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IBM 000-303 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Performance Tuning and Optimization | - Memory and partitioning strategies - Parallel job tuning |
| Data Integration and Transformation | - Data transformation logic - Data extraction and loading techniques - Lookup and join strategies |
| DataStage Architecture and Concepts | - Project and environment structure - Parallel processing architecture - InfoSphere DataStage components |
| Administration and Deployment | - Security and user management - Job scheduling and monitoring |
| Job Design and Development | - Stages and transformers - Job types (parallel, server, sequence) - Data flow design principles |
IBM Certified Solution Developer - IBM InfoSphere DataStage Sample Questions:
You have made a copy of your job and made major changes to a job in your project. You now want to identify all the changes that have been made. What task will allow you to identify these changes?
- A. Export the original job to a backup directory.
- B. Select the job, then right click Compare against.
- C. Select the job, then right click Cross Project Compare.
- D. Export the modified job to the backup directory.
Correct Answer: B 🗳️
You are assigned to correct a job from another developer. The job contains 20 stages sourcing data from two Data Sets and many sequential files. The annotation in the job indicates who wrote the job and when, not the objective of the job. All link and stage names use the default names. One of the output columns has an incorrect value which should have been obtained using a lookup. What could the original developer have done to make this task easier for maintenance purposes?
- A. Indicate all stage names within the job annotation.
- B. Name all stages and links based on what they do.
- C. Name all stage and links with column names and ideas.
- D. Name all stage and links the same.
Correct Answer: B 🗳️
Which partitioning method requires a key?
- A. Modulus
- B. Round Robin
- C. Same
- D. Sort Merge
Correct Answer: A 🗳️
You are processing groups of rows in a Transformer. The first row in each group contains "1" in the Flag column and "0" in the remaining rows of the group. At the end of each group you want to sum and output the QTY column values. Which technique will enable you to retrieve the sum of the last group?
- A. Output the sum that you generated up to the previous row each time you process a row with a
"1" in the Flag column. - B. Output the sum that you generated up to the previous row each time you process a row with a
"1" in the Flag column. Use the FirstRow()
function to determine when the group is done. - C. Output a running total for each group for each row. Follow the Transformer stage by an
Aggregator stage. Take the MAX of the QTY column
for each group. - D. Output the sum that you generated each time you process a row for which the LastRow()
function returns True.
Correct Answer: C 🗳️
What is the purpose of the APT_DUMP_SCORE environment variable?
- A. There is no such environment variable.
- B. It is an environment variable that enables the collection of runtime performance statistics.
- C. It is an environment variable that turns on the job monitor.
- D. It is a reporting environment variable that adds additional runtime information in the job log.
Correct Answer: D 🗳️
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