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IBM C1000-187 Exam Overview:
| Certification Vendor: | IBM |
|---|---|
| Exam Name: | IBM watsonx Mainframe Modernization Architect v1 - Associate |
| Exam Number: | C1000-187 |
| Certificate Validity Period: | 3 years |
| Exam Price: | $200 USD |
| Exam Format: | Multiple choice, Multiple select |
| Available Languages: | English |
| Real Exam Qty: | 62 |
| Exam Duration: | 90 minutes |
| Passing Score: | 60% |
| Recommended Training: | IBM watsonx Mainframe Modernization Training |
| Exam Registration: | IBM Certification Registration Pearson VUE |
| Exam Way: | Online proctored or Onsite at Pearson VUE test centers |
| Pre Condition: | Recommended: 2+ years experience in mainframe application development, maintenance or modernization projects; familiarity with COBOL, PL/I and mainframe environments |
| Official Syllabus URL: | https://www.ibm.com/training/certification/C1000-187 |
IBM C1000-187 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: watsonx Code Assistant for Legacy Code Analysis | 20% | - COBOL code analysis and understanding
|
| Topic 2: Testing and Validation of Modernized Components | 15% | - Design test strategies for modernized applications - Validate functional equivalence and performance - Implement regression and functional testing |
| Topic 3: Modernization Refactoring Strategies | 20% | - Refactor code for cloud readiness - Choose modernization approaches: rewrite, wrap, rehost - Adopt modern programming models and frameworks |
| Topic 4: Application Decomposition Strategies | 17% | - Identify functional components and boundaries - Determine decomposition patterns - Plan modularization and separation of concerns |
| Topic 5: Application Discovery and Dependency Mapping | 18% | - Map internal and external dependencies - Inventory mainframe applications and data sources - Document application interfaces and data flows |
| Topic 6: Hybrid Integration Between Mainframe and Cloud | 10% | - Design integration patterns - Connect mainframe systems with cloud services - Ensure secure and reliable data exchange |
IBM watsonx Mainframe Modernization Architect v1 - Associate (C1000-187) — Questions Candidates Actually Ask
The C1000-187 exam, officially known as IBM watsonx Mainframe Modernization Architect v1 - Associate, is the IBM test that leads to the IBM Certified watsonx Mainframe Modernization Architect v1 - Associate certification at the Associate level. Passing it validates the skills employers expect from a certified professional.
The C1000-187 exam contains 62 questions, and you have 90 minutes to complete them. Work out your per-question pace before test day, and flag slow items instead of stalling on them — time pressure, not knowledge, sinks many first attempts. Timed mock exams in the Actual4Exams test engines are the most reliable way to build that rhythm.
The passing score for the C1000-187 exam is 60%, and the official registration fee is $200 USD. If you miss the mark, a retake means paying the full fee again, so book your seat only when you are ready. A practical benchmark: score consistently above the passing line on timed practice tests before scheduling the real exam.
Recommended: 2+ years experience in mainframe application development, maintenance or modernization projects; familiarity with COBOL, PL/I and mainframe environments
Entry requirements can change, so confirm the latest conditions on the official exam page: https://www.ibm.com/training/certification/C1000-187.
You can book the C1000-187 exam through the official registration channels below:
Exam delivery: Online proctored or Onsite at Pearson VUE test centers. Seats at popular test centers fill quickly, so schedule early once your preparation is on track.
IBM recommends the following training options for IBM watsonx Mainframe Modernization Architect v1 - Associate candidates:
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The official IBM watsonx Mainframe Modernization Architect v1 - Associate outline is organized into 6 domains. The first three are:
- Testing and Validation of Modernized Components — 15% of the exam
- Application Discovery and Dependency Mapping — 18% of the exam
- Application Decomposition Strategies — 17% of the exam
See the complete exam topics section above for the full outline and the weighting of every domain.
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