IBM InfoSphere DataStage v8.5 : C2090-421

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IBM C2090-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

1. Which two features of Data Sets make them suitable for job restart points? (Choose two.)

A) They are indexed to improve access.
B) They use the same data types as the parallel framework.
C) They are persistent.
D) They are compressed to minimize storage space.

2. In a Transformer expression for a stage variable, there is a nullable input column. What happens when a row is processed that contains NULL in that input column?

A) NULL is written to the stage variable.
B) The value written to the stage variable is undetermined.
C) The row is rejected.
D) The job aborts.

3. Which three of the following actions are available when editing a message handler? (Select three)

A) Suppress from job log
B) Demote to warning
C) Promote to warning
D) Demote to informational
E) Abort Job

4. You have a parallel shared container that is used by other parallel jobs within your project. Part of the logic in this shared container has been changed. Which two statements are true regarding this change to the parallel shared container? (Choose two.)

A) You can create a sequencer to re-compile all of the routines using this shared container.
B) Jobs using this parallel shared container need to be re-compiled.
C) Use usage analysis and multi-compile to re-compile job using this shared container.
D) Jobs using this parallel shared container need to be re-compiled only when the metadata of the container is changed.

5. External data conversions fall in two major types - automatic and manual. What are the three automatic conversions? (Select three)

A) Sequential File stage
B) Relational data
C) Modify operator
D) Flat Text files
E) SAS data

Solutions: