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DASCA SDS Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Foundations of Data Science | 15-20% | - Data Science Lifecycle
|
| Topic 2: Advanced Statistical Modeling | 20-25% | - Statistical Inference
|
| Topic 3: Machine Learning at Scale | 25-30% | - Unsupervised Learning
|
| Topic 4: Big Data Engineering | 15-20% | - Distributed Computing
|
| Topic 5: Data Visualization and Communication | 10-15% | - Tools and Technologies
|
DASCA Senior Data Scientist Sample Questions:
1. Which of the following is correct about customer lifetime value (CLTV)?
i. Most organizations determine the current customer lifetime value (CLTV) based on historic sales over past
12 to 18 months
ii. The goal of the CLTV score is to help marketing and store personnel to determine the "value" of a customer
A) Only i
B) Only ii
C) Both i and ii
2. Which of the following architectural techniques is used for parallel processing?
A) The Superscalar Technique
B) The SuperVector Technique
C) Both B and C
D) Both A and B
E) Very Long Instruction Words (VLIW) Technique
3. Which of the following is TRUE about monetization exercise?
A) The monetization exercise provides an opportunity to uncover new product and/or service opportunities
B) Both B and C
C) The monetization exercise process then seeks to identify complementary or secondary recommendations that can be packaged and delivered along with that product or service
D) All of the above
E) The monetization exercise works by first understanding the product usage patterns and customer usage behaviors associated with a particular product and service
4. Which of the following is an example of NLP?
A) Both A and C
B) Using Twitter to assess public sentiment
C) All of the above
D) Flagging e-mails as spam
E) Finding which text documents are about similar topics
5. JSON takes hierarchical data structures and serializes them into:
A) Plain text format
B) Both A and B
C) Plain string format
D) Any desired format
E) None of the above
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: B |
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