Question 1

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 2

Examine this command: SQL> ALTER TABLE ORDERS SHRINK SPACE COMPACT; Which two statements are true?

Options :

A : Dependent indexes become UNUSABLE.

B :

The SHRINK operation causes rows to be moved to empty space starting toward the end of the ORDERS segment.

C : Only queries are allowed on ORDERS while SHRINK is executing.

D : The high-water mark (HWM) of ORDERS is adjusted.

E : Queries and DML statements are allowed on ORDERS while the SHRINK is executing.

F :

The SHRINK operation causes rows to be moved to empty space starting from the beginning of the ORDERS segment.

Answer: E,F

Question 3

You execute this command: CREATE SMALLFILE TABLESPACE sales DATAFILE '/u01/app/oracle /sales01.dbf' SIZE 5G SEGMENT SPACE MANAGEMENT AUTO; Which two statements are true about the SALES tablespace?

Options :

A : Free space is managed using freelists.

B : It uses the database default block size.

C : It must be smaller than the smallest BIGFILE tablespace.

D : It is a locally managed tablespace.

E : Any data files added to the tablespace must have a size of 5 gigabytes.

Answer: B,D

Question 4

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 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

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