1Z0-083 Questions | Free Practice 1Z0-083 Dumps & Exam Prep

Question No 1

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

Choose the Choices:

All metrics are instance related.

Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY.

A space usage management alert is automatically cleared after the underlying problem is resolved.

They are generated by SMON when a tablespace is 97% full.

Metrics are statistical counts for a specific unit.

STATISTICS_LEVEL must be set to ALL to generate alerts.

Question No 2

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.)

Choose the Choices:

Increase the size of tape I/O buffers.

Disable FORCE LOGGING for the database.

Increase the size of the database buffer cache.

Enable asynchronous disk I/O.

Increase the level of RMAN multiplexing.

Question No 3

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

Choose the Choices:

to specify a default tablespace in a PDB cloned from another PDB in the same CDB.

to exclude all tablespaces except SYSTEM, SYSAUX, and TEMP when plugging in a PDB

to include specific user tablespaces only when relocating a PDB

to specify the list of user tablespaces to include when moving a non - CDB to a PDB

to exclude a temp tablespace when plugging in a PDB

to specify the list of tablespaces to include when creating a PDB from the CDB seed

Question No 4

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

Choose the Choices:

FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time.

FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.

FLASHBACK version query requires that the RECYCLEBIN parameter be set to ON.

FLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked.

FLASHBACK drop requires undo to retrieve all versions of a row that existed between two points in time.

FLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.

Question No 5

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.)

Choose the Choices:

performing checks to ensure minimum configuration requirements for Oracle Grid Infrastructure are met

creating the oracle OS user

creating the OSDBA (dba) group

creating thte oraInventory (oinstall) group

creating the grid OS user

configuring the OS for Oracle Automatic Storage Management shared storage access

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