Exam Code: SDS
Exam Name: Senior Data Scientist
Certification Provider: DASCA
Corresponding Certification: DASCA Data Scientist

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Updated: Aug 22, 2026

No. of Questions: 87 Questions & Answers with Testing Engine

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DASCA SDS Exam Overview:

Certification Vendor:	DASCA
Exam Name:	DASCA Senior Data Scientist Certification
Exam Number:	SDS
Passing Score:	65%
Exam Format:	Multiple Choice, Multiple Response, Scenario-based Questions
Real Exam Qty:	100
Available Languages:	English
Related Certifications:	DASCA Certified Data Scientist (CDS) DASCA Principal Data Scientist (PDS)
Certificate Validity Period:	3 Years
Exam Price:	USD 650
Exam Duration:	100 minutes
Sample Questions:	DASCA SDS Sample Questions
Exam Way:	Online proctored or at authorized testing centers
Pre Condition:	Recommended: Bachelor's degree in a quantitative field, prior data science experience or DASCA CDS certification
Official Syllabus URL:	https://www.dasca.org/data-science-certifications/senior-data-scientist-sds

DASCA SDS Exam Syllabus Topics:

Section	Weight	Objectives
Machine Learning at Scale	25-30%	- Unsupervised Learning 1. Clustering Algorithms 2. Anomaly Detection 3. Dimensionality Reduction - Supervised Learning 1. Support Vector Machines 2. Time Series Forecasting 3. Ensemble Methods - Deep Learning Fundamentals 1. Neural Networks 2. Convolutional Networks 3. Recurrent Networks
Advanced Statistical Modeling	20-25%	- Statistical Inference 1. Confidence Intervals 2. Hypothesis Testing 3. Bayesian Methods - Regression Analysis 1. Regularization Techniques 2. Generalized Linear Models 3. Linear and Logistic Regression
Data Visualization and Communication	10-15%	- Visualization Principles 1. Storytelling with Data 2. Dashboard Design - Tools and Technologies 1. Tableau/Power BI 2. Python Visualization Libraries
Big Data Engineering	15-20%	- Cloud Computing for Data Science 1. Containerization 2. Serverless Architectures 3. AWS/Azure/GCP Services - Distributed Computing 1. Data Pipelines 2. Hadoop Ecosystem 3. Apache Spark
Foundations of Data Science	15-20%	- Data Science Lifecycle 1. Deployment and Monitoring 2. Data Collection and Preparation 3. Model Building and Evaluation 4. Problem Formulation - Data Science Ethics 1. Bias and Fairness 2. Privacy and Confidentiality 3. Transparency and Explainability

DASCA Senior Data Scientist Sample Questions:

1. Which classification steps are performed in inductive techniques?
i. Training Step
ii. Test Step
iii. Validation Step
iv. Application Step

A) ii, iii
B) i, ii
C) i, ii, iv
D) i, ii, iii, iv

2. Which of the following is the most important part of Hadoop?

A) MapReduce Framework
B) Both A and B
C) Hadoop Distributed File System (HDFS)
D) Spark Framework
E) Both B and C

3. HDFS supports which quotas?

A) Both A and B
B) Name quotas
C) None of the above
D) Space quotas

4. Which of the following is a Python library for fitting Bayesian networks to real data?

A) PyMC
B) SCIMC
C) SciLib
D) MyLib
E) MCMC

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) ii, iii
B) ii, iv
C) i, iii
D) i, iv

Solutions:

Question # 1
Answer: D

Question # 2
Answer: B

Question # 3
Answer: A

Question # 4
Answer: A

Question # 5
Answer: D

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SDS Product FAQ's

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What kinds of study material TopExamCollection provides?

Test Engine: SDS study test engine can be downloaded and run on your own devices. Practice the test on the interactive & simulated environment.
PDF (duplicate of the test engine): the contents are the same as the test engine, support printing.

How long can I get the SDS products after purchase?

You will receive an email attached with the SDS study material within 5-10 minutes, and then you can instantly download it for study. If you do not get the study material after purchase, please contact us with email immediately.

How does your Testing Engine works?

Once download and installed on your PC, you can practice SDS test questions, review your questions & answers using two different options' practice exam' and 'virtual exam'.
Virtual Exam - test yourself with exam questions with a time limit.
Practice Exam - review exam questions one by one, see correct answers.

Can I get the updated SDS study material and how to get?

Yes, you will enjoy one year free update after purchase. If there is any update, our system will automatically send the updated study material to your payment email.

What's the applicable operating system of the SDS test engine?

Online Test Engine can supports Windows / Mac / Android / iOS, etc., because it is the software based on WEB browser. You can use it on any electronic device and practice with self-paced.
Online Test Engine supports offline practice, while the precondition is that you should run it with the internet at the first time.
Self Test Engine is suitable for windows operating system, running on the Java environment, and can install on multiple computers.
PDF Version: can be read under the Adobe reader, or many other free readers, including OpenOffice, Foxit Reader and Google Docs.

How often do you release your SDS products updates?

All the products are updated frequently but not on a fixed date. Our professional team pays a great attention to the exam updates and they always upgrade the content accordingly.

Do you have money back policy? How can I get refund if fail?

Yes. We have the money back guarantee in case of failure by our products. The process of money back is very simple: you just need to show us your failure score report within 60 days from the date of purchase of the exam. We will then verify the authenticity of documents submitted and arrange the refund after receiving the email and confirmation process. The money will be back to your payment account within 7 days.

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