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IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment 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 technique will enable you to retrieve the sum of the last group?

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.
B) 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 FirstRow()
function to determine when the group is done.
C) Output the sum that you generated each time you process a row for which the LastRow()
function returns True.
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.

2. When using the Column Export stage, what are two export column type property values allowed for the combined single output column result? (Choose two.)

A) Decimal
B) VarChar
C) Binary
D) Vector
E) Integer

3. Identify two different types of custom stages you can create to extend the Parallel job syntax? (Choose two.)

A) Wrapped stage
B) Group stage
C) Custom stage
D) Input stage
E) Basic stage

4. What stage allows for more than one reject link?

A) Merge stage
B) Lookup stage
C) Join stage
D) Funnel stage

5. The parallel framework was extended for real-time applications. Identify two of these aspects. (Choose two.)

A) XML stage.
B) Real-time stage types that re-run jobs.
C) End-of-wave.
D) Support for transactions within source database connector stages.
E) Real-time stage types that keep jobs always up and running.

Solutions: