*A PDB would have its SYSTEM, SYSAUX, TEMP tablespaces.It can also contains other user created tablespaces in it. * *Oracle Database creates both the SYSTEM and SYSAUX tablespaces as part of every database.
*tablespace_datafile_clauses
Use these clauses to specify attributes for all data files comprising the SYSTEM and
SYSAUX tablespaces in the seed PDB.
Incorrect:
Not D:a PDB can not have an undo tablespace. Instead, it uses the undo tablespace
belonging to the CDB.
Note:
* Example: CONN pdb_admin@pdb1
SELECT tablespace_name FROM dba_tablespaces;
TABLESPACE_NAME
SYSTEM SYSAUX TEMP USERS
SQL>

A: In certain situations, you may want to exclude selected columns or tables from scanning or conversion steps of the migration process.
D: Exceed column limit
The cell data will not fit into a column after conversion.
E: Need conversion
The cell data needs to be converted, because its binary representation in the
target character set is different than the representation in the current character
set, but neither length limit issues nor invalid representation issues have been
found.
* Oracle Database Migration Assistant for Unicode (DMU) is a unique next-generation migration
tool providing an end-to-end solution for migrating your databases from legacy encodings to
Unicode.
Incorrect:
Not C: The release of Oracle Database must be 10.2.0.4, 10.2.0.5, 11.1.0.7, 11.2.0.1, or later.

DBMS_FGA.add_policy
*The DBMS_FGA package provides fine-grained security functions.
*ADD_POLICY Procedure
This procedure creates an audit policy using the supplied predicate as the audit condition.
Incorrect:
Not C: object_schema
The schema of the object to be audited. (If NULL, the current log-on user schema is assumed.)

BY SESSION means:For any type of audit (schema object, statement, or privilege), BY SESSION inserts only one audit record in the audit trail, for each user and schema object, during the session that includes an audited action. AUDIT_TRAIL=db, extended meansPerforms all actions of AUDIT_TRAIL=db, and also populates the SQL bind and SQL text CLOB-type columns of the SYS.AUD$ table, when available. These two columns are populated only when this parameter is specified.