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IBM InfoSphere DataStage v8.5 Sample Questions:

1. A job is using the Load method in the DB2 and Oracle Enterprise stage for parallel loading into a single table. The job fails at runtime and you see there are new table rows added. What would explain this result? (Select two)

A) Commit size is smaller than source data.
B) Load operations are sequential.
C) Some partitions completed before failure.
D) Load operations are parallel.

2. Which two statements are true about the use of named node pools? (Choose two.)

A) Named node pools constraints will limit stages to be executed only on the nodes defined in the node pools.
B) Named node pools can allow separation of buffering from sorting disks.
C) Using appropriately named node pools forces DataStage to use named pipes between stages.
D) Clustered environments must have named node pools for data processing.

3. A copy of a production job was moved into a development project and modified to improve performance. You must prepare a report for a code review that documents the changes to the job.
How would you gather the information for this report? (Select two)

A) diffapicmdline.exe
B) Compare Within
C) DSMakeJobReport
D) Cross Project Compare

4. A job needs to split a single Data Set into three Data Sets based on conditions that are supplied at runtime. Which stage would allow you to parameterize the conditions for splitting the input data set?

A) Filter stage
B) Transformer stage
C) Split Vector stage
D) Switch stage

5. 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) 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.
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) 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.
E) 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.

Solutions: