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IBM A2090-303 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Stages and Transformations | - Common stages (Transformer, Lookup, Join, Aggregator) - Data transformation and mapping techniques |
| Topic 2: Administration and Deployment | - Project deployment and environment management - Monitoring and troubleshooting DataStage jobs |
| Topic 3: Data Integration and Quality | - Handling heterogeneous data sources - Data cleansing and validation concepts |
| Topic 4: Job Design and Development | - Designing server and parallel jobs - Job sequences and control flow |
| Topic 5: DataStage Fundamentals | - Parallel processing concepts and framework - Architecture and components of IBM InfoSphere DataStage |
| Topic 6: Performance Tuning and Optimization | - Resource management and optimization strategies - Parallel job performance tuning techniques |
IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:
Question #1
What are two advantages of using Runtime Column Propagation (RCP)? (Choose two.)
A. Columns not specifically used in the flow are propagated as if they were.
B. Only columns that are defined as VarChar need RCP enabled.
C. Only columns used in the data flow need to be defined.
D. RCP forces a developer to define all columns explicitly.
E. Sequential files don't require schema files when using RCP.
Question #2
Which partitioning method requires a key?
A. Modulus
B. Same
C. Sort Merge
D. Round Robin
Question #3
Which two commands start a DataStage job named procRows in a project named DSProject. It also passes the value 200 to the numRows parameter. (Choose two.)
A. dsjob -run -paramfile numRows=200 DSProject procRows
B. dsjob -run -queue HighPriority -param numRows=200 DSProject procRows
C. dsjob -run -mode normal -param numRows=200 DSProject procRows
D. dsjob -run -mode normal -paramfile numRows=200 DSProject procRows
E. dsjob -run -mode validate -param numRows=200 DSProject procRows
Question #4
Indicate two possible job design topologies that Information Services Director (ISD) parallel jobs can conform to. (Choose two.)
A. A job with one ISD Input stage and no ISD Output stage.
B. A job with no ISD Input stage and with one ISD Output stage.
C. A job with one ISD Input stage and greater then one ISD Output stage.
D. A job with a single ISD Transformation stage.
E. A job with greater then one ISD input stage and one ISD Output stage.
Question #5
Your job will write its output to a fixed length data file. When configuring the sequential file stage as a target what format and column tab properties need to be considered for this type of file output?
A. On the Output Link format tab, add the 'Record Type' property to the tree and set its value to be 'F'.
B. On the Output Link column tab, specify the record size total based on all of the columns defined
C. On the Output Link column tab, insure that all the defined column data types are fixed length types.
D. On the Output Link format tab, change the 'Delimiter' property to whitespace.
Solutions:
| Question #1 Correct Answer: A,C | Question #2 Correct Answer: A | Question #3 Correct Answer: B,C | Question #4 Correct Answer: A,B | Question #5 Correct Answer: C |
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