IBM C2090-544 : DB2 9.7 Advanced DBA for LUW

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IBM DB2 9.7 Advanced DBA for LUW Sample Questions:

1. At which two levels can events be audited? (Choose two.)

A) Operating System level
B) Server level
C) Instance level
D) Database level
E) Node level

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

3. A database named DB1 has a database partition group named MULTIPG that has been defined
across partitions 3, 4 and 5.
The DBA issues the following series of commands/SQL statements:
CONNECT TO db1;
SET CURRENT DBPARTITIONNUM 4;
ALTER DATABASE PARTITION GROUP multigp ADD DBPARTITIONNUM (6);
Which partition will DB2 use as a model for table spaces on partition 6?

A) catalog partition
B) partition 3
C) partition 4
D) partition 5

4. Which option of the REORG TABLE statement will release blocks that contain no rows from a multi-dimensional clustering (MDC) table?

A) RELEASE FREE EXTENTS ONLY
B) RELEASE FREE BLOCKS ONLY
C) RECLAIM EXTENTS ONLY
D) RECLAIM FREE BLOCKS

5. 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_PARALLEL_IO
B) DB2_EXTENDED_IO_FEATURES
C) DB2_RESOURCE_POLICY
D) DB2_APM_PERFORMANCE

Solutions: