Free Access Oracle.1Z1-083.v2022-05-30.q253 Practice Test (Page 24)

Question 111

Which two are true about the Oracle dataabse methodology? (Choose two.)

A.The Oracle Database time model should be used to find the database and instance areas most in need of tuning.

B.Tuning activities should stop once the user is satisfied with performance.

C.Tuning activities should stop once agreed service levels for performance have been met.

D.The database instance memory should always be tuned before tuning any file systems.

E.SQL statements should always be tuned before tuning any file systems.

F.The alert log should be used to find the database and instance areas most in need of tuning.

Question 112

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

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.

Question 113

Which two are true about duplicating pluggable databases (PDBs) with RMAN? (Choose two.)

A.The auxiliary instance is automatically created with ENABLE_PLUGGABLE_DATABASE = TRUE.

B.All tablespaces belonging to a PDB must be duplicated when duplicating the PDB.

C.A user with SYSDBA or SYSBACKUP must be logged in with RMAN to the PDB to duplicate it.

D.Two or more PDBs can be duplicated with the same RMAN DUPLICATE command.

E.CDB$ROOT and PDB$SEED are automatically duplicated.

Question 114

A redaction policy was added to the SAL column of the SCOTT.EMP table: BEGIN DBMS_REDACT.ADD_POLICY( object_schema object_name column_name policy_name function_type expression => 'SCOTT', => 'EMP', => 'SAL', => 'SCOTT_EMP', => DBMS_REDACT.FULL, => 'SYS_CONTEXT(''SYS_SESSION_ROLES'',''MGR'') END; All users have their default set of system privileges. For which three situations will data not be redacted?

A.SYSsessions,regardlessoftherolesthataresetinthesession

B.SCOTTsessions,becauseheistheownerofthetable

C.SYSTEMsessions,regardlessoftherolesthataresetinthesession

D.SYSTEM session, only if the MGR role is set in the session

E.SCOTT sessions, only if the MGR role is granted to SCOTT

F.SCOTT sessions, only if the MGR role is set in the session

Question 115

Choose three. Which three are true about using an RMAN Recovery Catalog with a pluggable database (PDB) target connection in Oracle Database 19c and later releases?

A.The base catalog owner must give the Virtual Private Catalog access to metadata for one or more PDBs.

B.The target PDB must be registered in both the base catalog and the Virtual Private Catalog.

C.The target PDB must be registered in a base catalog.

D.The base catalog must be enabled for Virtual Private Catalog use.

E.The base catalog must be used by RMAN when performing point-in-time recovery for the PDB registered in the Virtual Private Catalog.

F.The target PDB must be registered in a Virtual Private Catalog.

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