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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Which two statements are true about the use of named node pools? (Choose two.)

A) Named node pools can allow separation of buffering from sorting disks.
B) Clustered environments must have named node pools for data processing.
C) Named node pools constraints will limit stages to be executed only on the nodes defined in the node pools.
D) Using appropriately named node pools forces DataStage to use named pipes between stages.

2. If you do not alter any of the Format settings, the Sequential File stage will produce a file with what three types of format? (Choose three.)

A) All columns are delimited by a comma, except for the final column in a row.
B) Rows are delimited by a DOS newline.
C) Variable length columns are contained within double quotes.
D) Rows are delimited by a UNIX newline.
E) All columns are delimited by a comma.

3. You have a dataset that is range-partitioned and sorted. Which technique is most efficient to create globally sorted data file?

A) Insert Funnel stage before the final Sequential File stage and select Sequence as Funnel Type.
B) Select SortMerge collector method for the input link of the final Sequential File stage.
C) Insert Funnel stage before the final Sequential File stage and select Sort Funnel as Funnel Type.
D) Select Ordered collector method for the input link of the final Sequential File stage.

4. You have a parallel shared container that is used by other parallel jobs within your project. Part of the logic in this shared container has been changed. Which two statements are true regarding this change to the parallel shared container? (Choose two.)

A) Jobs using this parallel shared container need to be re-compiled.
B) Jobs using this parallel shared container need to be re-compiled only when the metadata of the container is changed.
C) Use usage analysis and multi-compile to re-compile job using this shared container.
D) You can create a sequencer to re-compile all of the routines using this shared container.

5. Which two statements are true about DataStage parallel routines? (Choose two.)

A) Parallel routines are coded within a DataStage Designer editor.
B) Parallel routines created as shared library functions are not supported.
C) Parallel routines are written in DataStage Basic.
D) Parallel routines can be written that are called from within the Transformer stage.
E) Parallel routines can be written that are called before or after a stage runs.

Solutions: