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IBM A2090-303 Exam Syllabus Topics:

IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:

Question 1

A job design consists of an input Row Generator stage, a Filter stage, followed by a Transformer stage and an output Sequential File stage. The job is run on an SMP machine with a configuration file defined with three nodes. The $APT_DISABLE_COMBINATION variable is set to True. How many player processes will this job generate?

A. 10
B. 16
C. 12
D. 8

Question 2

You are responsible for deploying objects into your customers production environment. To ensure the stability of the production system the customer does not permit compilers on production machines. They have also protected the project and only development machines have the required compiler. What option will enable jobs with a parallel transformer to execute in the customers production machines?

A. Use protected projects in the production environment.
B. Create a package with Information Server Manager and select the option to include executables.
C. Set $APT_COPY_TRANSFORM_OPERATOR
D. Add $APT_COMPILE_OPT=-portable

Question 3

Which two parallel job stages allow you to use partial schemas? (Choose two.)

A. File Set stage
B. Peek stage
C. External Target stage
D. Data Set stage
E. Column Export stage

Question 4

A 100MB input dataset has even distribution across 400 unique key values. When you run with a 4-node configuration file, which two changes could improve sort performance in this scenario? (Choose two.)

A. Alter the Sort stage properties to perform a stable sort.
B. Convert all numeric fields to varchars.
C. Set $APT_TSORT_STRESS_BLOCKSIZE to 50M
D. Specify "Restrict Memory Usage" to 60MB on the Sort stage properties.
E. Specify Round Robin partitioning on the input link to the Sort stage.

Question 5

Identify the two delimiter areas available to be configured in the Sequential File format tab properties? (Choose two.)

A. File delimiter
B. Field delimiter
C. Final delimiter
D. Null delimiter
E. End of group delimiter

Solutions: