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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. A job validates credit card numbers with a reference file using a Join stage, which is hash partitioned by card number. Examination of Job Monitor reveals that some partitions process many more rows than others. Assuming adequate hardware resources, which action can be used to improve the performance of the job?

A) Replace the Join with a Merge stage.
B) Use Round Robin partitioning on the stream and Entire partitioning on the reference.
C) Break the input file into multiple files.
D) Alter the number of partitions in the $APT_CONFIG_FILE.

2. What are two ways to specify a stylesheet in an XML input stage? (Choose two.)

A) On the output link columns properties tab, type the stylesheet in the XLST box.
B) On the output link advanced properties tab, load the content or path of a stylesheet that is stored on the engine tier host.
C) On the output link columns properties tab, identify an input column that contains the stylesheet URL.
D) On the output link advanced properties tab, type the stylesheet in the Stylesheet box.

3. What are two fundamental functions of the Information Server Source Code Integration based on the Eclipse Team framework? (Choose two.)

A) Rollback Changes
B) Replace from Source Code Control Workspace
C) Commit Changes
D) Send to Source Code Control Workspace

4. 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 full job description can be identified within the Description Annotation stage.
C) The background for the Description Annotation stage can be changed for each unique stage.
D) The Description Annotation stage contains both the short and full descriptions for the job.

5. Which two statements are true about Transformer loop processing? (Select two)

A) Loop variable expressions are executed before output link column expressions.
B) Loop variable expressions are executed before stage variable expressions.
C) Loop conditions are evaluated once for each input row.
D) Stage variables can be referenced in loop conditions.

Solutions: