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

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IBM A2090-303 Exam Syllabus Topics:

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

1. You have a parallel job that based on operational recoverability requirements needs to be broken up into two separate parallel jobs. You have decided to use the Data Set stage to support this job design change. What two characteristics of Data Sets make them a good design consideration in your jobs design change? (Choose two.)

A) They persist parallelism into a temporary repository table.
B) They persist the parallelism of the job creating them.
C) They automatically convert data types.
D) They sort the data in a staging area.
E) They use the same data types as the parallel framework.

2. What are two advantages of using Runtime Column Propagation (RCP)? (Choose two.)

A) RCP forces a developer to define all columns explicitly.
B) Columns not specifically used in the flow are propagated as if they were.
C) Only columns used in the data flow need to be defined.
D) Only columns that are defined as VarChar need RCP enabled.
E) Sequential files don't require schema files when using RCP.

3. Identify two areas that DataStage can integrate with a Hadoop environment. (Choose two.)

A) Use the Big Data File stage to access files on the Hadoop Distributed File System.
B) Use the Pig Activity stage in a sequencer to invoke a Pig MapReduce program.
C) Use the Hive Activity stage in a sequences to invoke a Hive MapReduce program.
D) Use the MapReduce Transformer stage to convert Hadoop Distributed File System data.
E) Use the Oozie Workflow Activity stage in a sequencer job to invoke Oozie work flows.

4. Your job will write its output to a fixed length data file. When configuring the sequential file stage as a target what format and column tab properties need to be considered for this type of file output?

A) On the Output Link column tab, insure that all the defined column data types are fixed length types.
B) On the Output Link format tab, change the 'Delimiter' property to whitespace.
C) On the Output Link format tab, add the 'Record Type' property to the tree and set its value to be 'F'.
D) On the Output Link column tab, specify the record size total based on all of the columns defined

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

A) 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).
B) As a best practice, you should create and publish new rules from the Data Rules stage.
C) 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.
D) The Data Rules stage works with rule definitions only; not executable rules.

Solutions: