Online Access Free Oracle.1Z1-083.v2024-06-16.q191 Practice Test (Page 17)

1Z1-083 Exam Question 76

Which two are true about flashback features in Oracle Database 19c and later releases?

A.Flashback logs are monitored and proactively deleted when beyond the retention period defined in db_flashback_retention_target before there is space pressure.

B.Flashback logs are monitored for being older than the retention period defined in db_flashback_retention_target and can be deleted by an administrator written event trigger.

C.Flashback logs are automatically purged whenever the value
Of DB_FLASHBACK_RETENTION_TARGET is changed.

D.Flashback logs are automatically purged when db_flashback_retention_target is set lower than the time they have already been retained.

E.Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_flashback_retention_TARGET only after there is space pressure

1Z1-083 Exam Question 77

Choose the best answer. Examine this configuration: 1. CDB1 is an Oracle Database 12c Release 2 container database (CDB). 2. PDB1 and PDB2 are two pluggable databases (PDBs) in CDB1. After successfully performing all the preupgrade tasks, you execute these commands from the Oracle Database 18c environment: $ export ORACLE_SID=cdb1 $ sqlplus / as sysdba SQL> STARTUP UPGRADE; SQL> SHOW pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ---------------------------------------------------------------2 PDB$SEED 3 PDB1 4 PDB2 MIGRATE YES MOUNTED YES MOUNTED YES SQL> ALTER PLUGGABLE DATABASE pdb1 OPEN UPGRADE; Pluggable database altered. SQL> exit $ $ORACLE_HOME/perl/bin/perl catctl.pl -C 'PDB2' What is the outcome?

A.Only CDB$ROOT, PDB$SEED, and PDB2 are upgraded.

B.It fails because PDB2 is not in UPGRADE state.

C.Only CDB$ROOT and PDB$SEED are upgraded.

D.Only CDB$ROOT, PDB$SEED, and PDB1 are upgraded.

E.CDB$ROOT, PDB$SEED, PDB1, and PDB2 are upgraded.

F.It fails because PDB$SEED is in MIGRATE state.

1Z1-083 Exam Question 78

You take your database backups by using the RMAN media management interface (MMI).
Which two are true about the use of the RMAN MMI?

A.You can use it to create proxy copies for database files.

B.You can use it to create proxy copies for entire file systems.

C.You can use it to create image copies for entire file systems.

D.You can use it to create backup sets for database files.

E.You can use it to create image copies for database files.

1Z1-083 Exam Question 79

Which three are true about requirements for various flashback operations?

A.flashback data archive requires undo to store all versions of all rows of a table being tracked.

B.flashback drop requires that the recyclebin parameter be set to on.

C.flashback drop requires undo to retrieve all versions of a row that existed between two points in time.

D.flashback version query requires undo to retrieve all versions of a row that existed between two points in time.

E.flashback version query requires that the recyclebin parameter be set to on.

F.flashback transaction query requires undo to retrieve all versions of a row that existed between two points in time.

1Z1-083 Exam Question 80

choose two Which two are true about RMAN image copies?

A.They can be encrypted using Transparent Data Encryption (TDE).

B.They can only be written to disk.

C.They can be used as a level 1 incremental backup.

D.They can be used as a level 0 incremental backup.

E.They are the only backup option available for databases in NOARCHIVELOG mode.

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1Z1-083 Exam Question 76

1Z1-083 Exam Question 77

1Z1-083 Exam Question 78

1Z1-083 Exam Question 79

1Z1-083 Exam Question 80

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