IBM Assessment: InfoSphere DataStage v8.5 : A2090-421

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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Which statement is true about the Web Services Pack?

A) Web Services Pack generates a WSDL.
B) Web Services Pack makes a service request using SOAP.
C) Web Services Pack is configured from within the Information Services Director application.
D) Web Services Pack communicates by Enterprise Java Beans.

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

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

3. What are two advantages of using Runtime Column Propagation (RCP)? (Choose two.)

A) Columns not specifically used in the flow are propagated as if they were.
B) Only columns that are defined as VarChar need RCP enabled.
C) Only columns used in the data flow need to be defined.
D) RCP is not a feature of DataStage.
E) Sequential files don't require schema files when using RCP.

4. In a Transformer, which two of the following mappings can be handled by default type conversions. (Select two)

A) Integer input column mapped to string output column.
B) String input column mapped to a data output column.
C) Integer input column mapped to raw output column.
D) Date input column mapped to a string output column.
E) String input column mapped to integer output column.

5. Which three statements are true about stage variables in a Transformer Stage? (Choose three.)

A) Varchar stage variables can be initialized with spaces.
B) The expression executed for a stage variable can refer to a stage variable which is executed later.
C) A stage variable in one Transformer can refer to a stage variable in another Transformer, as long as the second Transformer was processed earlier in the job flow.
D) Stage variables are refreshed with default values before each new input row is processed.
E) Stage variables can be set to NULL.

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