Question 1

Your container database, CDB1, has an application container, HR_ROOT, with an application PDB, HR_PDB1. You have the required privilege to clone HR_PDB1 to container database CDB2, which does not contain HR_ROOT. Which two are always true? (Choose two.)

Options :

A : CDB1 and CDB2 must be in shared undo mode.

B : A common user must exist in CDB2 with the CREATE PLUGGABLE DATABASE privilege.

C : All transactions in HR_PDB1 of CDB1 must commit before the cloning process starts.

D : Cloning HR_ROOT automatically clones HR_PDB1.

E : The HR_PDB1clone created in CDB2 will be in mount state when cloning ends.

Answer: A,D

Question 2

Choose the best answer. SQL Performance Analyzer (SPA) has reported several regressed SQL statements for one of your databases. Which action could help in the performance management of these regressed SQL statements?

Options :

A : Create SQL plan directives for each of the regressed statements.

B : Use The SQL Tuning Advisor for each of the regressed statements.

C : Create an adaptive execution plan for each of the regressed statements

D : Use the SQL Access Advisor for each of the regressed statements.

Answer: B

Question 3

Choose three. Which three are true about the Oracle Optimizer?

Options :

A : It considers the filters in WHERE clauses when generating execution plans for SQL statements.

B : It obeys all hints.

C : It considers object statistics when generating execution plans for SQL statements.

D : It updates stale object statistics in the Data Dictionary.

E : It can only use SQL Plan Directives tied to the SQL statement for which a plan is being generated.

F : It can re-optimize execution plans after previous executions detect suboptimal plans.

Answer: A,D

Question 4

Examine the query and its output executed In an RDBMS Instance: Which three statements are true about the users (other than sys) in the output?

Options :

A : TheC# # B_ADMIN user can perform all back up and recovery operation susing RMAN only.

B : The C # # C_ADMIN user can perform the data guard operation with Data Guard Broker

C : The C # # A_ADMIN user can perform wallet operations.

D : The C # # D_ADMIN user can perform backup and recovery operations for Automatic Storage Management (ASM).

E : The C # # B_ADMIN user can perform all backup and recovery operations using RMAN or SQL* Plus.

Answer: A,B,D

Question 5

Which two are true about creating pluggable databases (PDBs) using snapshots in Oracle 19c and later releases? (Choose two.)

Options :

A : A PDB snapshot is always a full copy of the source PDB.

B : A PDB snapshot is always a sparse copy of the source PDB.

C : A snapshot copy PDB depends on a storage snapshot which can only be stored on specific file systems.

D : A PDB snapshot depends on a storage snapshot which can be stored on any file system.

E : A PDB snapshot depends on a storage snapshot which can only be stored on specific file systems.

F : A snapshot copy PDB depends on a storage snapshot which can be stored on any file system.

G : A snapshot copy PDB can be created from a stand-alone clone PDB.

Answer: A,C

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