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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. A job design consists of an input SequentialFile stage, followed by a Peek stage, a Transformer stage, a Sort stage and finally an output Dataset stage. The job executes on an SMP system with a configuration file defined with 4 nodes.
The environment variable $APT_DISABLE_COMBINATION is set to "True". How many processes will this job create?

A) 19
B) 21
C) 17
D) 12

2. Which environment variable determines where the temporary scores are stored?

A) APT_JOB_MON
B) APT_HIGH_SCORE
C) APT_SAVE_SCORE
D) APT_DUMP_SCORE

3. How is DataStage Table Metadata shared among DataStage projects?

A) Use the Import/Export Manager to move the DataStage Table Definition to the projects where it is needed.
B) Export DataStage Table Definitions from one project and importing them into another project.
C) Import another copy of the table metadata into the project where it is required.
D) Use the "Shared Table Creation Wizard" to create a copy of the table in the shared repository.
E) DataStage Tables cannot be shared between projects.

4. How are Shared Table definitions created from the DataStage Client?

A) Using the "Save" button on the columns tab on the Stage/Link editor
B) Using the "Save" button on the "Table Properties" panel
C) No need to, DataStage table definitions are automatically saved as shared metadata.
D) Using the "Shared Table Creation Wizard" from the DataStage Client.
E) This cannot be done from the DataStage Client

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

Solutions: