Online Access Free Oracle.1Z0-083.v2024-11-04.q291 Practice Test (Page 16)

1Z0-083 Exam Question 71

choose two Which two statements are true about encrypted backups performed by using RMAN?

A.Encrypted backups can only be written to disk.

B.A password encryption of backups uses the password while creating and restoring backups.

C.A database uses the same encryption key for every encrypted backup.

D.Transparent encryption of backups uses an encryption wallet.

E.Image copy backups can be created by using password encryption.

1Z0-083 Exam Question 72

Which two are true about SQL Performance Analyzer (SPA)? (Choose two.)

A.It is integrated with the SQL Access Advisor.

B.It predicts the impact of system changes on SQL workload response time.

C.It provides before and after execution statistics for each SQL statement in the analysis task

D.It offers fine-grained analysis of all the SQL statements in the analysis task as a group.

E.SQL statements that were originally run concurrently are run concurrently by SPA.

1Z0-083 Exam Question 73

A container database (CDB) contains two pluggable databases PDB1 and PDB2.
The LOCAL_UNDO_ENABLEDdatabase property is set to FALSEin the CDB.
Data file 24 of PDB2was deleted and you need to restore and recover it.
The only RMAN backup that exists was created with the BACKUP DATABASEcommand while connected to CDB$ROOT.
Which three are true? (Choose three.)

A.Data file 24 can be recovered while connected to CDB$ROOT.

B.Data file 24 can be recovered while connected to PDB2.

C.Data file 24 can be restored and recovered while connected to CDB$ROOT.

D.Data file 24 can be restored only while connected to CDB$ROOT.

E.Data file 24 can be restored only while connected to PDB2.

F.Data file 24 can be recovered only while connected to PDB2.

1Z0-083 Exam Question 74

Which two are true about Oracle instance recovery? (Choose three.)

A.Recovery begins from the start of any ACTIVE redo log group or the start of the CURRENT log group if no other group is ACTIVE.

B.Recovery begins from the last checkpoint position that was recorded in the control file by the checkpoint process (CKPT).

C.Recovery begins from the beginning of the CURRENT redo log group.

D.Recovery begins from the last checkpoint position that was calculated by the Database Writer before instance failure.

E.Recovery reads redo until the end of the redo thread, and then opens the database. SMON then rolls back any dead transactions.

F.Recovery reads redo until the end of the redo thread. SMON rolls back any dead transactions, and then the datanase is opened.

1Z0-083 Exam Question 75

Which four are true about RMAN backup sets? (Choose four.)

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

B.A backup set must be written to disk.

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

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

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

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

G.A backup set must be written to media.

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

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