Updated: Jul 29, 2026
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| Certification Vendor: | IBM |
| Exam Name: | IBM Watson Data Scientist v1 |
| Exam Number: | C1000-154 |
| Passing Score: | 63% |
| Exam Format: | Multiple Choice, Multiple Response |
| Related Certifications: | IBM Data Science Professional Certificate IBM Applied AI Professional Certificate |
| Certificate Validity Period: | 2 years |
| Exam Duration: | 90 minutes |
| Exam Price: | $200 USD |
| Real Exam Qty: | 61 |
| Available Languages: | English |
| Sample Questions: | IBM C1000-154 Sample Questions |
| Exam Way: | Online proctored or at authorized testing center |
| Pre Condition: | Recommended: IBM Data Science Professional Certificate or equivalent experience with IBM Cloud and data science tools |
| Official Syllabus URL: | https://www.ibm.com/certify/exam/zse1f0-1000-154 |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Visualization and Storytelling | 15-20% | - Communicating findings to stakeholders - Visualization best practices - Interactive dashboards and reports |
| Topic 2: Watson AI Services and Deployment | 10-15% | - Monitoring deployed models - Watson Discovery overview - Watson Assistant integration - Deploying models as REST APIs |
| Topic 3: Machine Learning and Model Development | 20-25% | - Feature engineering and selection - Model training, evaluation, and optimization - Supervised and unsupervised learning concepts - Model deployment and monitoring |
| Topic 4: Data Science and Watson Fundamentals | 20-25% | - Data collection, preparation, and exploration - IBM Watson ecosystem and components - Data science methodology and CRISP-DM framework |
| Topic 5: Watson Studio and Watson Knowledge Catalog | 20-25% | - Data governance and cataloging - Project management and collaboration - AutoAI and automatic model building - Data asset management |
1. To add data assets from the catalog to a project in Cloud Pak for Data, which step is essential?
A) Browsing data assets based solely on their names
B) Maximizing the volume of data regardless of relevance
C) Selecting random data sets for variety
D) Assessing the compatibility of data formats
2. A model's performance is not solely dependent on its accuracy but also on:
A) The choice of programming language
B) Metrics like precision, recall, and F1 score
C) The color of the visualization charts
D) The number of features selected
3. Which Python library is commonly used for data manipulation and analysis, and is available in Cloud Pak for Data?
A) Keras
B) PyTorch
C) Pandas
D) TensorFlow
4. In classification models, which of the following metrics is NOT directly derived from the confusion matrix?
A) Recall
B) Mean Absolute Error (MAE)
C) F1-score
D) Precision
5. In IBM Garage Methodology, the 'Minimum Viable Product' (MVP) concept is crucial for:
A) Testing hypotheses with the smallest investment of time and resources
B) Extending the timeline of the project indefinitely
C) Waiting for all possible features to be developed before release
D) Maximizing the budget before the product launch
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: C | Question # 4 Answer: B | Question # 5 Answer: A |
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