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IBM A2090-303 Exam Syllabus Topics:

IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:

1. Which two environment variables add additional reporting information in the job log for DataStage jobs? (Choose two.)

A) $APT_EXPORT_FLUSH_COUNT
B) $OSH_EXPLAIN
C) $APT_PM_STARTUP_CONCURRENCY
D) $APT_IO_MAP
E) $APT_STARTUP_STATUS

2. In a Transformer, which two mappings can be handled by default type conversions. (Choose two.)

A) Integer input column mapped to string output column.
B) Date input column mapped to a string output column.
C) String input column mapped to integer output column.
D) String input column mapped to a date output column.
E) Integer input column mapped to raw output column.

3. Which statement is true about improving job performance when using Balanced Optimization?

A) Convert a job to use bulk staging tables for Big Data File stages.
B) If the job contains an Aggregator stage, data reduction stages will be pushed into a target data server by default.
C) To ensure that a particular stage can only be pushed into a source or target connector, you can set the Stage Affinity property to source or target.
D) Balance optimization attempts to balance the work between the source server, target sever, and the job.

4. What are the valid join operations for the Join stage? (Choose two.)

A) Right outer join
B) Where join
C) Inner join
D) Top outer join
E) Bottom inner join

5. You are assigned to correct a job from another developer. The job contains 20 stages sourcing data from two Data Sets and many sequential files. The annotation in the job indicates who wrote the job and when, not the objective of the job. All link and stage names use the default names. One of the output columns has an incorrect value which should have been obtained using a lookup. What could the original developer have done to make this task easier for maintenance purposes?

A) Name all stage and links the same.
B) Indicate all stage names within the job annotation.
C) Name all stages and links based on what they do.
D) Name all stage and links with column names and ideas.

Solutions: