Free Access Oracle.1Z0-083.v2024-11-13.q152 Practice Test (Page 28)

Question 131

Which three actions are performed by Database Upgrade Assistant (DBUA)?

A.It sets all user tablespaces to "read-only" before starting the upgrade.

B.It performs prerequisite checks to verify if the Oracle database is ready for upgrade.

C.It Increases tablespace size, if required, to meet upgrade requirements.

D.It recompiles all stored pl/sql code by using utlrp.sql.

E.It empties the recycle bin.

F.It removes the audsys schema and the audit_admin and audit_viewer roles.

Question 132

Examine this configuration:
1. CDB1 is a container database running in ARCHIVELOG mode.
2. Multiple uncommitted transactions are running in CDB1.
3. Redo log groups 1 and 2 are INACTIVE.
4. Redo log group 3 is the CURRENT group.
All members of redo log group 3 are lost before it is archived.
Examine these possible steps:
1. SHUTDOWN ABORT
2. STARTUP NOMOUNT
3. STARTUP MOUNT
4. ALTER DATABASE MOUNT
5. RESTORE DATABSE
6. RECOVER DATABASE NOREDO
7. RECOVER DATABASE UNTIL AVAILABLE
8. RESTORE ARCHIVELOG ALL
9. ALTER DATABSE OPEN
10.ALTER DATABASE OPEB RESETLOGS
Choose the minimum required steps in the correct order to recover the database.

A.1, 3, 5, 8, 6, 10

B.1, 3, 5, 6, 9

C.1, 3, 5, 7, 10

D.1, 2, 5, 7, 4, 10

E.1, 3, 5, 6, 10

Question 133

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

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

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

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

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

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

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

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

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

Question 134

Choose three. Which three are true about corrupted data blocks and their recovery in an Oracle Database?

A.If a row lock is held by a nonexistent transaction, the block containing the row is media corrupt.

B.DB_LOST_WRITE_PROTECT=TYPICAL causes extra logging overhead on the standby database.

C.DB_BLOCK_CHECKING=TRUE causes a check sum to be added to each data block to help detect physical or media corruption.

D.If a row lock is held by a nonexistent transaction, the block containing the row is logically corrupt.

E.The ANALYZE TABLE VALIDATE STRUCTURE CASCADE command verifies that each table row has an index entry pointing to it.

F.A media corrupt block is one where the block is not formatted correctly.

Question 135

Examine these queries and their output:

After a system crash, an instance restart and an attempted opening of the PDBs result in:

Which two are true? (Choose two.)

A.Data file 24 can be recovered while PDB2 is opened.

B.Data file 24 must be recovered while PDB2 is closed.
19c: PDB SYSTEM or UNDO Tablespace Recovery: The CDB and all other PDBs can be left opened. 1. Connect to PDB 2. Shutdown abort the PDB, if its not automatically done. sqlplus sys@sales_pdb as sysdba sql> SHUTDOWN ABORT; OR ALTER PLUGGABLE DATABASE CLOSE ABORT; rman target sys@slaes_pdb rman> restore database; rman> recover database; rman> alter pluggable database sales_pdb open;

C.Data file 24 must be recovered while the CDB is opened.

D.Data file 24 can be recovered while CDB$ROOT and PDB$SEED are opened.

E.Data file 24 cannot be recovered while the CDB is opened.

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Question 132

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