Oracle 1z0-083 Exam Actual Questions

The questions for 1z0-083 were last updated on July 8, 2024.

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Question #1 Topic 1

Which three are true about thresholds, metrics, and server-generated alerts? (Choose three.)

A. All metrics are instance related.
B. Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY.
C. A space usage management alert is automatically cleared after the underlying problem is resolved.
D. They are generated by SMON when a tablespace is 97% full.
E. Metrics are statistical counts for a specific unit.
F. STATISTICS_LEVEL must be set to ALL to generate alerts.

Correct Answer: CEF 🗳️
Reference:
https://docs.oracle.com/cd/E11882_01/server.112/e41573/autostat.htm#PFGRF027 https://blogs.oracle.com/oem/how-to-clear-an-alert-v2

Question #2 Topic 1

While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck.
FORCE LOGGING is enabled for the database.
Which two could improve read performance? (Choose two.)

A. Increase the size of tape I/O buffers.
B. Disable FORCE LOGGING for the database.
C. Increase the size of the database buffer cache.
D. Enable asynchronous disk I/O.
E. Increase the level of RMAN multiplexing.

Reveal Solution Discussion 22

Correct Answer: CE 🗳️

Question #3 Topic 1

For which two requirements can you use the USER_TABLESPACE clause with the CREATE PLUGGABLE DATABASE command? (Choose two.)

A. to specify a default tablespace in a PDB cloned from another PDB in the same CDB.
B. to exclude all tablespaces except SYSTEM, SYSAUX, and TEMP when plugging in a PDB
C. to include specific user tablespaces only when relocating a PDB
D. to specify the list of user tablespaces to include when moving a non-CDB to a PDB
E. to exclude a temp tablespace when plugging in a PDB
F. to specify the list of tablespaces to include when creating a PDB from the CDB seed

Reveal Solution Discussion 52

Correct Answer: EF 🗳️
Reference:
https://docs.oracle.com/en/database/oracle/oracle-database/12.2/admin/creating-and-removing-pdbs-with-sql-plus.html#GUID-1C47D543-8376-48AE-
A1AE-632316731D59

Question #4 Topic 1

Which three are true about requirements for various FLASHBACK operations? (Choose three.)

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

Reveal Solution Discussion 47

Correct Answer: ABC 🗳️
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=onepage&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

Oracle 1z0-083 Exam Actual Questions

The questions for 1z0-083 were last updated on July 8, 2024.

Topic 1 - Single Topic

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