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Oracle 1Z0-083 Exam Syllabus Topics:

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

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Our Oracle 1Z0-083 practice materials compiled by the most professional experts can offer you with high quality and accuracy Oracle Database Administration II 1Z0-083 practice materials for your success. Up to now, we have more than tens of thousands of customers around the world supporting our Oracle exam torrent.

Oracle Database Administration II Sample Questions (Q155-Q160):

NEW QUESTION # 155
Which three are true about requirements for various FLASHBACKoperations? (Choose three.)

A. FLASHBACK DATA ARCHIVErequires undo to store all versions of all rows of a table being tracked.
B. FLASHBACKtransaction query requires undo to retrieve all versions of a row that existed between two points in time.
C. FLASHBACKversion query requires undo to retrieve all versions of a row that existed between two points in time.
D. FLASHBACKversion query requires that the RECYCLEBINparameter be set to ON.
E. FLASHBACKdrop requires that the RECYCLEBIN parameter be set to ON.
F. FLASHBACKdrop requires undo to retrieve all versions of a row that existed between two points in time.

Answer: B,D,E

Explanation:
Explanation/Reference:
https://books.google.com.pk/books?id=0iwrL9P25Z0C&pg=PA35&lpg=PA35&dq=FLASHBACK+transaction
+query+requires+undo+to+retrieve+all+versions+of+a+row+that+existed+between+two+points+in
+time&source=bl&ots=MJnYl5CZ1u&sig=ACfU3U0dWP-NPd-
U8uu3zbaoi3YZzT0FTQ&hl=en&sa=X&ved=2ahUKEwigi5_Jl9joAhXzUBUIHUh4DksQ6AEwAnoECAsQJg#v=o nepage&q=FLASHBACK%20transaction%20query%20requires%20undo%20to%20retrieve%20all%20versions
%20of%20a%20row%20that%20existed%20between%20two%20points%20in%20time&f=false
https://docs.oracle.com/cd/E18283_01/server.112/e17120/tables011.htm

NEW QUESTION # 156
Which two statements are true about indexes and their administration in an Oracle database?

A. An index can be scanned to satisfy a query without the indexed table being accessed.
B. A non-unique index can be converted to a unique index using a Data Definition Language (DDL) command.
C. A descending index is a type of bitmapped index.
D. An index is always created by scanning the key columns from the underlying table.
E. An invisible index is maintained when a Data Manipulation Language (DML) command is per- formed on its underlying table.

Answer: A,E

NEW QUESTION # 157
Which three are true about Automatic Workload Repository (AWR)? (Choose three.)

A. Its collection level is determined by the value of the STATISTICS_LEVEL database parameter.
B. AWR data is stored in the SYSTEM tablespace.
C. By default, AWR snapshots are retained for 7 days.
D. The taking of AWR snapshots can be disabled.
E. By default, AWR snapshots are taken every 60 minutes.

Answer: A,D,E

NEW QUESTION # 158
Oracle Managed Files (OMF) is enabled in a CDB and this command is successfully executed:

Which three are true? (Choose three.)

A. Application PDBs that are subsequently created in the APP1 application container will be cloned from PDB$SEED.
B. A default service is created for the application root APP1.
C. An application seed PDB is created for APP1.
D. Application PDBs that are subsequently created in the APP1 application container will be cloned from APP1$SEED.
E. An application root PDB is created for APP1.
F. APP1 can never be unplugged.

Answer: A,C,D

NEW QUESTION # 159
Which three are true about Audit policies In container databases (CDBs)?

A. Application-common unified audit policies defined In an application root must be manually synchronized by each application PDB contained in the application root.
B. A common unified audit policy can be created at the CDB level.
C. All audit records are written to the audit trail in CDB$ROOT
D. A common unified audit policy can be created at the application root level.
E. An application PDB cannot have a local audit policy.
F. Fine-grained auditing policies defined in an application root must be manually synchronized by each application PDB contained in the application root.

Answer: A,E,F

NEW QUESTION # 160
......

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