IBM A2090-421 Questions & Answers - in .pdf
- Total Q&A: 194
- Update: May 27, 2026
- Price: $59.99
- Vendor: IBM
- Exam Code: A2090-421
- Exam Name: Assessment: InfoSphere DataStage v8.5
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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:
1. A job validates credit card numbers with a reference file using a Join stage, which is hash partitioned by card number. Examination of Job Monitor reveals that some partitions process many more rows than others. Assuming adequate hardware resources, which action can be used to improve the performance of the job?
A) Replace the Join with a Merge stage.
B) Break the input file into multiple files.
C) Alter the number of partitions in the $APT_CONFIG_FILE.
D) Use Round Robin partitioning on the stream and Entire partitioning on the reference.
2. How does the Complex Flat File stage (CFF) support the use of "OCCURS DEPENDING ON" clause?
A) CFF does not support this clause.
B) The related elements are output as subrecords.
C) The related elements are output as denormalized fields.
D) The related elements are output as arrays.
3. You need to find the differences between the jobs in the Test project and theit older version in the Production project. You discover that the Production project is on another domain. What feature would find the differences in a job that is in a project on a different domain?
A) Export from the other domain and import into a project in the same domain as the one you are working in.
B) Cross Domain Compare
C) DataStage Version Control
D) Cross Project Compare
4. What are two fundamental functions of the Information Server Source Code Integration based on the Eclipse Team framework? (Choose two.)
A) Replace from Source Code Control Workspace
B) Rollback Changes
C) Commit Changes
D) Send to Source Code Control Workspace
5. You are working on a project that contains a large number of jobs contained in many folders. You would like to review the jobs created by the former developer of the project. How can you find these jobs?
A) Sort the jobs by date in the Repository window.
B) Use the Advanced Find feature contained in the Designer interface.
C) While selecting the top folder in the project, choose Find Dependencies.
D) Filter jobs in Director Client's Repository window.
Solutions:
Question # 1
Answer: C | Question # 2
Answer: D | Question # 3
Answer: D | Question # 4
Answer: A,D | Question # 5
Answer: B |
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