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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. DataStage offers database connectivity through connectors, native parallel and plug-in stage types. Which two statements are correct? (Choose two.)

A) The connector stage offers better functionality and performance and is the best to use.
B) Next to the connector stage it is best to use the native parallel database stages.
C) ODBC API is a plug-in stage.
D) For maximum parallel performance, scalability, and features it is best to use the native parallel database stages.

2. 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 Ordered 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 SortMerge collector method for the input link of the final Sequential File stage.

3. What stage allows for more than one reject link?

A) Lookup stage
B) Merge stage
C) Peek stage
D) Funnel stage
E) Join stage

4. A job needs to split a single Data Set into three Data Sets based on conditions that are supplied at runtime. Which stage would allow you to parameterize the conditions for splitting the input data set?

A) Transformer stage
B) Switch stage
C) Split Vector stage
D) Filter stage

5. The DB2 and Oracle Enterprise stages support logged and non-logged DBMS table operations. What is the non-logged operation that is supported by the DB2 and Oracle Enterprise stages?

A) Delete
B) Update
C) Insert
D) Load

Solutions: