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

Question 1

Which command CANNOT be used to create the compression dictionary for a table?

A. IMPORT
B. LOAD
C. RUNSTATS
D. INSPECT

Question 2

Which description is correct when discussing the DB2_MEM_TUNING_RANGE registry variable?

A. It is recommended that this variable be used to set the maximum percentage of memory that DB2 can use on the system.
B. It is recommended to set this variable only when using STMM, when DATABASE_MEMORY is set to AUTOMATIC, and if insufficient system memory problems are occurring.
C. It is recommended that this variable be enabled at all times in order to prevent DB2 from taking too much physical memory.
D. It is recommended to set this variable only when the Self-Tuning Memory Manager (STMM) is disabled.

Question 3

In which two environments would intra-partition parallelism be used? (Choose two.)

A. Multiple database partitions, single processor core
B. Single database partition, multiple processor cores
C. Single database partition, single processor core
D. Multiple database partitions, multiple processor cores

Question 4

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)

Question 5

Given a database with Self-Tuning Memory Manager (STMM) enabled, what will DB2 do when a new buffer pool is created using the IMMEDIATE option?

A. Attempt to create the buffer pool and immediately request additional memory from the operating system to allocate. If the operating system memory is not available, the buffer pool will not be created.
B. Attempt to create the buffer pool and immediately allocate the memory requested from available database shared memory. If the memory available is not sufficient, then allocation of the buffer pool will be deferred until the database is stopped and restarted.
C. Attempt to create the buffer pool and immediately request additional instance level memory. If the instance level memory is not available, then creation of the buffer pool is deferred until the database is stopped and restarted.
D. Attempt to create the buffer pool and immediately allocate the memory requested, resizing the existing buffer pools and heaps as required. If there is insufficient memory in the global memory allocation for DB2, the buffer pool will not be created.

Solutions: