Free Access Oracle.1Z0-083.v2026-05-24.q248 Practice Test (Page 15)

Question 66

Which four are true about RMAN backup sets?

A.Blocks from multiple data files can be contained in one backup piece.

B.A backup set can contain only one backup piece.

C.Blocks from multiple data files can be contained in one backup set.

D.A backup set must be written to disk.

E.A data file can be split into multiple sections stored in different backup pieces in the same backup set.

F.A backup piece can belong to only one backup set.

G.A data file can be split into multiple sections stored in different backup sets.

H.A backup set must be written to media.

Question 67

The USERS tablespace consists of data files 3 and 4 and must always be online in read/write mode.
Which two are true about using RMAN to perform an open database back up of this tablespace? (Choose two.)

A.Backups can be taken only if the database is in ARCHIVELOG mode.

B.Only consistent backups can be created.

C.Backups must be contained in backup sets.

D.Backups must be done incrementally.

E.The database must be registered in an RMAN catalog.

F.Backups can be done incrementally.

Question 68

Choose two. Which two are true about Rapid Home Provisioning of Oracle software?

A.It can be used only for Oracle Grid Infrastructure, excluding Oracle Restart.

B.It can be used for both Oracle Database and Oracle Grid Infrastructure, excluding Oracle Restart.

C.It can be used only for Oracle Grid Infrastructure, including Oracle Restart.

D.It can be used for applications and middleware.

E.It can be used for both Oracle Database and Oracle Grid Infrastructure, including Oracle Restart.

Question 69

Automatic Shared Memory Management is disabled for one of your database instances.
Some SQL statements perform poorly due to excessive hard parse activity, thereby degrading performance.
What would be your next step?

A.Run the SQL Access Advisor.

B.Run the Memory Advisor for the shared pool.

C.Run the SQL Tunning Advisor.

D.Run the Memory Advisor for the Program Global Area.

E.Run the Memory Advisor for the System Global Area.

Question 70

How do you configure a CDB for local undo mode?

A.Open the CDB instance in restricted mode. In cdb$root, drop the undo tablespace. Execute alter database local undo on in each PDB, and then restart the CDB instance.

B.Open the CDB instance in restricted mode. In cdb$root, execute alter database local undo on. create an undo tablespace in each PDB, and then restart the CDB instance

C.Open the CDB instance in upgrade mode. In cdb$root, execute alter database local undo on, and then restart the CDB instance.

D.Open the CDB instance in upgrade mode. In each PDB, execute alter database local undo on, create an undo tablespace, and then restart the CDB instance.

E.Open the CDB in read-only mode. In cdb$root, execute alter database local undo on, and then change the CDB to read/write mode.

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Question 66

Question 67

Question 68

Question 69

Question 70

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