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IBM C2090-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

Question 1

In which two situations is it appropriate to use a Sparse Lookup? (Choose two.)

A. When accessing DB2 data using the DB2 API stage.
B. When reference data is significantly larger than the streaming data (100:1).
C. When the output of the Lookup stage needs to be hashed partitioned.
D. When invoking a stored procedure within a database per row in the streaming link.

Question 2

Which two statements are true about DataStage parallel routines? (Choose two.)

A. Parallel routines can be written that are called before or after a stage runs.
B. Parallel routines can be written that are called from within the Transformer stage.
C. Parallel routines are written in DataStage Basic.
D. Parallel routines are coded within a DataStage Designer editor.
E. Parallel routines created as shared library functions are not supported.

Question 3

Which condition is required to use the LastRowInGroup() function to determine a key break on a field?

A. The input data has to be sorted by the key field, but it is not required that DataStage be able to detect this. For example, the input data might be sorted before it is input to the job. (However, the job will abort at runtime if the data isn't sorted.)
B. The LastRowInGroup() function requires the data to be grouped by the key field, but the data does not have to be sorted.
C. The LastRowInGroup() function does not require the data to be either sorted or grouped by the key field. If necessary the LastRowInGroup() function will perform a sort.
D. The input data has to be sorted by the key field and DataStage must be able to detect that the data is sorted, for example, by the presence of a Sort stage.

Question 4

An important top level Job Sequence has been modified. It controls a process flow consisting of sub Job Sequences, Routines and Parallel Jobs. You must set up a new project to test the top level Job Sequence. You are not allowed to move any repository objects that are not impacted by the top level Job Sequence.
What two options would identify only the repository objects impacted by the change made to the top level Job Sequence? (Select two)

A. Repository Advanced Find Where Used
B. Click Impact Analysis Icon on Designer Client Toolbar.
C. On Export check Include dependencies of
D. Select the top Level Job Sequence and Dependency of (deep).

Question 5

You write a job control routine to control a sequence of jobs running as a single unit of work. What are three valid job status types you can trap for? (Choose three.)

A. DSJS.RUNERROR
B. DSJS.START
C. DSJS.STOPPED
D. DSJS.RUNFAILED
E. DSJS.RUNOK

Solutions: