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IBM A2090-303 Exam Syllabus Topics:

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

1. The derivation for a stage variable is: Upcase(input_column1) : ' ' : Upcase(input_column2). Suppose that input_column1 contains a NULL value. Assume the legacy NULL processing option is turned off. Which behavior is expected?

A) The input row is either dropped or rejected depending on whether the Transformer has a reject link.
B) The job aborts.
C) NULL is written to the target stage variable.
D) The target stage variable is populated with spaces or zeros depending on the stage variable data type.

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

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

3. Which option is required to identify a particular job player processes?Which option is required to identify a particular job? player processes?

A) Log onto the server and issue the command "ps -ef | grep ds".
B) Set $APT_PM_SHOW_PIDS to true.
C) Use the DataStage Director Job administration screen to display active player processes.
D) Set $APT_DUMP_SCORE to true.

4. Which derivations are executed first in the Transformer stage?

A) Loop variable derivations
B) Output column derivations
C) Stage variable derivations
D) Input column derivations

5. The effective use of naming conventions means that objects need to be spaced appropriately on the DataStage Designer canvas. For stages with multiple links,expanding the icon border can significantly improve readability. This approach takes extra effort at first, so a pattern of work needs to be identified and adopted to help development. Which feature of Designer can improve development speed?

A) Palette Layout
B) Repository Layout
C) Show Performance Statistics Feature
D) Snap to Grid Feature

Solutions: