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IBM A2090-303 Exam Syllabus Topics:

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

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

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

2. Your job sequence must be restartable. It runs Job1, Job2, and Job3 serially. It has been compiled with "Add checkpoints so sequence is restartable". Job1 must execute every run even after a failure. Which two properties must be selected to ensure that Job1 is run each time, even after a failure? (Choose two.)

A) In the Job1 Activity stage set the Execution action to "Run".
B) In the Job1 Activity stage set the Execution action to "Reset if required, then run".
C) Set the Job1 Activity stage to "Do not checkpoint run".
D) Set trigger on the Job1 Activity stage to "Unconditional".
E) Use the Nested Condition Activity with a trigger leading to Job1; set the trigger expression type to "Unconditional".

3. How is DataStage table metadata shared among DataStage projects?

A) Import another copy of the table metadata into the project where it is required.
B) Use the "Shared Table Creation Wizard" to place the table in the shared repository.
C) Use the InfoSphere Metadata Asset Manager (IMAM) to move the DataStage table definition to the projects where it is needed.
D) Export DataStage table definitions from one project and importing them into another project.

4. 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 prior to the Copy stage and use entire partitioning on the Aggregator and Join stages.
D) Hash partition and sort on ZIP code column on the input links to the Aggregator and Join stages.

5. The Change Apply stage produces a change Data Set with a new column representing the code for the type of change. What are two change values identified by these code values? (Choose two.)

A) Edit
B) Deleted
C) Final
D) Copy
E) Remove Duplicates

Solutions: