IBM 000-421

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IBM 000-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

Question #1
You have been given operational requirements to introduce data recovery to one of your parallel job designs. Additionally, you have been told that you are to use flat files as your intermediate data structure. Which two tasks will accomplish these objectives? (Choose two.)

A. Use the Sequential stage to export and import data between jobs.
B. Break up the design by splitting it into at least two parallel jobs.
C. Use the Hash File stage to write and read data between parallel jobs.
D. Enable checkpoint restartability in each of your parallel stages.

Question #2
You are about to begin major changes to jobs in a project. You want to conveniently identify job changes on an ad hoc basis. What two tasks will allow you to identify changes to your jobs? (Choose two.)

A. Select the job, then right click Compare within.
B. Import the original job from a .dsx export.
C. Select the job, then right click Cross Project Compare.
D. Before making a change to a job make a copy of the job in a different category folder.

Question #3
Your job runs slowly and does not scale beyond two nodes. It appears the data has been partitioned on the DoNotCall flag, which has accumulating totals based on this flag using a sort method.
Which technique would improve scalability and performance?

A. Change the partitioning method to Round Robin; add a second Aggregator stage with Execution mode 'Sequential' and
B. Increase the number of physical nodes available for partitioning.
C. Add an additional column for partitioning to result in additional data partitions.
D. Change the preserve partitioning option on the stage ahead of the aggregator to clear partitioning.

Question #4
A copy of a production job was moved into a development project and modified to improve performance. You must prepare a report for a code review that documents the changes to the job.
How would you gather the information for this report? (Select two)

A. diffapicmdline.exe
B. Cross Project Compare
C. DSMakeJobReport
D. Compare Within

Question #5
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. Click Impact Analysis Icon on Designer Client Toolbar.
B. Select the top Level Job Sequence and Dependency of (deep).
C. On Export check Include dependencies of
D. Repository Advanced Find Where Used

Solutions: