Free Access Oracle.1Z0-083.v2022-07-24.q137 Practice Test (Page 25)

Question 116

Which two are facets of performance planning that should always be considered or implemented for an Oracle Database environment? (Choose two.)

A.the physical data model

B.using check constraints to speed up updates

C.the configuration of storage arrays

D.defining foreign keys for all tables to speed up joins

E.defining primary keys for all tables to speed up all queries

Question 117

Choose three. Your container database, CDB1, is in local undo mode. You successfully execute this command while connected to CDB1: CREATE PLUGGABLE DATABASE pdb1 ADMIN USER pdb1_admin IDENTIFIED BY pdb123 ROLES= (CONNECT) CREATE_FILE_DEST='/u01/app/oracle/oradata/cdb1/pdb1' ; Which three are true about PDB1?

A.It has the same common users defined as does CDB1.

B.Service PDB1 is created for remote logins to PDB1.

C.It has the same number of roles as CDB1.

D.It has no local users.

E.It is in mount state after creation.

F.It has only local roles.

Question 118

Which two are true about common objects? (Choose two.)

A.They can exist in CDB$ROOT and an application root.

B.They can exist in user-defined schemas only in application containers.

C.They can be created only in an application root.

D.They can be extended data-linked in CDB$ROOT.

E.They can be created only in CDB$ROOT.

F.They can be only metadata-linked in an application container.

Question 119

Which two are true about RMAN Multisection backups when a very large data file is divided into four sections?
(Choose two.)

A.The four sections can be created serially.

B.Each of the file sections must be processed serially.

C.The four sections must be contained in backup sets.

D.The four sections must be image copies.

E.The four sections can be created in parallel.

Question 120

A container database (CDB) contains two pluggable databases PDB1 and PDB2.
The local_undo_enabled database property is set to false in the CDB.
Data file 24 of PDB2 was deleted and you need to restore and recover it.
The only RMAN backup that exists was created with the backup database command while connected to CDB$ROOT.
Which three are true?

A.Data file 24 can be recovered only while connected to PDB2.

B.Data file 24 can be recovered while connected to PDB2.

C.Data file 24 can be restored only while connected to CDB$ROOT.

D.Data file 24 can be restored and recovered while connected to CDB$ROOT.

E.Data file 24 can be recovered while connected to CDB$ROOT.

F.Data file 24 can be restored only while connected to PDB2.

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