053(八）

36.Which two statements are true regarding the functionality of the remap command in ASMCMD? (Choose two.)
A. It repairs blocks that have read disk I/O errors.
B. It checks whether the alias metadata directory and the file directory are linked correctly.
C. It repairs blocks by always reading them from the mirror copy and writing them to the original location.
D. It reads the blocks from a good copy of an ASM mirror and rewrites them to an alternate location on disk if the blocks on the original location cannot be read properly.

37.During the installation of Oracle Database 11g, you do not set ORACLE_BASE explicitly. 
You selected the option to create a database as part of the installation. 
How would this environment variable setting affect the installation? 
A. The installation terminates with an error.
B. The installation proceeds with the default value without warnings and errors.
C. The installation proceeds with the default value but it would not be an OFA-compliant database.
D. The installation proceeds with the default value but a message would be generated in the alert log file.

38.The SQL Tuning Advisor configuration has default settings in your database instance. 
Which recommendation is automatically implemented after the SQL Tuning Advisor is run as part of the automatic maintenance task?
A. statistics recommendations
B. SQL Profile recommendations
C. Index-related recommendations
D. restructuring of SQL recommendations

A. Accept the recommended SQL profile.
B. Collect statistics for the related objects.
C. Run the Access Advisor for the SQL statement.
D. Run the Segment Advisor for recommendations.

40.Evaluate the following code:
SQL>VARIABLE task_name VARCHAR2(255); SQL>VARIABLE sql_stmt VARCHAR2(4000); 
SQL>BEGIN :sql_stmt := ‘SELECT COUNT(*) FROM customers 
WHERE cust_state_province =‘‘CA‘‘‘;
:task_name := ‘MY_QUICKTUNE_TASK‘;
DBMS_ADVISOR.QUICK_TUNE(DBMS_ADVISOR.SQLACCESS_ADVISOR,
:task_name, :sql_stmt);
END;
What is the outcome of this block of code?
A. It creates a task and workload, and executes the task.
B. It creates a task and workload but does not execute the task.
C. It produces an error because a template has not been created.
D. It produces an error because the SQL Tuning Set has not been created.