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IBM A2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Job Development | - Stages and transformers usage - Job sequences and control logic - Parallel job design principles |
| Administration and Troubleshooting | - Error handling and recovery - Job monitoring and logging |
| Performance Optimization | - Job tuning and bottleneck analysis - Parallel processing optimization |
| InfoSphere DataStage Architecture | - Components (Designer, Director, Administrator) - Server and Parallel Job Architecture |
| Data Integration | - Connectivity to data sources and targets - Data transformation techniques |
IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:
1. You are setting up project defaults. Which three items can be set in DataStage Administrator? (Choose three.)
A) default for compile options
B) default for Runtime Column Propagation
C) suite roles
D) defaults for environment variables
E) default prompting options, such as Autosave job before compile
2. You have a dataset hash-partitioned and sorted on CustID. You need to create a Sequential File sorted on CustID from this dataset. Which technique is the most appropriate?
A) Insert Sort stage before the final Sequential File stage and use Ordered collector for the Sequential File stage input link.
B) Use Copy stage.
C) Insert Sort stage before the final Sequential File stage and use Round Robin collector for the Sequential File stage input link.
D) Use SortMerge collector for the Sequential File input link.
3. Click on the Exhibit button.
Which environment variable would provide this information?
A) APT_PM_PLAYER_TIMING
B) APT_DEBUG_PARTITION
C) APT_SHOW_COMPONENT_CALLS
D) APT_STATUS
4. Which three attributes are found for each segment in a Data Set descriptor file? (Select three)
A) Path names of all data files on all processing nodes.
B) Copy of the configuration file used when segment was created.
C) Flag marking segment as valid or invalid.
D) Schema of Data Set.
E) Statistical information such as number of records in the segment and number of bytes.
5. Which requirement must be met to read from a database in parallel using the ODBC connector?
A) Configure environment variable $APT_PARTITION_COUNT.
B) Set the Enable partitioning property to Yes.
C) ODBC connector always reads in parallel.
D) Configure environment variable $APT_MAX_TRANSPORT_BLOCK_SIZE.
Solutions:
| Question # 1 Answer: A,B,D | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: A,B,E | Question # 5 Answer: B |
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