IBM DB2 C2090-614

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IBM C2090-614 Exam Syllabus Topics:

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

1. Consider the following statement:

Which indexes should be created for optimal query performance?

A) CREATE INDEX emp_idx ON employee (workdept); CREATE INDEX dept_idx ON department (deptno);
B) CREATE INDEX emp_idx ON employee (workdept) CLUSTER; CREATE INDEX dept_idx ON department (deptname, deptno);
C) CREATE INDEX emp_idx ON employee (workdept, lastname, job); CREATE INDEX dept_idx ON department (deptname, deptno);
D) CREATE INDEX emp_idx ON employee (lastname, job, workdept) CLUSTER; CREATE INDEX dept_idx ON department (deptname);

2. Which is NOT a valid method for prefetching data?

A) Sequential detection prefetching
B) Smart data prefetching
C) Read-ahead prefetching
D) Consecutive prefetching

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

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

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

5. What is a benefit of multi-temperature data storage?

A) It helps improve data compression ratios.
B) It helps reduce redundant I/O.
C) It helps identify data access patterns to aid in storage planning.
D) It helps reduce storage costs for infrequently accessed data.

Solutions: