Free Access Oracle.1Z1-083.v2022-05-30.q253 Practice Test (Page 16)

Question 71

Which three resources are always shared among CDB$ROOT and pluggable databases (PDBs)? (Choose three.)

A.the log writer process (LGWR)

B.SYSAUX tablespaces

C.temporary tablespaces

D.the Process Monitor Process (PMON)

E.undo tablespaces

F.the data dictionary in CDB$ROOT

Question 72

Choose the best answer. Your CDB has two regular PDBs as well as one application container with two application PDBs and an application seed. No changes have been made to the standard PDB $SEED. How many default temporary tablespaces can be assigned in the CDB?

A.six

B.eight

C.seven

D.five

E.three

Question 73

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

A.Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY.

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

C.STATISTICS_LEVEL must be set to ALL to generate alerts.

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

E.All metrics are instance related.

F.Metrics are statistical counts for a specific unit.

Question 74

Your SALES_ROOTapplication container has two application PDBs.
The SALES_APPapplication has a common table, FIN.REVENUE, in the two PDBs.
Examine this query and its output:

Which two are true? (Choose two.)

A.The REVENUEtable must be a list-partitioned table.

B.The REVENUEtable partitions are not pruned across the PDBs automatically.

C.The MAPTABLE table is a metadata-linked table.

D.A container map exists for the REVENUEtable, but is not enabled.

E.The CONTAINERSclause cannot be used in queries on the REVENUEtable.

F.The MAPTABLEtables defines a logical partition key on a commonly used column for the REVENUEtable.

Question 75

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.Increase the size of the database buffer cache.

C.Increase the level of RMAN multiplexing.

D.Disable FORCE LOGGING for the database.

E.Enable asynchronous disk I/O.

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