Free Practice Oracle 1Z0-083 Exam Questions 2025

Stay ahead with 100% Free Oracle Database Administration II 1Z0-083 Dumps Practice Questions

Page: 1 / 57

Total 285 Questions | Updated On: Feb 18, 2025

Add To Cart

Question 1

Choose three. PDB1 and PDB2 are pluggable databases in CDB1. Examine these commands: $ export ORACLE_SID=CDB1 $ sqlplus / as sysdba SQL> STARTUP ....... Database opened. SQL> SHOW PDBS CON_ID CON_NAME --------------------------------------------------------------------OPEN MODE READ ONLY NO MOUNTED MOUNTED SQL> ALTER PLUGGABLE Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE pdb1 SAVE STATE; Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE pdb1 CLOSE; Pluggable database altered. SQL> ALTER PLUGGABLE A DATABASE pdb2 OPEN; Pluggable database altered. CDB1 is then restarted. Which three are true?

A : PDB2 will be opened READ WRITE.

B : PDB1 will be opened READ WRITE.

C : PDB1 will be MOUNTED.

D : PDB$SEED will be opened READ ONLY.

E : PDB$SEED will be MOUNTED

F : PDB2 will be MOUNTED.

Answer: A,B,D

Question 2

Examine this configuration: 1. CDB1 is a container database. 2. PDB1 and PDB2 are pluggable databases in CDB1. You execute these commands successfully: Which two are true? (Choose two.)

A : PDB1 and PDB2 are in MOUNT state.

B : Redo logs are opened.

C : PDB1 and PDB2 are in READ ONLY state.

D : CDB$ROOT is in MOUNT state.

E : PDB$SEED is in READ ONLY state.

Answer: A,D

Question 3

Which three are true about the SQL Tuning Advisor? (Choose three.)

A : It checks each query being analyzed for stale statistics.

B : It checks each query being analyzed for missing statistics.

C : It only recommends syntactic changes to SQL statements.

D : It can recommend semantic changes to SQL statements.

E : It considers all SQL statements being analyzed by the advisor task as a group.

F : It builds SQL profiles for each poorly performing SQL statement to prevent regressions.

Answer: A,B,D

Question 4

Choose three. Which three are true about a container database (CDB)?

A : It can be created from a non-CDB.

B : It can contain only one PDB$SEED, which is created when the CDB is created.

C : It can have local users with the same name in different PDBs.

D : It can contain only one Application Container seed, which is created when the Application Container is created.

E : It can be created by cloning an existing CDB.

F : It can have any number of pluggable databases (PDBs) limited only by space availability.

G : It contains predefined common roles in both the root and the seed.

Answer: A,B

Question 5

Which two are true about creating RMAN backups for an Oracle container database?

A : Online Redo Log backups can be created while connected to CDB$ROOT

B : Control file backups can be created while connected to CDB$ROOT.

C : The BACKUP TABLESPACE command can back up a pDB tablespace even if RMAN is connected to CDB$ROOT.

D : Archived Redo Log backups can be created while connected to PDB

E : Control file backups can not be created while connected to a PDB

Answer: A,B

Page: 1 / 57

Total 285 Questions | Updated On: Feb 18, 2025

Add To Cart