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IBM C2090-544 Exam Syllabus Topics:

IBM DB2 9.7 Advanced DBA for LUW Sample Questions:

1. Which statement about compression and temporary tables is NOT correct?

A) Compression is only applied to created temporary tables that were defined with the CREATE TEMPORARY TABLE ?COMPRESS YES statement.
B) The minimum size that a table must be before compression is used is larger for temporary tables than for regular tables.
C) When executing queries that require temporary tables, DB2 considers the storage savings and the impact to query performance to determine whether compression is worthwhile.
D) The explain facility and the db2pd utility can be used to determine whether a temporary table has been compressed.

2. What determines the degree of inter-partition parallelism used?

A) The value of the INTER_PARALLEL Database Manager configuration parameter.
B) The number of database partitions and the definition of partition groups.
C) The value of the DFT_DEGREE database configuration parameter.
D) The number of database connections and the definition of partitions groups.

3. Your UNIX system administrator has indicated that there appears to be a lot of I/O wait time associated with your database, which is stored in a 7+p RAID array. An investigation reveals the following information: DB2_PARALLEL_IO=*
Tablespace with ID 7 has a single container and is dedicated to the largest table. It has a page size of 16K, an extent size of 32, and a prefetch size of 64.
Which setting would optimize I/O for the largest table?

A) DB2_PARALLEL_IO=7:7
B) DB2_PARALLEL_IO=7:16
C) DB2_PARALLEL_IO=7:32
D) DB2_PARALLEL_IO=7:64

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

5. Given the following table spaces, their associated page size, and number of pages:

Which sets of buffer pools will ensure that all of the data in the table spaces will be fit into memory for optimal data access?

A) IBMDEFAULTBP - 16K page size, 85000 pages
B) IBMDEFAULTBP - 4K page size, 25000 pages BP1 -16K page size, 20000 pages
C) BP1 - 4K page size, 30000 pages BP2 - 8K page size, 20000 pages BP3 - 16K page size, 15000 pages
D) BP1 - page size 8K, 45000 pages

Solutions: