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IBM Certified Solution Developer - IBM InfoSphere DataStage Sample Questions:

1. Which statement is true about creating DataStage projects?

A) After installation DataStage projects can be created in DataStage Administrator.
B) After installation DataStage projects can be created in the Information Server Web Console.
C) After installation only DataStage developers can create DataStage projects.
D) DataStage projects cannot be created during DataStage installation.

2. You are asked to optimize the fork join job design in the exhibit. This job uses the sort aggregator and a left outer join on the ZIP code column. Currently all partitioning is set to "Auto" and automatic sort insertion is allowed.

Which change will reduce the cost of partitioning that occurs in this job?

A) Hash partition and sort on ZIP code column on the input links to the Aggregator and Join stages.
B) Hash partition and sort on ZIP code column prior to the Copy stage and use entire partitioning on the Aggregator and Join stages.
C) Use Entire partitioning on the input links to the Aggregator and Join stages.
D) Hash partition and sort on ZIP code column prior to the Copy stage, and use same partitioning on the Aggregator and Join stages.

3. You are using the Change Capture stage in your job design to identify changes made to the input link (before image) to obtain the results in the output link. This job will be using a multi-node configuration file when executed. What are two requirements on the input link data for the Change Capture stage? (Choose two.)

A) key partitioned
B) sequential mode
C) parallel mode
D) sorted
E) merged links

4. Configuring the weighting column of an Aggregator stage affects which two options. (Choose two.)

A) Coefficient of Variation
B) Maximum Value
C) Uncorrected Sum of Squares
D) Average of Weights
E) Sum

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

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

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