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IBM C2090-303 Exam Syllabus Topics:

IBM InfoSphere DataStage v9.1 Sample Questions:

1. You would like to pass values into parameters that will be used in a variety of downstream activity stages within a job sequence. What are two valid ways to do this? (Choose two.)

A) Use local parameters.
B) Use the UserVariablesActivity stage to populate the local parameters from an outside source such as a file.
C) Check the "Propagate Parameters" checkbox in the Sequence Job properties.
D) Add a Transformer stage variable to the job sequence canvas.
E) Place a parameter set stage on the job sequence.

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

A) Hash partitioned
B) Unsorted
C) Key partitioned
D) Entire partitioned
E) Sorted by Join key

3. The number of File Set data files created depends upon what two items? (Choose two.)

A) Schema definition of the file.
B) Amount of memory.
C) Number of disks in the export or default disk pool connected to each processing node in the default node pool.
D) Operating system limitations.
E) Number of logical processing nodes.

4. You have a parallel job that based on operational recoverability requirements needs to be broken up into two separate parallel jobs. You have decided to use the Data Set stage to support this job design change. What two characteristics of Data Sets make them a good design consideration in your jobs design change? (Choose two.)

A) They persist the parallelism of the job creating them.
B) They sort the data in a staging area.
C) They automatically convert data types.
D) They use the same data types as the parallel framework.
E) They persist parallelism into a temporary repository table.

5. A job design consists of an input Sequential Files stage, a Sort stage, followed by a Transformer stage and an output Sequential File stage. In the input Sequential Files stage, the "Number of readers per node" property has been set to 3. The job is run on an SMP machine with a configuration file defined with 3 nodes. The $APT_DISABLE_COMBINATION variable is set to True. How many player processes will this job generate?

A) 10
B) 12
C) 8
D) 6

Solutions: