Online Access Free Oracle.1Z1-083.v2022-04-30.q110 Practice Test (Page 18)

1Z1-083 Exam Question 81

Which three are true about RMAN persistent configuration settings, administration, and their effects? (Choose three.)

A.A DBA must specify either a redundancy retention policy or a recovery window retention policy.

B.A target database's persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.

C.The RMAN SHOW ALL command displays only settings with nondefault values.

D.Backups written to the fast recovery area (FRA) that are oboslete based on the redundancy retention policy can be deleted automatically to free space.

E.Backup older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.

F.A target database's persistent RMAN configuration settings are always stored in the target's control file

G.The V$RMAN_CONFIGURATION view displays only settings with values that have been modified.

1Z1-083 Exam Question 82

Which three are true about Database Point-in-Time Recovery?

A.Database Point-in-Time Recovery is performed by the Managed Recovery Process (MRP)

B.The database must be in archivelog mode.

C.The database must be open resetlogs after Database Point-in-Time Recovery.

D.The database must be in mount state when performing Database Point-in-Time Recovery.

E.The target point for the recovery must be specified as a time or System Change Number (SCN).

F.The database must have flashback database on to perform Database Point-in-Time Recovery.

1Z1-083 Exam Question 83

You must transport the UNIVERSITY tablespace from one database to another.
The UNIVERSITY tablespace is currently open read/write.
The source and destination platforms have different endian formats. Examine this list of actions:
1.Make the UNIVERSITY tablespace read-only on the source system.
2.Export the UNIVERSITY tablespace metadata using EXPDP.
3.Convert the UNIVERSITY tablespace data fies to the destination platform format using RMAN on the source system.
4.Copy the UNIVERSITY tablespace data files to the destination system.
5.Copy the Data Pump dump set to the destination system.
6.Convert the UNIVERSITY tablespace data files to the destination platform format using RMAN on the destination system.
7.Import the UNIVERSITY tablespace metadata using IMPDP.
8.Make the UNIVERSITY tablespace read/write on the destination system.
Which is the minimum number of actions required, in the correct order, to transport the UNIVERSITY tablespace?

A.1, 2, 3, 4, 5, 7, 8

B.2, 4, 5, 6, 7

C.1, 2, 3, 4, 5, 6, 7, 8

D.1, 2, 4, 5, 7, 8

E.1, 2, 4, 6, 7, 8

1Z1-083 Exam Question 84

Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)

A.The Statistics Advisor generates actions for all recommendations.

B.The Statistics Advisor can help recommend the best way to gather statistics.

C.Statistics collected using DBMS_STATS always yield the best optimizer result.

D.Index balanced B*Tree height is considered when evaluating the cost of using an index.

E.The number of table rows is considered when evaluating the cost of accessing a table using an index.

1Z1-083 Exam Question 85

Which two are true about instance recovery?

A.It is performed by the Recovery Writer (rvwr) background process.

B.It is not possible if an archived log is missing.

C.Setting fast_start_mttr_target to a lower value reduces instance recovery time by causing dirty buffers to be written to disk more frequently, thereby reducing the number of I/Os needed during instance recovery.

D.It is performed automatically while the database remains in mount state. Then the database is opened.

E.Setting fast_start_mttr_target to a higher value reduces instance recovery time by causing the log writer to write more frequently, thereby reducing the number of I/Os needed during instance recovery.

F.It is performed automatically after the database is opened; however, blocks requiring recovery are not available until they are recovered.

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1Z1-083 Exam Question 81

1Z1-083 Exam Question 82

1Z1-083 Exam Question 83

1Z1-083 Exam Question 84

1Z1-083 Exam Question 85

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