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IBM InfoSphere DataStage v8.5 Sample Questions:

1. In a Transformer, which two of the following mappings can be handled by default type conversions. (Select two)

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

2. A DataStage job uses an Inner Join to combine data from two source parallel datasets that were written to disk in sort order based on the join key columns. Which two methods could be used to dramatically improve performance of this job? (Choose two.)

A) Unset the Preserve Partitioning flag on the output of each parallel dataset.
B) Explicitly specify hash partitioning and sorting on each input to the Join stage.
C) Set the environment variable $APT_SORT_INSERTION_CHECK_ONLY.
D) Add a parallel sort stage before each Join input, specifying the "Don't Sort, Previously Grouped" sort key mode for each key.
E) Disable job monitoring.

3. You are asked by management to document all jobs written to make future maintenance easier. Which two statements are true about annotations? (Choose two.)

A) The Description Annotation stage can be added several times at different locations to identify business logic.
B) The background for the Description Annotation stage can be changed for each unique stage.
C) The full job description can be identified within the Description Annotation stage.
D) The Description Annotation stage contains both the short and full descriptions for the job.

4. You are running a DataStage job using a 2-node configuration file. How can a fixed-width single sequential file be read in parallel? (Choose two.)

A) Set the "Number of Readers per Node" optional property to a value greater than 1.
B) Set the "Read From Multiple Nodes" optional property to a value greater than 1.
C) Use an external Source stage.
D) Set the Execution Mode to the SequentialFile stage to "Parallel".
E) Specify a node constraint for the SequentialFile stage.

5. You are setting up project defaults. Which three items can be set in DataStage Administrator? (Choose three.)

A) default for Runtime Column Propagation
B) defaults for environment variables
C) suite roles
D) default for compile options
E) default prompting options, such as Autosave job before compile

Solutions: