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

1. What are two statistics or attributes that can be added to the output of a Data Rule stage? (Choose two.)

A) Number of violations
B) Job execution owner
C) System timestamp
D) Percentage of violations
E) Record ID

2. A job design consists of an input Sequential Files stage, a Sort stage, followed by a Transformer stage and an output Sequential File stage. In the input Sequential Files stage, the "Number of readers per node" property has been set to 3. The job is run on an SMP machine with a configuration file defined with 3 nodes. The $APT_DISABLE_COMBINATION variable is set to True. How many player processes will this job generate?

A) 12
B) 6
C) 10
D) 8

3. You are experiencing performance issues for a given job. You are assigned the task of understanding what is happening at run time for that job. What step should you take to understand the job performance issues?

A) Run the job with $APT_DUMP_SCORE set to true.
B) Replace Transformer stages with custom operators.
C) Run the job with $APT_TRACE_RUN set to true.
D) Replace Join stages by Lookup stages.

4. Which job design technique can be used to give unique names to sequential output files that are used in multi-instance jobs?

A) Use DSJoblnvocationID to generate a unique filename.
B) Use a Transformer stage variable to generate the name.
C) Use parameters to identify file names.
D) Generate unique file names by using a macro.

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

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

Solutions: