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IBM InfoSphere DataStage v9.1 Sample Questions:

1. A job validates account numbers with a reference file using a Join stage, which is hash partitioned by account number. Runtime monitoring reveals that some partitions process many more rows than others. Assuming adequate hardware resources, which action can be used to improve the performance of the job?

A) Use Round Robin partitioning on the stream and Entire partitioning on the reference.
B) Replace the Join with a Merge stage.
C) Change the number of nodes in the configuration file.
D) Add a Sort stage in front of the Join stage. Sort by account number.

2. What is used to configure the DataStage QualityStage Operations Console?

A) The DSAppWatcher.sh script
B) Information Server Web Console
C) The DSODBCConfig.cfg file
D) DataStage Administrator

3. What are two advantages of using Runtime Column Propagation (RCP)? (Choose two.)

A) RCP forces a developer to define all columns explicitly.
B) Columns not specifically used in the flow are propagated as if they were.
C) Sequential files don't require schema files when using RCP.
D) Only columns that are defined as VarChar need RCP enabled.
E) Only columns used in the data flow need to be defined.

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

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

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

Solutions: