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IBM DB2 10.1 Advanced DBA for Linux UNIX and Windows Sample Questions:

1. A database named TEST was created and two buffer pools named BP_GENERAL and BP_AUDITING were created as follows:

IBM 000-614 : Practice Test
The majority of the database tables were created in table space TS1, while one large table was created in table space TS2. A set of triggers thatThe majority of the database tables were created in table space TS1, while one large table was created in table space TS2. A set of triggers that would populate the table in table space TS2 each time changes were made to the database were then defined and the database was put into production.
At first, ad-hoc queries performing random I/O against the table in table space TS2 ran fine, but performance has gotten worse as the table has gotten larger. What should be done to improve query performance?

A) Increase the size of the BP_AUDITING buffer pool.
B) Replace the BP_AUDITING buffer pool with a block-based buffer pool.
C) Change the page size of the BP_AUDITING buffer pool to 16 or 32 K.
D) Reduce the size of the BP_AUDITING buffer pool.

2. What statement regarding Asynchronous index cleanup (AIC) is correct?

A) AIC activates a newly attached partition after the index entries have been synchronized.
B) AIC is initiated if a range-partitioned table contains one or more nonpartitioned indexes.
C) AIC will not be initiated if a range-partitioned table has dependent materialized query tables (MQTs).
D) AIC removes all invalid index entries that refer to the attached partitions.

3. If the following commands complete successfully for a single partition database: CREATE DATABASE mydb; CREATE BUFFERPOOL mybp; Which statement is true?

A) The page size for the MYBP buffer pool can be changed using the ALTER BUFFERPOOL statement.
B) The initial size for the MYBP buffer pool is zero pages.
C) Self tuning is enabled for the MYBP buffer pool.
D) The database has to be restarted before the MYBP buffer pool will become active.

4. Which statement about block indexes is correct?

A) Prefetching of data pages relies on sequential detection when block indexes are used.
B) Because of their large size, block indexes are extremely efficient.
C) The records for each block are retrieved using a mini-relational scan of saved data pages.
D) Block indexes improve performance when data is not clustered on sequential pages.

5. Which Range-Clustered Tables (RCT) statement is correct?

A) Reverse scans on RCTs are not supported.
B) The IMPORT utility can be used with the REPLACE option to populate RCTs.
C) Clustering indexes are compatible with RCTs.
D) The Design Advisor can recommend the use of RCTs.

Solutions: