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IBM C2090-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

1. You are asked by your customer to collect partition level runtime meta-data for DataStage Parallel jobs. You must collect this data after each job completes. What two options allow you to automatically save row counts and CPU time for each instance of an operator? (Select two)

A) $APT_PM_PLAYER_TIMINGS
B) Enable the job property "Log report messages after each job run".
C) Enable the job property "Record job performance data".
D) $APT_PERFORMANCE_DATA

2. Which two statements are true about Transformer loop processing? (Select two)

A) Loop variable expressions are executed before stage variable expressions.
B) Loop variable expressions are executed before output link column expressions.
C) Stage variables can be referenced in loop conditions.
D) Loop conditions are evaluated once for each input row.

3. What are the three aggregation types can be set in the Aggregator stage? (Select three)

A) Count Rows
B) Count Values
C) Recalculate
D) Calculate
E) Sum Rows

4. What is the lowest CPU cost partitioning method?

A) Entire
B) Hash
C) Random
D) Round Robin

5. You found there were common functional requirements in the data mapping specification. The required functions are same but the record formats are different. Which action will allow you to effectively implement common logic?

A) Create parallel routines.
B) Create parallel shared containers with Runtime Column Propagation (RCP) ON and define only necessary columns needed for the logic.
C) Create parallel shared containers and define columns combining all data formats.
D) Create separate jobs and choose appropriate job within a job sequence.

Solutions: