IBM A2090-303 Exam : Assessment: IBM InfoSphere DataStage v9.1 Assessment

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IBM A2090-303 Exam Syllabus Topics:

IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:

1. The ODBC stage can handle which two SQL Server data types? (Choose two.)

A) Datetime
B) Date
C) GUID
D) Time
E) SmallDateTime

2. Which two parallel job stages allow you to use partial schemas? (Choose two.)

A) Data Set stage
B) Column Export stage
C) File Set stage
D) Peek stage
E) External Target stage

3. In the Slowly Changing Dimension stage, a dimension columns Purpose code property can trigger which two actions. (Choose two.)

A) Update the dimension table.
B) Insert rows into the fact table.
C) Delete duplicate dimension table rows.
D) Detect dimension changes.
E) Update fact table keys.

4. A job validates account numbers with a reference file using a Join stage, which is hash partitioned by account number. Runtime monitoring 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) Add a Sort stage in front of the Join stage. Sort by account number.
D) Change the number of nodes in the configuration file.

5. You are asked by management to document all jobs written to make future maintenance easier. Which statement is true about annotations?

A) The Description Annotation stage contains both the short and full descriptions for the job.
B) The short 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 can be added several times at different locations to identify business logic.

Solutions: