sysdba or sysbkup must be logged in with RMAN to the PDB to duplicate it.
Answer: B,D
NEW QUESTION 95
A schema owner truncated a table in error and must recover the data.
Which Oracle Flashback feature could be used to recover the data?
- A. FLASHBACK VERSION QUERY
- B. FLASHBACK TRANSACTION
- C. FLASHBACK DATA ARCHIVE
- D. FLASHBACK DATABASE
- E. FLASHBACK TABLE
Answer: A
NEW QUESTION 96
Which three actions are performed by the Oracle Preinstallation RPM, oracle-database-server-xxxx- preinstall, for Oracle Grid Infrastructure, where xxxx is the Oracle version and release? (Choose three.)
- A. creating the grid OS user
- B. creating the OSDBA (dba) group
- C. performing checks to ensure minimum configuration requirements for Oracle Grid Infrastructure are met
- D. creating thte oraInventory (oinstall) group
- E. configuring the OS for Oracle Automatic Storage Management shared storage access
- F. creating the oracleOS user
Answer: B,D,E
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E11882_01/install.112/e41961/prelinux.htm#CWLIN2932
NEW QUESTION 97
Which two are true about Oracle Flashback features? (Choose two.)
- A. After a database is restored from flashback logs using the FLASHBACK DATABASE command, it is sometimes rolled forward using redo logs.
- B. FLASHBACK QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.
- C. FLASHBACK VERSION QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.
- D. FLASHBACK DROP can undrop an index when undropping a table.
- E. FLASHBACK TABLE can undrop a column.
Answer: A,D
NEW QUESTION 98
Which three are true about Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM), and the Manageability Monitor (MMON) background process?
- A. AWR snapshots must be deleted when no longer required by ADDM.
- B. ADDM can recommend extending the buffer cache.
- C. By default, AWR snapshots are automatically purged after eight days.
- D. By default, MMON creates an AWR snapshot every 30 minutes.
- E. ADDM can recommend shrinking the buffer cache.
- F. ADDM performs its analysis only when a DBA requests it.
Answer: C,E,F
NEW QUESTION 99
Examine this configuration:
To recover from this critical failure, you execute these commands:
What will be the outcome?
- A. Option
- B. Option
- C. Option
- D. Option
- E. Option
Answer: D
NEW QUESTION 100
Which two are true about automatic block repair?
- A. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on its primary database.
- B. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on that physical standby database.
- C. Automatic block repair can repair blocks with no standby database if db_block_checking = TRUE.
- D. It is not possible for media corrupt blocks.
- E. Real-Time Query must be enabled on a primary database for automatic block repair to be done on any of its physical standby databases.
Answer: D,E
NEW QUESTION 101
Which three are true about backup, restore, and recovery operations done without using Recovery Manager (RMAN)? (Choose three.)
- A. Oracle data file backups, copied using an O/S utility, can be added to the RMAN catalog as IMAGE COPIES.
- B. An Oracle database can be restored from backup files copied using O/S utilities.
- C. Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be started and the dataabse be in the MOUNT state.
- D. Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be shut down.
- E. Backing up a database in ARCHIVELOG mode using O/S utilities requires that the database instance be started and the database be in MOUNT state.
- F. Oracle archive log backups, copied using an O/S utility, can be added to the RMAN catalog as a backup set.
- G. Backing up a database in ARCHIVELOG mode using O/S utilities requires that the database instance be started and the database be in OPEN state.
Answer: A,D,E
NEW QUESTION 102
Which three methods can be used for heap table data migration after upgrading a database?
- A. using Oracle Data Pump
- B. using operating system file copy utilities
- C. using Database Replay
- D. using the create table AS select SQL statement
- E. using Database Upgrade Assistant
- F. using SQL Developer
Answer: C,E,F
NEW QUESTION 103
Examine this configuration:
1. CDB1is a container database.
2. PDB1and PDB2 are pluggable databases in CDB1.
You execute these commands successfully:
Which two are true? (Choose two.)
- A. PDB1and PDB2are in MOUNTstate.
- B. PDB1 and PDB2 are in READ ONLYstate.
- C. CDB$ROOTis in MOUNTstate.
- D. PDB$SEEDis in READ ONLYstate.
- E. Redo logs are opened.
Answer: D,E
NEW QUESTION 104
A container database called CDB1is OMF-enabled.
PDB_FILE_NAME_CONVERTis not configured in CDB1.
PDB1was unplugged from CDB1earlier in the week.
Examine this command, which will be executed in CDB1:
CREATE PLUGGABLE DATABASE pdb1
USING '/u01/app/oracle/oradata/pdb1.xml'
SOURCE_FILE_NAME_CONVERT
('/u01/app/oracle/oradata/', '/u02/app/oracle/oradata/');
Which two are true? (Choose two.)
- A. PDB1 must be dropped from CDB1.
- B. /u01/app/oracle/oradata/pdb1.xmldoes not contain the current locations of data files for PDB1.
- C. PDB1 data files already exist in the correct location.
- D. DBMS_PDB.CHECK_PLUG_COMPATIBILITYmust be run in CDB1before executing the command.
- E. PDB_FILE_NAME_CONVERTmust be set before executing the command.
Answer: B,E
Explanation:
Explanation/Reference: http://anjaniappsdba.blogspot.com/2016/09/oracle-database-12102c-hot-cloning-of.html
NEW QUESTION 105
Which three actions will add a resource to an Oracle Restart configuration? (Choose three.)
- A. creating an Oracle Automatic Storage Management (ASM) instance with ASM Configuration Assistant (ASMCA)
- B. creating a disk group using the CREATE DISKGROUP SQL statement
- C. creating an Oracle Database service by modifying the SERVICE_NAMES parameter
- D. creating a database service using DBMS_SERVICE.CREATE_SERVICE
- E. creating a database using the CREATE DATABASE SQL statement
- F. creating a database service using Oracle Database Configuration Assistant (DBCA)
Answer: D,E,F
NEW QUESTION 106
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