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The EMC D-DS-FN-23 certification exam is one of the hottest and career-oriented certifications in the market. This Dell Data Science Foundations (D-DS-FN-23) certification exam has been inspiring beginners and experienced professionals since its beginning. Over this long time period, countless Dell Data Science Foundations (D-DS-FN-23) exam candidates have passed their Dell Data Science Foundations (D-DS-FN-23) certification exam, and now they are offering their services to the top world brands.

EMC D-DS-FN-23 Exam Syllabus Topics:

Topic	Details
Topic 1	Advanced Analytics for Big Data - Technology and Tools: This section of the exam measures the skills of a Data Science Enthusiast and addresses the technological challenges associated with Big Data. It introduces tools and technologies such as MapReduce, Hadoop, the Hadoop ecosystem, in-database analytics, SQL essentials, and advanced SQL techniques like window functions and MADlib.
Topic 2	Data Analytics Lifecycle: This section of the exam measures the skills of an Entry-Level Data Analyst and explains the purpose and phases of the data analytics lifecycle. It includes understanding key activities and roles involved in the discovery, data preparation, model planning, and model building phases to successfully manage analytics projects.
Topic 3	Initial Analysis of the Data: This section of the exam measures the skills of a Data Science Enthusiast and focuses on the first steps in analyzing data. It explains how basic R commands are used for exploration, discusses important statistical measures and visualizations, and describes hypothesis testing techniques for evaluating models.
Topic 4	Operationalizing an Analytics Project and Data Visualization Techniques: This section of the exam measures the skills of an Entry-Level Data Analyst and explains best practices for communicating findings and operationalizing analytics projects. It covers effective methods for presenting projects to various audiences and emphasizes the importance of planning and creating impactful data visualizations.
Topic 5	Advanced Analytics - Theory, Application, and Interpretation of Results for Eight Methods: This section of the exam measures the skills of an Entry-Level Data Analyst and covers foundational knowledge in various advanced analytics methods. Topics include the theory, application, and interpretation of K-means clustering, association rules, linear and logistic regression, naïve Bayesian classifiers, decision trees, time series analysis, and text analytics.

EMC Dell Data Science Foundations Sample Questions (Q262-Q267):

NEW QUESTION # 262
Which word or phrase completes the statement? A Data Scientist would consider that a RDBMS is to a Table as R is to a ________.

A. List
B. Data frame
C. Array
D. Matrix

Answer: B

NEW QUESTION # 263
Imagine you are trying to hire a Data Scientist for your team. In addition to technical ability and quantitative background, which additional essential trait would you look for in people applying for this position?

A. Communication skill
B. Scientific background
C. Well Organized
D. Domain expertise

Answer: A

NEW QUESTION # 264
Which SQL set operator returns rows that exist in the first SELECT statement answer set but not in the second SELECT statement?

A. EXCEPT
B. INTERSECT
C. UNION ALL
D. UNION

Answer: A

Explanation:
The EXCEPT operator returns rows that exist in the result set of the first SELECT statement but not in the second. It removes duplicates and only shows the difference between the two datasets.

NEW QUESTION # 265
Which clause is required by all window functions?

A. OVER()
B. PARTITION BY
C. RANGE()
D. ORDER BY

Answer: A

NEW QUESTION # 266
What describes the use of UNION clause in a SQL statement?

A. Operates on tables and potentially decreases the number of columns
B. Operates on queries and potentially increases the number of rows
C. Operates on queries and potentially decreases the number of rows
D. Operates on both tables and queries and potentially increases both the number of rows and columns

Answer: B

NEW QUESTION # 267
......

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