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IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:

1. If you know that the table space containers for your database reside on RAID-5 3+p arrays, which registry variable should be assigned the value *:3 to help improve performance?

A) DB2_EXTENDED_IO_FEATURES
B) DB2_APM_PERFORMANCE
C) DB2_RESOURCE_POLICY
D) DB2_PARALLEL_IO

2. A partitioned instance named DB2INST1 uses the following db2nodes.cfg file:
If the CREATE DATABASE command is executed on server C, which partition will be the catalog partition?

A) 1
B) 6
C) 0
D) 4

3. Table T1 was created by executing the following statement:

Immediately after creation, table T1 was populated with 10 rows. Later, user USER1 ran an application that inserted 100,000 rows into table T1. The following query is frequently ran against the T1 table:
SELECT deptno, empno, deptname FROM t1 WHERE deptno = 'EN' AND empno = '123' Assuming current statics exist for the table and index, which index will provide optimal performance for this query?

A) CREATE INDEX idx1 ON t1 (deptno)
B) CREATE INDEX idx1 ON t1 (deptno) INCLUDE (empno)
C) CREATE INDEX idx1 ON t1 (deptno, empno)
D) CREATE INDEX idx1 ON t1 (deptno, empno) INCLUDE (deptname)

4. A database recovery operation (RECOVER DATABASE) failed during the roll forward phase. The DBA wants to force the RECOVER DATABASE to redo the restore phase. What must occur to accomplish this?

A) The RECOVER DATABASE operation must be terminated and a new RECOVER DATABASE command must be issued.
B) A RECOVER DATABASE command must be re-issued with the REPLACE option specified.
C) A RECOVER DATABASE command must be issued with the TO END OF LOGS option specified.
D) A RECOVER DATABASE command must be issued with the RESTART option specified.

5. Which method should be used to construct an LBAC security component that represents a person's level of trust?

A) SET
B) ORDER
C) TREE
D) ARRAY

Solutions: