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IBM InfoSphere DataStage v8.5 Sample Questions:

1. Which of the following describes what happens when Runtime Column Propagation is enabled?

A) An input column value flows into a target column only if it is explicitly mapped to it.
B) An input column value flows into a target column based on its position in the input row. For example, first column in the input row goes into the first target column.
C) An input column value flows into a target column only if it matches it by name.
D) An input column value flows into a target column based on its position in a Schema file.

2. When you configure a domain for source code integration a source control workspace is created. What are two reasons for the source control workspace? (Choose two.)

A) local transfer area for assets being submitted to the source control system
B) directory for deployment package files
C) default directory for istool exports.
D) provides a place to store the archive created by IS source code control integration

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

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

4. Which two job design techniques can be used to provide unique names to sequential output files that are used in multi-instance jobs? (Select two)

A) Prepend/append the Invocation ID to the file name.
B) Use parameters to identify file names.
C) Create the file name(s) from values contained in a value file.
D) Use the file name(s) from values contained in the data stream.

5. You have a 3TB dataset hash-partitioned on CustID in a clustered environment. You need to join this dataset with 1GB of reference data on OrderID. Which technique is most appropriate?

A) Use Lookup stage, select auto partitioning for both link.
B) Use Lookup stage, select auto partitioning for the stream link and hash-partition the reference link on CustI
C) Use Lookup stage, select auto partitioning for the stream link and entire partitioning for the reference link.
D) Use Join stage, hash-partition and sort both link on OrderID.

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