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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Objectives
Topic 1: Performance Management	- SQL performance tuning - Automatic Workload Repository (AWR) and diagnostics
Topic 2: Security Management	- Database auditing and encryption - User management and privileges
Topic 3: Database Architecture and Administration	- Oracle Database architecture components - Multitenant container database (CDB/PDB) concepts
Topic 4: Database Backup and Recovery	- RMAN configuration and backup strategies - Database recovery techniques
Topic 5: Storage and Space Management	- Segment management - Tablespaces and datafiles

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Oracle Database Administration II Sample Questions (Q52-Q57):

NEW QUESTION # 52
Which three are true about an application container?

A. It must have an application root PDB.
B. An application PDB can belong to multiple application containers.
C. It can contain multiple applications.
D. It must have an application seed PDB.
E. Two application containers can share an application seed PDB.
F. It can contain a single application.

Answer: C,E,F

NEW QUESTION # 53
While backing up to the Oracle Fast Recovery Area (FRA), you determined the backup is taking too long and suspect a performance bottleneck.
Which three are true about diagnosing and tuning these problems? (Choose three.)

A. Setting DBWR_IO_SLAVES to a non zero value can improve backup performance when using asynchronous I/O/
B. Data files with a high value in V$BACKUP_SYNC_IO.DISCRETE_BYTES_PER_SECOND are a potential performance bottleneck when synchronous I/O is used.
C. Setting DBWR_IO_SLAVES to a non zero value can improve backup performance when using synchronous I/O.
D. Data files with a high value in V$BACKUP_ASYNC_IO.SHORT_WAITS are a potential performance bottleneck when asynchronous I/O is used.
E. If an RMAN BACKUP VALIDATE command takes noticeably less than an actual backup, then write I/O is a likely bottleneck.
F. If an RMAN BACKUP VALIDATE command takes roughly the same time as an actual backup, then read I/O is a likely bottleneck.
G. If an RMAN BACKUP VALIDATE command takes roughly the same time as an actual backup, then both read and write I/O are likely bottlenecks.

Answer: B,C,E

Explanation:
Reference:
https://web.stanford.edu/dept/itss/docs/oracle/10gR2/backup.102/b14191/rcmtunin003.htm

NEW QUESTION # 54
Which two are true about the automatic execution of operating system scripts when performing silent mode installation starting from Oracle Database 19c? (Choose two.)

A. Silent install always runs operating scripts automatically.
B. The response file can specify the root or sudo password.
C. The installer will prompt for the root or sudo password.
D. The response file can specify the path of the sudo program.
E. The response file must contain the root or sudo password.

Answer: C,D

Explanation:
response file options:
oracle.install.db.rootconfig.executeRootScript= true / false
oracle.install.db.rootconfig.configMethod= ROOT / SUDO
oracle.install.db.rootconfig.sudoPath=
oracle.install.db.rootconfig.sudoUserName=
https://oraclefact.wordpress.com/2019/08/05/1-install-oracle-database-19c-with-automatic-root- scripts-execution/

NEW QUESTION # 55
Examine these queries and their output:

An online RMAN backup of the CDB was taken an hour before Restore Point ri was created.
You want to recover PDB1 to Restore Point R1.
How do you achieve this?

A. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by Using RMAN while connected to CDB$ROOT.
B. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by Using SQL while connected to CDB$ROOT.
C. This cannot be done due to the lack of a clean restore point.
D. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by Using RMAN while connected to PDB1.
E. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by Using SQL while connected to PDB1.

Answer: E

NEW QUESTION # 56
Examine this configuration:
1. CDB1 is a container database.
2. PDB1 and PDB2 are pluggable databases in CDB1.
3. PDB1 and PDB2 are OPEN in READ WRITE mode.
You execute these commands successfully: Which two are true? (Choose two.)

A. Uncommitted transactions in CDB1 and PDB1 have been rolled back.
B. CDB1 is shut down.
C. PDB1 is closed.
D. CDB1 is in MOUNT state
E. Uncommitted transactions in PDB1 have been rolled back.

Answer: C,E

NEW QUESTION # 57
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