100% Pass Quiz 1Z0-083 - The Best Oracle Database Administration II Latest Test Questions

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Oracle 1Z0-083 Exam Syllabus Topics:

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

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Oracle Database Administration II Sample Questions (Q43-Q48):

NEW QUESTION # 43
Which three are true about recovery operations done without using Recovery Manager (RMAN)?
(Choose three.)

A. A lost password file can be manually re-created with the orapwd utility.
B. A lost SPFILE can be recovered from memory using SQL*PLUS.
C. A lost index tablespace can be re-created without performing any recovery.
D. A lost password file can be re-created with SQL*PLUS.
E. A lost TEMPFILE must always be re-created manually.
F. A lost PFILE can be re-created alert.log using SQL*PLUS.

Answer: A,B,C

Explanation:
A - create spfile from memory
https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf/CREATE- SPFILE.html#GUID-D3E295B7-A3A4-43D3-8BBD-5CBE171A2E52 D - create password file using orapwd
https://www.thegeekdiary.com/how-to-create-the-oracle-password-file-using-orapwd-command/ F - lost datafiles can be offline dropped and recreated, index can be rebuild without need of recovery)

NEW QUESTION # 44
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 MOUNT state.
B. 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.
C. Oracle data file backups, copied using an O/S utility, can be added to the RMAN catalog as IMAGE COPIES.
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 OPEN 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 NOARCHIVELOG mode using O/S utilities requires that the database instance be shut down.

Answer: A,C,G

NEW QUESTION # 45
Choose the best answer. Examine this configuration: 1. CDB1 is a container database. 2. DEFAULT_SHARING is METADATA.
3. APP_ROOT is an application root contained in CDB1. 4. APP_PDB1 is an application PDB contained in APP_ROOT. 5. COMPANYAPP is an application contained in APP_ROOT. 6. EMP is a common table created in APP_ROOT and all its application PDBs, created when version 1.0 of COMPANYAPP was installed. You execute these commands: $ sqlplus sys/ orac1e@localhost:1521/cdb1 as sysdba SQL> ALTER SYSTEM SET DEFAULT_SHARING=DATA; System altered. SQL> ALTER SESSION SET CONTAINER=app_root; Session altered. SQL> ALTER PLUGGABLE DATABASE APPLICATION companyapp BEGIN UPGRADE '1.0' TO '2.0'; pluggable database altered. SQL> ALTER TABLE emp ADD (sal NUMBER NOT NULL) ; Table altered. SQL> ALTER PLUGGABLE DATABASE APPLICATION companyapp END UPGRADE TO '2.0'; Pluggable database altered. SQL> ALTER SESSION SET CONTAINER=app_pdb1; Session altered. SQL> DESC emp; Name Null? Type --------------------------------------------------------------ENO NUMBER ENAME VARCHAR2 (20) SQL> SELECT * FROM emp; ENO ENAME ---------------------------------100 Alan 200 Ben SQL> ALTER PLUGGABLE DATABASE APPLICATION companyapp SYNC; What will be the outcome and why?

A. It will return an error because EMP is not empty in APP_ROOT.
B. SAL will be added to APP_PDB1.EMP, with 0 in columns of existing rows.
C. SAL will be added to APP_PDB1.EMP, with NULLs in columns of existing rows.
D. It will return an error because the SYNC operation is not allowed when constraints are added to common objects.
E. It will return an error because EMP.SAL is empty in APP_ROOT.

Answer: A

NEW QUESTION # 46
Which three are true about recovery operations done without using Recovery Manager (RMAN)? (Choose three.)

A. A lost password file can be re-created with SQL*PLUS.
B. A lost password file can be manually re-created with the orapwd utility.
C. A lost index tablespace can be re-created without performing any recovery.
D. A lost SPFILE can be recovered from memory using SQL*PLUS.
E. A lost PFILE can be re-created alert.log using SQL*PLUS.
F. A lost TEMPFILE must always be re-created manually.

Answer: A,B,E

NEW QUESTION # 47
Which three are true about Oracle Restart?

A. It runs from the Oracle Grid Infrastructure home.
B. It can manage Oracle Database instances, Oracle Net Listeners, and Oracle Automatic Storage Management instances.
C. The Server Control (SRVCTL) utility can be used to start and stop Oracle Restart.
D. It is used in both clustered and non-clustered environments.
E. If you shut down a database instance with SQL*Plus, Oracle Restart interprets this as a database failure and attempts to restart the instance.
F. You can add and remove components from an Oracle Restart configuration with Server Control (SRVCTL) commands.

Answer: B,D,F

NEW QUESTION # 48
......

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