DELL TECHNOLOGIES

Dell Data Science Optimize

DATA-SCIENCE-OPTIMIZE

The Dell Data Science Optimize certification validates your ability to apply advanced analytical methods, work with Hadoop and NoSQL ecosystems, and use natural language processing, social network analysis, and data visualization to solve real business challenges. Designed for data scientists who want to evolve beyond foundations, this credential demonstrates you can identify, analyze, and communicate data-driven conclusions that drive decisions across domains.

Practice Free Questions

6Domains

19Objectives

103Practice pages

469Free questions

DATA-SCIENCE-OPTIMIZE free practice questions

Choose any objective and open any question page — no sign-in required.

MapReduce framework and its implementation in Hadoop

22 questions · 5 pages

Questions 1–5 6–10 11–15 16–20 21–22

Hadoop Distributed File System (HDFS)

20 questions · 4 pages

Questions 1–5 6–10 11–15 16–20

Yet Another Resource Negotiator (YARN)

31 questions · 7 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–31

Pig

17 questions · 4 pages

Questions 1–5 6–10 11–15 16–17

Hive

31 questions · 7 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–31

NoSQL

25 questions · 5 pages

Questions 1–5 6–10 11–15 16–20 21–25

HBase

28 questions · 6 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–28

Spark

25 questions · 5 pages

Questions 1–5 6–10 11–15 16–20 21–25

NLP and the four main categories of ambiguity

28 questions · 6 pages

Text Preprocessing

44 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–44

Language Modeling

26 questions · 6 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–26

SNA and Graph Theory

20 questions · 4 pages

Questions 1–5 6–10 11–15 16–20

Communities

18 questions · 4 pages

Questions 1–5 6–10 11–15 16–18

Network Problems and SNA Tools

16 questions · 4 pages

Questions 1–5 6–10 11–15 16–16

Simulation

21 questions · 5 pages

Questions 1–5 6–10 11–15 16–20 21–21

Random Forests

26 questions · 6 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–26

Multinomial Logistic Regression and Maximum Entropy

16 questions · 4 pages

Questions 1–5 6–10 11–15 16–16

Perception and Visualization

28 questions · 6 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–28

Visualization of Multivariate Data

27 questions · 6 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–27

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Percentages reflect share of the current practice bank, not official exam weightings. Every page above is a live, crawlable practice page (19 objectives · 103 pages).

Dell Data Science Optimize

DATA-SCIENCE-OPTIMIZE free practice questions

Domain 1 · MapReduce16% of practice bank · 3 objectives · 73 questions16%

Domain 2 · Hadoop Ecosystem and NoSQL27% of practice bank · 5 objectives · 126 questions27%

Domain 3 · Natural Language Processing (NLP)21% of practice bank · 3 objectives · 98 questions21%

Domain 4 · Social Network Analysis (SNA)12% of practice bank · 3 objectives · 54 questions12%

Domain 5 · Data Science Theory and Methods13% of practice bank · 3 objectives · 63 questions13%

Domain 6 · Data Visualization12% of practice bank · 2 objectives · 55 questions12%