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IBM Certified Solution Developer - IBM InfoSphere DataStage 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 parallel shared containers with Runtime Column Propagation (RCP) ON and define only necessary common columns needed for the logic.
C) Create separate jobs for each layout and choose the appropriate job to run within a job sequencer.
D) Create parallel routines for each of the common logic areas and for each of the unique column metadata formats.

2. Each row contains the CustID, ProductID, ProductType and TotalAmount columns. You want to retain the record with the largest value in the TotalAmount column for each CustID and ProductType using a RemoveDuplicates stage. How can this be accomplished?

A) Hash-partition on ProductType. Sort on ProductType, CustID and TotalAmount.
B) Hash-partition on CustID. Sort on CustID, ProductType and TotalAmount.
C) Hash-partition on CustID, ProductType and TotalAmount. Sort on CustID, ProductType and TotalAmount.
D) Hash-partition on TotalAmount. Sort on CustID, ProductType and TotalAmount.

3. What two project environment variables can be considered in your parallel jobs to support your optimization strategy of partitioning and sorting? (Choose two.)

A) $APT_RESTRICT_SORT_USAGE
B) $APT_OPT_SORT_INSERTION
C) $APT_NO_PART_INSERTION
D) $APT_PARTITION_FLUSH_COUNT
E) $APT_TSORT_STRESS_BLOCKSIZE

4. What two binding types are supported by Information Services Director (ISD) for a parallel job that is designed to be used as a service? (Choose two.)

A) EJB
B) STREAMS
C) SOAP
D) SQL
E) HDFS

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

A) The Data Rules stage works with rule definitions only; not executable rules.
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) 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).

Solutions: