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IBM InfoSphere DataStage v8.5 Sample Questions:

1. You are processing groups of rows in a Transformer. The first row in each group contains "1" in the Flag column and "0" in the remaining rows of the group. At the end of each group you want to sum and output the QTY column values. Which three techniques will enable you to retrieve the sum of the last group? (Choose three.)

A) Within each group sort the Flag column in ascending order. Output the sum each time you process the row with a "1" in the Flag column.
B) Output the sum that you generated each time you process a row for which the LastRow() function returns True.
C) Output the sum that you generated up to the previous row each time you process a row with a "1" in the Flag column.
D) Output a running total for each group for each row. Follow the Transformer stage by an Aggregator stage. Take the MAX of the QTY column for each group.
E) Output the sum that you generated up to the previous row each time you process a row with a "1" in the Flag column. Use the LastRow() function to determine when the last group is done.

2. What are two fundamental functions of the Information Server Source Code Integration based on the Eclipse Team framework? (Choose two.)

A) Replace from Source Code Control Workspace
B) Commit Changes
C) Rollback Changes
D) Send to Source Code Control Workspace

3. How must the input data set be organized for input into the join stage? (Choose two.)

A) Entire partitioned
B) Key partitioned
C) Hash partitioned
D) Sorted in ascending order
E) Unsorted

4. Which two properties can be set to read a fixed width sequential file in parallel? (Choose two.)

A) Set the "Number of Readers Per Node" optional property to a value greater than 1.
B) Set Read Method to "File Pattern".
C) Set the "Read from Multiple Nodes" optional property to a value greater than 1.
D) Set the Execution mode to "Parallel".

5. A customer requires that a single output file generated by a parallel job be created in sort order. Which two job designs would achieve this goal? (Choose two.)

A) Insert a sorted Funnel stage before the input to the output SequentialFile stage.
B) Set the "Execution Mode" in the Advanced stage properties tab of the parallel Sort stage to execute sequentially.
C) Specify both partition and sort key columns on the input to the target SequentialFile stage.
D) Use a parallel sort and partition the input to the SequentialFile stage using a Sort Merge collector.
E) Write the result to a parallel dataset, then write a shell script to convert the dataset records to text format, in sorted order.

Solutions: