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Instant Download IBM : 000-421 Questions & Answers as PDF & Test Engine
- Exam Code: 000-421
- Exam Name: InfoSphere DataStage v8.5
- Updated: Sep 23, 2026
- No. of Questions: 194 Questions and Answers
- Download Limit: Unlimited
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IBM 000-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data Integration | - Data transformation techniques - Connectivity to data sources and targets |
| Topic 2: Job Development | - Parallel job design principles - Stages and transformers usage - Job sequences and control logic |
| Topic 3: Administration and Troubleshooting | - Job monitoring and logging - Error handling and recovery |
| Topic 4: Performance Optimization | - Job tuning and bottleneck analysis - Parallel processing optimization |
| Topic 5: InfoSphere DataStage Architecture | - Server and Parallel Job Architecture - Components (Designer, Director, Administrator) |
IBM InfoSphere DataStage v8.5 Sample Questions:
What would help debug the run-time environment?
- A. $APT_VERBOSE
- B. View detailed runtime stats through Job monitor in Director Client.
- C. Check the message filters for the job.
- D. $OSH_PRINT_SCHEMAS
Correct Answer: D 🗳️
In a Transformer Stage you have a nullable input column that is mapped to a non-nullable output column. What two techniques can be used to handle NULL values? (Choose two.)
- A. IF IsNULL(input_column) THEN 'unknown' ELSE input_column.
- B. IF input_column = NULL THEN 'unknown' ELSE input_column.
- C. IF input_column = '' THEN 'unknown' ELSE input_column.
- D. NullToValue(input_column, 'unknown').
Correct Answer: A,D 🗳️
What three types of links are supported by the Lookup Stage? (Select three)
- A. Multiple Input Links
- B. Multiple reject links
- C. A single output link
- D. A reference link
- E. A single input link
Correct Answer: C,D,E 🗳️
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When you run a parallel job, any error messages and warnings are written to the job log and can be viewed from the Director client. What two levels of message handlers are there? (Choose two.)
- A. record level
- B. project level
- C. job level
- D. stage level
Correct Answer: B,C 🗳️
Which two partitioning methods require keys? (Choose two.)
- A. Entire
- B. Hash
- C. Modulus
- D. Round Robin
Correct Answer: B,C 🗳️
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