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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. A job design consists of an input sequential file, a Modify stage, followed by a Filter stage and an output SequentialFile stage. The job is run on an SMP machine with a configuration file defined with three nodes. No environment variables were set for the job. How many osh processes will this job create?

A) 16
B) 9
C) 8
D) 11

2. Records in a source file must be aggregated for further processing. Which two conditions would require the use of a Transformer stage instead of or in addition to an Aggregator stage? (Choose two.)

A) The data hasn't been sorted or grouped.
B) Aggregation results outside of a certain range need to be flagged as abnormal.
C) The aggregation is a custom formula for your enterprise.
D) A global aggregation across all partitions is needed.

3. Which two statements are accurate regarding usage of database stages? (Choose two.)

A) Plug-in stages match columns by name.
B) Native database stages match columns by name.
C) Database stages cannot create tables and must be done externally.
D) DataStage provides native Oracle database stages.

4. Which two job design techniques can be used to provide unique names to sequential output files that are used in multi-instance jobs? (Select two)

A) Create the file name(s) from values contained in a value file.
B) Use the file name(s) from values contained in the data stream.
C) Prepend/append the Invocation ID to the file name.
D) Use parameters to identify file names.

5. You have a DataStage job on SMP environment. It contains an input sequential file, a Modify stage, followed by a Transformer stage, and an output Sequential File stage. The job is run with three nodes. The engine uses all default settings. How many processes will this job create?

A) 16
B) 19
C) 12
D) 9

Solutions: