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Oracle 1Z0-083 Exam covers various topics related to database administration, including backup and recovery, performance tuning, security, and database upgrades. 1Z0-083 exam is designed to test the candidate's knowledge and skills in managing and maintaining Oracle databases, ensuring their availability, reliability, and security.

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Oracle 1Z1-083 certification exam covers various topics related to database administration, including database backup and recovery, database performance tuning, database security, and database storage management. 1Z0-083 exam also tests your knowledge of various database tools and utilities such as Oracle Enterprise Manager and SQL*Plus. You will also be tested on your ability to troubleshoot common database issues and perform database upgrades and migrations.

Oracle 1Z1-083 exam is a comprehensive test that covers a wide range of topics related to database administration. It requires candidates to have a thorough understanding of database concepts and a deep knowledge of Oracle database technology. 1Z0-083 Exam covers topics such as managing database instances, managing storage structures, managing users and security, and managing data concurrency.

Oracle Database Administration II Sample Questions (Q184-Q189):

NEW QUESTION # 184
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 oracle OS user
B. creating the OSDBA (dba) group
C. configuring the OS for Oracle Automatic Storage Management shared storage access
D. creating the grid OS user
E. performing checks to ensure minimum configuration requirements for Oracle Grid Infrastructure are met
F. creating thte oraInventory (oinstall) group

Answer: A,B,F

Explanation:
When installed, the Oracle Preinstallation RPM does the following:
Automatically downloads and installs any additional RPM packages needed for installing Oracle Grid Infrastructure and Oracle Database, and resolves any dependencies Creates an oracle user, and creates the oraInventory (oinstall) and OSDBA (dba) groups for that user As needed, sets sysctl.conf settings, system startup parameters, and driver parameters to values based on recommendations from the Oracle Preinstallation RPM program Sets hard and soft resource limits Sets other recommended parameters, depending on your kernel version Sets numa=off in the kernel for Linux x86_64 machines.
https://docs.oracle.com/cd/E11882_01/install.112/e41961/prelinux.htm#CWLIN172

NEW QUESTION # 185
Which two are true about diagnosing Oracle Database failure situations using Data Recovery Advisor? (Choose two.)

A. Using the Data Recovery Advisor LIST FAILURE command always requires that the database for which failures are to be listed is in MOUNT state.
B. The Data Recovery Advisor CHANGE FAILURE command can be used only to change failure priorities.
C. A failure can be closed only when it has been repaired.
D. Data Recovery Advisor can proactively check for failures.
E. Data Recovery Advisor can be used if a database is closed.

Answer: B,D

NEW QUESTION # 186
Examine this configuration:

While CDB1 is open, '/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl' is accidentally deleted.
To recover from this critical failure, you execute these commands:

What will be the outcome?

A. It will re-create '/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl'
B. It will create '/u01/app/oracle/product/12.2.0.1/db_1/dbs/snapcf_cdb1control02.ctl'.
C. It will fail because there is no autobackup of the controlfiles.
D. It will create '$ORACLE_HOME/dbs/cdb1/CDB1/controlfile02.ctl'
E. It will create '/u01/app/oralce/oradata/CDB1/controlfile/controlfile02.ctl'.

Answer: A

NEW QUESTION # 187
Which two are true about creating RMAN backups for an Oracle container database?

A. Control file backups can not be created while connected to a PDB
B. Control file backups can be created while connected to CDB$ROOT.
C. Online Redo Log backups can be created while connected to CDB$ROOT
D. The BACKUP TABLESPACE command can back up a pDB tablespace even if RMAN is connected to CDB$ROOT.
E. Archived Redo Log backups can be created while connected to PDB

Answer: B,C

NEW QUESTION # 188
Choose the best answer. How do you configure a CDB for local undo mode?

A. Open the CDB instance in upgrade mode. In each PDB, execute ALTER DATABASE LOCAL UNDO ON, create an UNDO tablespace, and then restart the CDB instance.
B. Open the CDB instance in restricted mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON. create an UNDO tablespace in each PDB, and then restart the CDB instance.
C. Open the CDB in read-only mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and then change the CDB to read/write mode.
D. Open the CDB instance in upgrade mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and then restart the CDB instance.
E. Open the CDB instance in restricted mode. In CDB$ROOT, drop the UNDO tablespace. Execute ALTER DATABASE LOCAL UNDO ON in each PDB, and then restart the CDB instance.

Answer: D

NEW QUESTION # 189
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