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IBM InfoSphere DataStage v9.1 Sample Questions:

1. In your ETL application design you have found several areas of common processing requirements in the mapping specifications. These common logic areas found include: code validation lookups and name formatting. The common logic areas have the same logic, but the jobs using them would have different column metadata. Choose the action that gives you the best reusability design to effectively implement these common logic areas in your ETL application?

A) Create parallel shared containers and define columns combining all data formats.
B) Create separate jobs for each layout and choose the appropriate job to run within a job sequencer.
C) Create parallel shared containers with Runtime Column Propagation (RCP) ON and define only necessary common columns needed for the logic.
D) Create parallel routines for each of the common logic areas and for each of the unique column metadata formats.

2. You have created three parallel jobs (Job A, B and C) in which the output of one job is the input to the other job. You are required to create processing that manages this data relationship of the jobs and provide job level restart-ability. What two tasks will accomplish these objectives? (Choose two.)

A) Enable the 'Add checkpoints so container is restartable' option for each of the parallel shared containers.
B) Enable runtime column propagation for the job sequence running the jobs.
C) Create two parallel shared containers that has the logic of Job B and Job C and include those shared containers in the correct flow order within the design of Job A.
D) Set the 'Add checkpoints so sequence is restartable' option in the Sequencer job.
E) Create a Sequencer job that has triggered events configured allowing Job A to run first, then Job B to run when A completes successfully, and then Job C to run when Job B completes successfully.

3. Identify the two delimiter areas available to be configured in the Sequential File format tab properties? (Choose two.)

A) Null delimiter
B) End of group delimiter
C) Field delimiter
D) File delimiter
E) Final delimiter

4. Which statement is correct about the Data Rules stage?

A) If you have Rule Creator role in InfoSphere Information Analyzer, you can create and publish rule definitions and rule set definitions directly from the stage itself.
B) When a job that uses the Data Rules stage runs, the output of the stage is passed to the downstream stages and results are stored in the Analysis Results database (IADB).
C) As a best practice, you should create and publish new rules from the Data Rules stage.
D) The Data Rules stage works with rule definitions only; not executable rules.

5. Which two statements are true about the use of named node pools? (Choose two.)

A) Named node pools constraints will limit stages to be executed only on the nodes defined in the node pools.
B) Named node pools can allow separation of buffering from sorting disks.
C) Grid environments must have named node pools for data processing.
D) When named node pools are used, DataStage uses named pipes between stages.
E) Named node pools limit the total number of partitions that can be specified in the configuration file.

Solutions: