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

1. Which DB2 to InfoSphere DataStage data type conversion is correct when reading data with the DB2 Connector stage?

A) XML to SQL_WVARCHAR
B) CHAR FOR BIT DATA to SQL_VARBINARY
C) VARCHAR, 32768 to SQL_VARCHAR
D) BIGINT to SQL_BIGINT (INT32)

2. Modular development techniques should be used to maximize re-use of DataStage jobs and components. Which statement represents Modular Development techniques?

A) Create a standard directory structure inside of the DataStage project directory for source and target files.
B) Hard code the Invocation ID to improve development process.
C) Job parameters should be used in Job Names.
D) Job parameterization allows a single job design to process similar logic instead of creating multiple copies of the same job.

3. What are two properties dependent of both Column for Calculation and Summary Column for Recalculation? (Choose two.)

A) Missing Value
B) Mean Deviation
C) Sum of Squares
D) Summary
E) Coefficient of Variation

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

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

5. You are editing the configuration file. Which statement is true about file system efficiency?

A) In a clustered environment where NAS is used for a common storage, you must specify the internal disk for scratch disk.
B) Creating scratch disk spaces on an internal disk rather than on an NFS drive improves sort performance.
C) Using multiple scratch spaces in a logical node improves performance.
D) For the resource disk, it is best to use the partition where the engine is installed.

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