IBM A2090-303 : Assessment: IBM InfoSphere DataStage v9.1 Assessment

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IBM A2090-303 Exam Syllabus Topics:

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

1. Which stage classifies data rows from a single input into groups and computes totals?

A) Modify stage
B) Compare stage
C) Transformer stage
D) Aggregator stage

2. You are assigned to correct a job from another developer. The job contains 20 stages sourcing data from two Data Sets and many sequential files. The annotation in the job indicates who wrote the job and when, not the objective of the job. All link and stage names use the default names. One of the output columns has an incorrect value which should have been obtained using a lookup. What could the original developer have done to make this task easier for maintenance purposes?

A) Name all stages and links based on what they do.
B) Name all stage and links with column names and ideas.
C) Indicate all stage names within the job annotation.
D) Name all stage and links the same.

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

4. Two new columns have been deleted from a sequential file that a number of DataStage jobs write to. You have imported a table definition for the changed file. How can you determine what jobs might be affected by this change?

A) Select the original table definition, right-click, then click on the Where used command.
B) Select the new table definition, right-click, then click on the Where used command.
C) Select the original table definition, right-click, then click on the Find dependencies command.
D) Select the new table definition, right-click, click on the Compare against command, then select original table definition.

5. Identify two different types of custom stages you can create to extend the Parallel job syntax? (Choose two.)

A) Wrapped stage
B) Custom stage
C) Group stage
D) Input stage
E) Basic stage

Solutions: