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1z0-083 Exam Dumps : Oracle Database Administration II

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Oracle Database Administration II Questions and Answers

Question 1

Which three are true about managing memory components in an Oracle database instance? (Choose three.)

Options:

A.

With Automatic Shared Memory Management, the database instance can increase the Large Pool size by reducing the Shared Pool size.

B.

With Automatic Memory Management, the database instance can increase the System Global Area size by reducing the Program Global Area size.

C.

Automatically tuned and resized System Global Area components will always revert to their initial sizes after an instance restart.

D.

Automatic Memory Management must be used together with locking the System Global Area into physical memory.

E.

With Automatic Shared Memory Management, the database instance can increase the Program Global Area size by reducing the System Global Area size.

F.

On Line Transaction Processing systems often use less Program Global Area than Decision Support Systems.

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Question 2

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.

Question 3

Which two are true about Oracle Flashback features? (Choose two.)

Options:

A.

FLASHBACK QUERY can retrieve REDO records from ONLINE and ARCHIVE D REDO LOG files.

B.

FLASHBACK VERSION QUERY can retrieve REDO records from ONLINE and ARCHIVE D REDO LOG files.

C.

FLASHBACK TABLE can undrop a column.

D.

FLASHBACK DROP can undrop an index when undropping a table.

E.

After a database is restored from flashback logs using the FLASHBACK DATABASE command, it is sometimes rolled forward using redo logs.