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IBM A2090-303 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: DataStage Fundamentals | - Parallel processing concepts and framework - Architecture and components of IBM InfoSphere DataStage |
| Topic 2: Data Integration and Quality | - Data cleansing and validation concepts - Handling heterogeneous data sources |
| Topic 3: Performance Tuning and Optimization | - Parallel job performance tuning techniques - Resource management and optimization strategies |
| Topic 4: Stages and Transformations | - Common stages (Transformer, Lookup, Join, Aggregator) - Data transformation and mapping techniques |
| Topic 5: Administration and Deployment | - Monitoring and troubleshooting DataStage jobs - Project deployment and environment management |
| Topic 6: Job Design and Development | - Designing server and parallel jobs - Job sequences and control flow |
IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:
Identify two areas that DataStage can integrate with a Hadoop environment. (Choose two.)
- A. Use the MapReduce Transformer stage to convert Hadoop Distributed File System data.
- B. Use the Pig Activity stage in a sequencer to invoke a Pig MapReduce program.
- C. Use the Hive Activity stage in a sequences to invoke a Hive MapReduce program.
- D. Use the Oozie Workflow Activity stage in a sequencer job to invoke Oozie work flows.
- E. Use the Big Data File stage to access files on the Hadoop Distributed File System.
Correct Answer: D,E 🗳️
A 100MB input dataset has even distribution across 400 unique key values. When you run with a 4-node configuration file, which two changes could improve sort performance in this scenario? (Choose two.)
- A. Set $APT_TSORT_STRESS_BLOCKSIZE to 50M
- B. Alter the Sort stage properties to perform a stable sort.
- C. Specify "Restrict Memory Usage" to 60MB on the Sort stage properties.
- D. Convert all numeric fields to varchars.
- E. Specify Round Robin partitioning on the input link to the Sort stage.
Correct Answer: A,C 🗳️
Which statement describes what happens when Runtime Column Propagation is disabled for a parallel job?
- A. An input column value flows into a target column only if it matches it by name.
- B. An input column value flows into a target column only if it is explicitly mapped to it.
- C. You must set APT_AUTO_MAP project environment to true to allow output link mapping to occur.
- D. An input column value flows into a target column based on its position in the input row. For example, first column in the input row goes into the first target column.
Correct Answer: B 🗳️
Which step is required to change from a normal lookup to a sparse lookup in an ODBC Connector stage?
- A. Sort the data on the reference link.
- B. Change the partitioning to hash.
- C. Change the lookup option in the stage properties to "Sparse".
- D. Replace columns at the beginning of a SELECT statement with a wildcard asterisk (*).
Correct Answer: C 🗳️
What are the two Transfer Protocol Transfer Mode property options for the FTP Enterprise stage? (Choose two.)
- A. RFTP
- B. TFTP
- C. EFTP
- D. SFTP
- E. FTP
Correct Answer: D,E 🗳️
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Laurel -
I am glad that I passed my A2090-303 examination today. Your questions are very good and valid!