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D-DS-FN-23 Test Assessment & D-DS-FN-23 Valid Test Simulator

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

Topic
Details

Topic 1

Big Data, Analytics, and the Data Scientist Role: This section of the exam measures the skills of a Data Science Enthusiast and covers the basic concepts of Big Data, including its defining characteristics and the business drivers behind its rise. It also introduces the role of the Data Scientist, highlighting the critical skills needed in the data science field.

Topic 2

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 3

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.

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EMC Dell Data Science Foundations Sample Questions (Q58-Q63):

NEW QUESTION # 58
What is required in a presentation for project sponsors?

A. Detailed statistical basis for the modeling approach used in the project
B. Line by line review of the developed code
C. Data warehouse design changes
D. The "Big Picture" takeaways for executive level stakeholders

Answer: D

NEW QUESTION # 59
Your company has 3 different sales teams. Each team's sales manager has developed incentive offers to increase the size of each sales transaction.
Any sales manager whose incentive program can be shown to increase the size of the average sales transaction will receive a bonus. Data are available for the number and average sale amount for transactions offering one of the incentives as well as transactions offering no incentive.
The VP of Sales has asked you to determine analytically if any of the incentive programs has resulted in a demonstrable increase in the average sale amount.
Which analytical technique would be appropriate in this situation?

A. Student's t-test
B. Wilcox son Rank Sum Test
C. Multi-way ANOVA
D. One-way ANOVA

Answer: D

NEW QUESTION # 60
Adata scientist is investigating a new database column that needs to be integrated into their model. The column contains 10,000 labels with 300 unique values.
Which data structure should be used when working in R?

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

Answer: B

NEW QUESTION # 61
You have run the association rules algorithm on your data set, and the two rules {banana, apple} =>
{grape} and {apple, orange}=> {grape} have been found to be relevant.
What else must be true?

A. {banana, apple} => {orange} must be a relevant rule.
B. {banana, apple, grape, orange} must be a frequent itemset.
C. {grape} => {banana, apple} must be a relevant rule.
D. {grape, apple, orange} must be a frequent itemset.

Answer: D

NEW QUESTION # 62
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. Array
C. Data frame
D. Matrix

Answer: C

NEW QUESTION # 63
......

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