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IBM A2090-303 Exam Syllabus Topics:

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

1. When using a Sequential File stage as a source what are the two reject mode property options? (Choose two.)

A) Convert
B) Fail
C) Set
D) Continue
E) Save

2. A 100MB input dataset has even distribution across 400 unique key values. When you run with a 4-node configuration file, which two changes could improve sort performance in this scenario? (Choose two.)

A) Convert all numeric fields to varchars.
B) Set $APT_TSORT_STRESS_BLOCKSIZE to 50M
C) Specify "Restrict Memory Usage" to 60MB on the Sort stage properties.
D) Specify Round Robin partitioning on the input link to the Sort stage.
E) Alter the Sort stage properties to perform a stable sort.

3. 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 separate jobs for each layout and choose the appropriate job to run within a job sequencer.
B) Create parallel shared containers and define columns combining all data formats.
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.

4. How must the input data set be organized for input into the Join stage? (Choose two.)

A) Hash partitioned
B) Unsorted
C) Key partitioned
D) Entire partitioned
E) Sorted by Join key

5. A job design consists of an input Row Generator stage, a Filter stage, followed by a Transformer stage and an output Sequential File stage. The job is run on an SMP machine with a configuration file defined with three nodes. The $APT_DISABLE_COMBINATION variable is set to True. How many player processes will this job generate?

A) 16
B) 10
C) 12
D) 8

Solutions: