Free Access Oracle.1Z1-083.v2022-11-09.q168 Practice Test (Page 16)

Question 71

Choose three. Which three are true about block media recovery?

A.It cannot repair logical corruption.

B.The data file containing the block being recovered remains online.

C.To use it, Flashback Database must be enabled.

D.It can be performed on noncorrupt blocks.

E.A block being recovered is not accessible.

F.The target database for which one or more blocks are to be recovered must be in the OPEN state.

Question 72

Which three are performed by Oracle Automatic Storage Management (ASM) instances? (Choose three.)

A.mounting disk groups

B.managing extent allocation for Oracle database segments

C.acting as an I/O server to write data file blocks to ASM disks on behalf of Database Writer processes (DBWn)

D.acting as an I/O server to read data file blocks from ASM disks on behalf of database server processes

E.managing space allocation for Oracle ASM files

F.managing Allocation Units (AUs) for disk group content

Question 73

Identify three benefits of Unified Auditing.

A.It guarantees zero-loss auditing.

B.It automatically audits Recovery Manager (RMAN) events.

C.Decreased use ofstorage to store audit trail rowsin the database.

D.It improves overall auditing performance.

E.The audit trail cannot be easily modified because it is read-only.

Question 74

Which two are true about changing the LOCAL_UNDO_ENABLED property to false in a CDB? (Choose two.)

A.After the change, only a common user with the required privilege can create an undo tablespace in CDB&ROOT.

B.Any new PDB and existing PDBs are automatically configured to use the default undo tablespace in CDB$ROOT.

C.After the change, only one undo tablespace can exist in CDB$ROOT.

D.After the change, any user with the required privilege can create an undo tablespace in the PDBs.

E.Undo tablespaces existing in PDBs must be dropped before the change.

F.After the change, each existing PDB has to be reopened for the new undo mode to take effect.

Question 75

Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)

A.A connection to an auxiliary instance is always required.

B.A new DBID is always created for the duplicated database.

C.Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.

D.Duplication can be done by having the target database instance push copies to the auxiliary database instance.

E.A subset of the target database can be duplicated.

F.A backup of the target database is always required.

G.A connection to the target database instance is always required.

H.A connection to the recovery catalog instance is always required.

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