Online Access Free Oracle.1Z1-083.v2022-04-30.q110 Practice Test (Page 21)

1Z1-083 Exam Question 96

Which two are true about Recovery Manager (RMAN) diagnostic message output? (Choose two.)

A.The RMAN LOG command line clause causes output issued during RMAN commandcompilation to be written to a log file and to standard output.

B.Media Management messages for SBT devices are always written to sbtio.log.

C.The RMAN LOG command line clause causes output issued during RMAN command compilation to be written to a log file only.

D.Media Management messages for SBT devices are written to an Oracletrace file.

E.RMAN error stacks should be read from the top down as that is the order in which errors are generated.

F.RMAN error stacks should be read from the bottom up as that is the order in which errors are generated.

1Z1-083 Exam Question 97

Which three are true about managing memory components in an Oracle database instance? (Choose three.)

A.With Automatic Shared Memory Management, the database instance can increase the Program Global Area size by reducing the System Global Area size.

B.Automatically tuned and resized System Global Area components will always revert to their initial sizes after an instance restart.

C.With Automatic Shared Memory Management, the database instance can increase the Large Pool size by reducing the Shared Pool size.

D.With Automatic Memory Management, the database instance can increase the System Global Area size by reducing the Program Global Area size.

E.On Line Transaction Processing systems often use less Program Global Area than Decision Support Systems.

F.Automatic Memory Management must be used together with locking the System Global Area into physical memory.

1Z1-083 Exam Question 98

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.Enable asynchronous disk I/O.

C.Disable FORCE LOGGING for the database.

D.Increase the size of the database buffer cache.

E.Increase the level of RMAN multiplexing.

1Z1-083 Exam Question 99

Which two are true about reclaiming space used by Flashback logs in Oracle Database 19c and later releases? (Choose two.)

A.Space might be reclaimed automatically when the retention period for Flashback logs is lowered.

B.Space might be reclaimed proactively before space pressure occurs.

C.Space is always reclaimed proactively before space pressure occurs.

D.Space is only reclaimed when there is space pressure in the Fast Recovery Area. (FRA)

E.Space is always reclaimed automatically when the retention period for Flashback logs is lowered.

1Z1-083 Exam Question 100

Which three are true about the SQL Tuning Advisor? (Choose three.)

A.It checks each query being analyzed for stale statistics.

B.It checks each query being analyzed for missing statistics.

C.It only recommends syntactic changes to SQL statements.

D.It can recommend semantic changes to SQL statements.

E.It considers all SQL statements being analyzed by the advisor task as a group.

F.It builds SQL profiles for each poorly performing SQL statement to prevent regressions.

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1Z1-083 Exam Question 96

1Z1-083 Exam Question 97

1Z1-083 Exam Question 98

1Z1-083 Exam Question 99

1Z1-083 Exam Question 100

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