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IBM C2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Job Development | - Parallel job design principles - Stages and transformers usage - Job sequences and control logic |
| Administration and Troubleshooting | - Error handling and recovery - Job monitoring and logging |
| InfoSphere DataStage Architecture | - Server and Parallel Job Architecture - Components (Designer, Director, Administrator) |
| Performance Optimization | - Parallel processing optimization - Job tuning and bottleneck analysis |
| Data Integration | - Connectivity to data sources and targets - Data transformation techniques |
IBM InfoSphere DataStage v8.5 Sample Questions:
Question 1
Which two of the following derivations for an output column named OutCol can be used to generate a unique sequence of integers across multiple partitions?
A. NextSurrogateKey()
B. 1 + @NUMPARTITIONS * @INROWNUM
C. @INROWNUM
D. @PARTITIONNUM + @NUMPARTITIONS
Question 2
Which two data repositories can you use for user authentication within the Information Server Suite? (Choose two.)
A. the IBM Suite User Configuration file specified within the dsenv file
B. the IBM Metadata repository
C. the IBM Information Server user directory
D. the local operating system directory
Question 3
In a Transformer expression for a stage variable, there is a nullable input column. What happens when a row is processed that contains NULL in that input column?
A. The job aborts.
B. NULL is written to the stage variable.
C. The value written to the stage variable is undetermined.
D. The row is rejected.
Question 4
When using Runtime Column Propagation, which three stages require a schema file? (Select three)
A. Sequential File stage
B. Peek stage
C. Column Import stage
D. File Set stage
E. DB2 Enterprise stage
Question 5
What are three valid join operations for the Join stage? (Choose three.)
A. Left outer join
B. Right outer join
C. Top outer join
D. Inner Join
E. Bottom inner join
Solutions:
| Question 1 Answer: D | Question 2 Answer: C,D | Question 3 Answer: B | Question 4 Answer: A,C,D | Question 5 Answer: A,B,D |
