Question 1

Which two statements are true about the configuration and use of UNDO?

Options :

A : Active UNDO is always retained.

B : Unexpired UNDO is always retained.

C : UNDO_RETENTION specifies for how long Oracle attempts to keep expired and unconsumed UNDO.

D : UNDO_RETENTION specifies how long all types of UNDO are retained.

E : UNDO_RETENTION specifies for how long Oracle attempts to keep unexpired UNDO.

Answer: A,E

Question 2

You unplugged a PDB to plug it into another CDB with the following command: SQL> ALTER PLUGGABLE DATABASE pdb1 UNPLUG INTO '/tmp/pdb1.pdb'; Which statement is true prior to plugging the PDB into the other CDB?

Options :

A : The PDB archive file must be copied to the target CDB.

B : The PDB manifest and all the datafiles must be copied to the target CDB.

C : PDB archive file and only the user-defined tablespaces must be copied to the target CDB.

D : The PDB manifest, the data files, and the PDB archive file must be copied to the target CDB.

Answer: D

Question 3

In one of your databases, the user HR has the password HRMGR. You want to connect to a database instance whose listener listens on port 1531 by using this statement: CONNECT HR/HRMGR@orcl. No name server is used. Which statement is true about ORCL?

Options :

A : It must be the name of the database to whose instance HR wishes to connect.

B : It must resolve to a valid connect descriptor in the client-s tnsnames.ora file.

C : It must be the name of the server running the database to whose instance HR wishes to connect.

D : It must resolve to a valid connect descriptor in the server-s tnsnames.ora file.

E : It must be the value of the SERVICE_NAMES parameter on the client side.

Answer: B

Question 4

Which three statements are true about row chaining and row migration done by Oracle database block space management?

Options :

A : A migrated row results in an update to any index on the table to point the row ID in the index to the row’s new location.

B : Update statements can result in one or more migrated rows.

C : Update statements can result in one or more chained rows.

D : Row pieces of a chained row must always reside in different blocks.

E : Insert statements can result in a migrated row.

Answer: A,B,C

Question 5

Which two statements are true about the tools used to configure Oracle Net Services?

Options :

A : The lsnrctl utility requires a listener.ora file to exist before it is started.

B : Enterprise Manager Cloud Control can be used to centrally configure net service names for any database server target.

C : The Oracle Net Configuration Assistant is only used when running the Oracle installer.

D : Oracle Net Manager can be used to locally configure naming methods on a database server.

E : Oracle Net Manager can be used to centrally configure listeners on any database server target.

Answer: B,D