IBM A2090-614 : Assessment: DB2 10.1 Advanced DBA for LUW

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IBM Assessment: DB2 10.1 Advanced DBA for LUW Sample Questions:

1. Which statement about block indexes is correct?

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

2. Which tool provides the simplest method for monitoring buffer pool hit ratios?

A) The BP_WRITE_IO administrative view.
B) The MON_GET_PAGE_ACCESS_INFO table function.
C) The BP_HITRATIO administrative view.
D) The MON_GET_BUFFERPOOL table function.

3. Which statement about the initiation of parallel I/O is correct?

A) For list prefetching, each list of data pages is divided into smaller lists according to extent boundaries and assigned to different I/O servers.
B) For sequential prefetching, parallel I/O is initiated when the extent size is a multiple of the prefetch size for a table space. Each prefetch request is divided into smaller requests and assigned to different I/O servers.
C) For sequential prefetching, parallel I/O is initiated when the prefetch size is a multiple of the extent size for a table space. Each prefetch request is divided into smaller requests and assigned to different I/O servers.
D) For read-ahead prefetching, each list of data pages is divided into smaller lists according to extent boundaries and assigned to different I/O servers.

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

5. A DBA wants to create a set of tables in a storage group named SG_1, but no table spaces have been assigned to this group. What kind of table spaces must the DBA assign to the storage group before the desired tables can be created?

A) Database managed space (DMS) table spaces that use FILE containers
B) Database managed space (DMS) table spaces that use RAW containers
C) Automatic storage (AS) table spaces
D) System managed space (SMS) table spaces

Solutions: