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IBM DB2 9.7 Advanced DBA for LUW Sample Questions:

1. What are two authorities and/or privileges required for replaying SQL audit logs? (Choose two.)

A) EXECUTE privilege on audit routines with DATA
B) DBADM authority
C) SYSADM authority
D) SECADM authority
E) EXECUTE privilege on audit routines with NO DATA

2. A journaling application inserts data with continually increasing sequential keys while a clean up process randomly deletes erroneous rows. What can be done to maximize insert performance?

A) Issue a db2set DB2MAXFSCRSEARCH=1024 command.
B) Issue a db2set DB2SKIPDELETED=ON command.
C) Issue an ALTER TABLESPACE EXTEND statement.
D) Issue an ALTER TABLE APPEND ON statement.

3. A DBA migrating an existing database to DB2 9.7 wants to allow the primary and secondary recovery logs to be used with non-buffered IO. Which statement is true?

A) The DB2_LOGGER_AUTO_BUFFERED registry variable must be set to YES.
B) The DB2_LOGGER_BUFFERED registry variable must be set to OFF.
C) This behavior is automatically enabled by default.
D) The DB2_LOGGER_NON_BUFFERED_IO registry variable must be set to AUTO.

4. How can a DBA validate that an existing backup was compressed?

A) Check the output from the command LIST HISTORY BACKUP ALL FOR the database.
B) Check the header information of the backup file using db2ckbkp.
C) Check the value of the COMPRESS_BACKUP database configuration setting.
D) Check the value of the DB2_COMPRESS_BACKUP registry variable.

5. What steps, in the correct order, are performed by the SQL and XQuery compilers to generate executable code for non-federated queries?

A) parse query; rewrite query; check semantics; pushdown predicates; execute access plan
B) check semantics; parse query; build access plan; pushdown predicates; execute access plan
C) parse query; check semantics; rewrite query; build access plan
D) check semantics; parse query; rewrite query; build access plan

Solutions: