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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Records in a source file must be copied to multiple output streams for further processing. Which two conditions would require the use of a Transformer stage instead of a Copy stage? (Choose two.)

A) Converting some input columns from integers to strings.
B) Concatenating data from multiple input columns.
C) Directing selected output records down one output link rather than another.
D) Renaming one or more output columns.

2. Which of the following is not an ODBC connector property?

A) Remote server
B) Data source
C) Username
D) Password

3. A star schema data warehouse consists of four dimension tables and one fact table. How many Slowly Changing Dimensions (SCD) stages will you need in your jobs to update the star schema tables?

A) five
B) four
C) three
D) two

4. How must the input data set be organized for input into the join stage? (Choose two.)

A) Key partitioned
B) Unsorted
C) Sorted in ascending order
D) Hash partitioned
E) Entire partitioned

5. What two stages are required to place Header and Detail records, which have different formats, into a single format? (Choose two.)

A) Combine Stage
B) Column Import Stage
C) Column Export Stage
D) Funnel Stage

Solutions: