Free Access Oracle.1Z1-083.v2022-05-30.q253 Practice Test (Page 4)

Question 11

Which three are true about Automatic Workload Repository (AWR) snapshots?

A.They can be retained forever.

B.They are generated if STATISTICS LEVEL is set to ALL.

C.They are generated if STATISTICS LEVEL is set to TYPICAL.

D.They are always created manually.

E.They are always created automatically.

F.They are generated if STATISTICS LEVEL is set to BASIC.

Question 12

Which three capabilities require the use of the RMAN recovery catalog? (Choose three.)

A.using the KEEP FOREVER clause with the BACKUP command

B.using the REPORT SCHEMA command to list a database's current data files and tablespaces

C.using RMAN stored scripts

D.creating encrypted backups

E.creating customized reports about a single database's backups

F.using the REPORT SCHEMA command to list a database's data files and tablespaces at times in the past

Question 13

Which two are true about Oracle Database Configuration Assistant (DBCA) templates?

A.The General Purpose or Transaction Processing templates are most suitable when concurrency and recoverability are key criteria.

B.New templates can only be created by modifying an existing user-created template.

C.The Data Warehouse template is most suitable when transaction response time is the key criterion.

D.Oracle DBCA templates can be used to create new databases and duplicate existing databases.

E.Oracle DBCA templates can store only logical structure and not database files.

Question 14

Choose two. Which two are true about creating RMAN backups for an Oracle container database?

A.Control file backups can be created while connected to the root container.

B.Control file backups can be created while connected to a nonroot container.

C.The BACKUP TABLESPACE command can back up a PDB tablespace even if RMAN is connected to CDB$ROOT.

D.Online Redo Log backups can be created while connected to the root container.

E.Archived Redo Log backups can be created while connected to an application root CDB.

Question 15

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

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

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

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

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

E.The Statistics Advisor generates actions for all recommendations.

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