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

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

2. You would like to run a particular processing job within a job sequence for each weekday. What two methods could be used? (Choose two.)

A) Have a parameter set that contains the days of the week you would like to process and routine to parse the days of the week contained in the "day" parameter.
B) Set the frequency property in the job scheduler to weekdays only.
C) Call a routine in the job sequencer that starts the processing job for each day you would like to process.
D) Add the job scheduler stage to the job sequence and set to weekdays only.
E) Start Loop and End Loop activity stages on the job sequencer canvas where you loop through the days and pass a value for each day into the job via parameter.

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

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

5. What is the correct method to process a file containing multiple record types using a Complex Flat File stage?

A) Manually break the file into multiple files by record type.
B) Define record definitions on the Constraints tab of the Complex Flat File stage.
C) Load a table definition for each record type on the Records tab of the Complex Flat File stage.
D) Flatten the record types into a single record type.

Solutions: