Pass your actual test at first attempt with DASCA SDS training material
Last Updated: Sep 04, 2026
No. of Questions: 87 Questions & Answers with Testing Engine
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| Section | Weight | Objectives |
|---|---|---|
| Big Data Ecosystems & Scalable Systems | 20% | - Scalability, performance, and optimization - Data storage, processing pipelines, and governance - Distributed computing frameworks and cloud platforms |
| Data Science Applications in Business | 20% | - Measuring and demonstrating ROI of data science initiatives - Translating business requirements into data science problems - Data science strategy and enterprise alignment |
| Foundational Methods & Frameworks | 25% | - Advanced statistics, probability, and experimental design - Machine learning algorithms, selection, and evaluation - Data preparation, feature engineering, and quality assurance |
| Advanced AI & Generative AI | 20% | - Deep learning, neural networks, and foundation models - Generative AI techniques, use cases, and limitations - Responsible AI, ethics, fairness, transparency, and compliance |
| MLOps & Production Deployment | 15% | - DevOps integration, automation, and CI/CD - Model lifecycle management, monitoring, and maintenance - Model governance, security, and reliability |
Question 1
Which of the following is correct for Markov chain?
A. A Markov chain is a sequence of fixed variables X1, X2
B. Both A and B
C. A Markov chain is the state of a system at sequential points in time
D. A Markov chain is a sequence of random variables X1, X2
E. Both B and C
Question 2
Which of the following is TRUE for data lake?
A. The data lake can make both of the Business Intelligence and Data Science environments more agile and more productive
B. The data lake enables organizations to treat data as an organizational asset to be gathered and nurtured versus a cost to be minimized
C. The data lake enables organizations to gather, manage, enrich, and analyze many new sources of data, whether structured or unstructured
D. None of the above
E. The data lake can make both of the Business Intelligence and Data Science environments less agile and more productive
Question 3
Which of the following is TRUE about Avro?
A. Avro is based on Remote Procedure Call (RPC)
B. Avro is a data serialization framework
C. Both A and B
D. None of the above
Question 4
What is Scrum?
A. Agile is a subset of Scrum
B. Scrum and Agile are the same
C. None of the above
D. Scrum is a subset of Agile
Question 5
Which of the following is CORRECT?
i. CDMO should NOT own the data lake, the data warehouse, or any of the underlying data architecture or technologies.
ii. CDMO should own the data lake, the data warehouse, or any of the underlying data architecture or technologies.
iii. CIO should NOT own the data lake, the data warehouse, or any of the underlying data architecture or technologies.
iv. CIO should own the data lake, the data warehouse, or any of the underlying data architecture or technologies.
A. i, iii
B. ii, iv
C. i, iv
D. ii, iii
Solutions:
| Question 1 Answer: E | Question 2 Answer: A,B,C | Question 3 Answer: C | Question 4 Answer: D | Question 5 Answer: C |
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