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Which two statements are true about application containers? (Choose two.)

A. A regular PDB can be plugged in to an application container provided it is an Oracle Database 12c Release 2 (12.2) PDB.

B. An application root can be unplugged from a CDB and plugged in to another CDB.

C. An application PDB can belong to multiple application containers.

D. User-created common objects are accessible from the CDB root.

E. The application root stores user-created common objects and Oracle-supplied common objects.

F. Multiple application roots can be created in one container database.

The TESTDB container database (CDB) running in ARCHIVELOG mode contains two pluggable

databases (PDBs) PDB1 and PDB2. A connect descriptor for TESTDB is mapped to the TNS alias testdb

in tnsnames.ora.

The default RMAN configuration is used.

Examine these commands:

Which files are backed up?

A. all root and PDB1 data files, and the CONTROLFILE, SPFILE, and FLASHBACKLOGS

B. all root and PDB1 data files, and the CONTROLFILE, SPFILE, and ARCHIVELOGS

C. all root and PDB1 data files, and the CONTROLFILE and SPFILE

D. all root and PDB1 data files, and the CONTROLFILE, SPFILE, ONLINE REDO LOG FILES, and ARCHIVELOGS

E. all root and PDB1 data files

A CDB, CDB1, has a LOCATIONS application container.

NORTH_PDB and SOUTH_PDB are two application PDBs in LOCATIONS.

Both application PDBs are synchronized with the application installed in the LOCATIONS root...

In CDB2, you create a remote clone, LOC_R, of the LOCATIONS application root.

You want to query data across the LOCATIONS application PDBs created in CDB1 and CDB2.

How can you do this?

A. by creating a proxy PDB in LOCATIONS_ROOT in CDB1, referencing LOC_R

B. by creating a proxy PDB in CDB1 root, referencing LOC_R

C. by using private database links created in CDB1 and CDB2

D. by using public database links created in CDB1 and CDB2

E. by creating a proxy PDB in CDB2 root, referencing LOC_R

You create and enable a unified audit policy on a database that has the default auditing configuration.

The OE user, who has the DBA role, executes these statements.

What is true about the SELECT statement and why?

A. It is audited because unified auditing is disabled be default.

B. It is audited because, by default, the database is in mixed auditing mode with default policies enabled.

C. It is audited because, by default, all user activities in the database are audited.

D. It is not audited because the table belongs to another schema.

E. It is not audited because audit records are stored only when unified auditing is enabled in the database.

In a database on an Oracle Exadata Database machine, a DBA executes this command:

SQL> exec DBMS_INMEMORY_ADMIN.ENABLE_FASTSTART (`fs_tbs');

What is the result?

A. All columns for all tables in the FS_TBS tablespace are loaded into the In-Memory column store.

B. Any data in the In-Memory column store is copied in compressed columnar format to the FS_TBS tablespace.

C. Any data in the In-Memory column store is copied in uncompressed columnar format to the FS_TBS tablespace.

D. Any data in the In-Memory column store is copied in row major format to the FS_TBS tablespace.