Useful Oracle 1Z0-083 Dumps - 1Z0-083 New Practice Questions

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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Weight	Objectives
Backup and Recovery	30%	- Flashback Technologies 1. Implement Flashback Database, Table, and Transaction 2. Recover from logical corruptions 3. Use Flashback in multitenant architecture - Advanced Recovery Scenarios 1. Perform point-in-time recovery 2. Recover from critical data file or control file loss - RMAN Configuration and Operations 1. Perform full, incremental, and archival backups 2. Configure RMAN settings and channels 3. Restore and recover databases, CDBs, and PDBs
High Availability and Security	15%	- Database Security 1. Implement auditing and access controls 2. Manage encryption and data protection - Data Guard Configuration 1. Perform switchover and failover operations 2. Set up physical and standby databases - Patching and Upgrades 1. Use AutoUpgrade utility 2. Apply patches and perform database upgrades
Performance Management and Tuning	20%	- SQL Tuning 1. Optimize SQL execution plans 2. Use SQL Tuning Advisor and SQL Access Advisor - Memory and Resource Management 1. Configure SGA and PGA 2. Manage Automatic Memory Management - Database Performance Monitoring 1. Use AWR, ADDM, and ASH for analysis 2. Identify and resolve bottlenecks
Managing Multitenant Architecture	35%	- PDB Lifecycle and Operations 1. Clone, unplug, plug, and relocate PDBs 2. Manage PDB snapshots and refreshable clones 3. Start, stop, open, and close PDBs - Upgrading and Transporting 1. Transport data between multitenant environments 2. Upgrade CDB and PDB environments - CDB and PDB Creation and Configuration 1. Manage application containers and PDBs 2. Use Oracle Resource Manager for multitenant resource management 3. Create and configure CDBs and PDBs

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Oracle Database Administration II Sample Questions (Q99-Q104):

NEW QUESTION # 99
Choose two. Which two are true about RMAN duplexed backup sets?

A. They must be written to media.
B. They can be written to media.
C. They can be created only by using the COPIES option of a BACKUP command.
D. They can be written only to disk.
E. They can be created by using the RMAN CONFIGURE command to specify duplexing before taking a backup.

Answer: B,E

NEW QUESTION # 100
Choose three. You issued this command: RMAN> BACKUP RECOVERY AREA FORCE; Which three are true?

A. All files in any previous FRA that have been backed up already, are backed up.
B. All Oracle recovery files normally written to the FRA and which have been backed up already to the current FRA, are backed up.
C. All Oracle recovery files normally written to the FRA and which have not yet been backed, are backed up.
D. All Oracle recovery files normally written to the FRA and which have been backed up already to in any previous FRA, are backed up.
E. All files in any previous FRA that have not yet been backed up, are backed up.
F. All files in the current fast recovery area (FRA) that have not yet been backed up, are backed up. C)All files in the current FRA that have been backed up already, are backed up.

Answer: A,D

NEW QUESTION # 101
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. configuring the OS for Oracle Automatic Storage Management shared storage access
B. creating the OSDBA (dba) group
C. creating thte oraInventory (oinstall) group
D. creating the grid OS user
E. creating the oracle OS user
F. performing checks to ensure minimum configuration requirements for Oracle Grid Infrastructure are met

Answer: B,C,E

Explanation:
Reference:
https://docs.oracle.com/cd/E11882_01/install.112/e41961/prelinux.htm#CWLIN2932

NEW QUESTION # 102
Which three are true about backup, restore, and recovery operations done without using Recovery Manager (RMAN)? (Choose three.)

A. 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.
B. Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be shut down.
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. An Oracle database can be restored from backup files copied using O/S utilities.
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. Oracle data file backups, copied using an O/S utility, can be added to the RMAN catalog as IMAGE COPIES.

Answer: B,D,G

NEW QUESTION # 103
Choose three. Which three are true about corrupted data blocks and their recovery in an Oracle Database?

A. DB_LOST_WRITE_PROTECT=TYPICAL causes extra logging overhead on the standby database.
B. DB_BLOCK_CHECKING=TRUE causes a check sum to be added to each data block to help detect physical or media corruption.
C. A media corrupt block is one where the block is not formatted correctly.
D. The ANALYZE TABLE VALIDATE STRUCTURE CASCADE command verifies that each table row has an index entry pointing to it.
E. If a row lock is held by a nonexistent transaction, the block containing the row is logically corrupt.
F. If a row lock is held by a nonexistent transaction, the block containing the row is media corrupt.

Answer: A,D,E

NEW QUESTION # 104
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