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Q31. Your database instance is running. You are not able to access Oracle Enterprise Manager Database Control because the listener is not started.

Which tool or utility would you use to start the listener?

A. Oracle Not Manager

B. listener Control utility

C. Database Configuration Assistant

D. Oracle Net configuration Assistant

Answer: B


Q32. Which two statements ate true regarding the sever parameter file? (Choose two)

A. It can be edited manually.

B. It can be modified only by the server.

C. Its settings are persistent across shutdown and startup.

D. It must be maintained on the server and client machines.

Answer: B,C


Q33. Your database instance in running.db01 is a net service name. You issue a connection request

using the following command:

SQL> CONNECT scott/tiger@db01

Which component receives the request and establishes the appropriate connection?

A. listener

B. user process

C. service name

D. server process

Answer: A


Q34. Which two statements are true regarding undo data records? (Choose two.)

A. They are required to support Flashback features.

B. I hey are not required if Flashback features are enabled.

C. They are retained until the session making the changes ends.

D. Undo records contain copies of data as it appears after a change is made.

E. Undo records contain copies of data as it appears before a change is made.

Answer: A,E


Q35. You want to change your database by adding some new columns to a particular tale. These new columns represent new data that is not accessed by the current application.

Which approach would be the simplest in making these changes?

A. Use edition-based redefinition to create a new version of the table.

B. Add the columns to the table, since dependent objects will not be affected.

C. Encompass all access to these columns in separate PL/SQL procedures to avoid dependency issues.

D. Add the columns to a different table and create a view to access the joined result.

Answer: A


Q36. Which two statements are true regarding the usage of integrity constraints? (Choose two.)

A. l EM h column can have only one constraint.

B. Primary key constrain) can consist of multiple columns from the same table.

C. Foreign key column can reference e a primary key column in the same of or different tables.

D. More than one row in a table cannot contain null value In a column with unique constraint.

E. A chock constraint can enforce conditions that refer to the values in other columns in the table.

Answer: B,C


Q37. Which two statements are true regarding the Undo Retention Settings? (Choose two.)

A. Enabling Retention Guarantee ensures that only long-running Queries do not fail.

B. Undo Retention Indicates the time period for which committed transaction data is retained.

C. Enabling Retention Guarantee ensures that long running queries and transactions do not fail.

D. Undo Retention indicates the time period or which uncommitted transaction data is retained.

Answer: B,C


Q38. There are two listeners, LISTENER1 and LISTENER2, and one service name ORCL available for your database.The database is running and currently only LISTENERI has been started. You issue the following command:

$lsnrctl start listener2

What would be the outcome?

A. It would start the second listener without affecting the current sessions.

B. It would start the second listener and terminate all the current sessions.

C. It would give an error because multiple listeners cannot run simultaneously.

D. It would give an error because multiple listeners can run simultaneously only if there are multiple net service names.

Answer: A


Q39. Whit h two of the following tasks must you perform in order to benefit from the SQL. Query Result Cache?

A. Use a SQL_QUERY_RESULT_CACHEhint in your SQL statement.

B. Set RESULT_CACHE_MODE to FORCE

C. Make sure the RESULT_CACHE_MAX_SIZE is greater than 0.

D. Have SQL statements that are executed repeatedly.

E. Use temporary tables.

F. Not use bind variables in your query.

Answer: A,C


Q40. Which two statements are true regarding point-in-time recovery? (Choose two.)

A. It requires the SPFILE.

B. It requires the control file.

C. It uses only online redo logs.

D. It uses both archivelog and online redo logs.

Answer: B,C