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

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

1. Which two statements about using a Load write method in an Oracle Connector stage to tables that have indexes on them are true? (Choose two.)

A) Set the Upsert mode property to "Index".
B) The Load Write method uses the Parallel Direct Path load method.
C) Set the Index mode property to "Bypass".
D) Set the environment variable APT_ORACLE_LOAD_OPTIONS to "OPTIONS (DIRECT=TRUE, PARALLEL=FALSE)".
E) The Load Write method uses "Rebuild" mode with no logging automatically.

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

3. In a Transformer expression for a stage variable, there is a nullable input column. Assume the legacy NULL processing option is turned off. What happens when a row is processed that contains NULL in that input column?

A) The row is rejected.
B) The job aborts.
C) The value written to the stage variable is undetermined.
D) NULL is written to the stage variable.

4. Configuring the weighting column of an Aggregator stage affects which two options. (Choose two.)

A) Sum
B) Coefficient of Variation
C) Maximum Value
D) Uncorrected Sum of Squares
E) Average of Weights

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

Solutions: