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IBM A2090-303 Exam Syllabus Topics:

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

1. 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) Vector
C) Integer
D) Binary
E) VarChar

2. When using the loop functionality in a transformer, which statement is true regarding Transformer processing.

A) Output links can be excluded from being associated with a True loop condition.
B) Stage variables can be executed after loop variable expressions.
C) Loop variable expressions are executed before input link column expressions.
D) Stage variables can be referenced in loop conditions.

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

4. Which job design technique can be used to give unique names to sequential output files that are used in multi-instance jobs?

A) Use a Transformer stage variable to generate the name.
B) Use parameters to identify file names.
C) Generate unique file names by using a macro.
D) Use DSJoblnvocationID to generate a unique filename.

5. You are asked to optimize the fork join job design in the exhibit. This job uses the sort aggregator and a left outer join on the ZIP code column. Currently all partitioning is set to "Auto" and automatic sort insertion is allowed.

Which change will reduce the cost of partitioning that occurs in this job?

A) Hash partition and sort on ZIP code column prior to the Copy stage, and use same partitioning on the Aggregator and Join stages.
B) Use Entire partitioning on the input links to the Aggregator and Join stages.
C) Hash partition and sort on ZIP code column on the input links to the Aggregator and Join stages.
D) Hash partition and sort on ZIP code column prior to the Copy stage and use entire partitioning on the Aggregator and Join stages.

Solutions: