D-DS-FN-23 LATEST STUDY TORRENT & D-DS-FN-23 PRACTICE DOWNLOAD PDF

D-DS-FN-23 latest study torrent & D-DS-FN-23 practice download pdf

D-DS-FN-23 latest study torrent & D-DS-FN-23 practice download pdf

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

TopicDetails
Topic 1
  • 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 2
  • 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 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.
Topic 4
  • 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.

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EMC Dell Data Science Foundations Sample Questions (Q69-Q74):

NEW QUESTION # 69
Refer to the exhibit.

In association rules, for itemsets X and Y, which expression defines leverage?

  • A. d
  • B. c
  • C. a
  • D. b

Answer: C


NEW QUESTION # 70
In naïve Bayes implementations, how is the possibility of zero probabilities resulting from unobserved attribute/classifier pairs properly handled?

  • A. Add a large quantity to each of the observed counts
  • B. Add a small quantity to each of the observed counts
  • C. Double the observed counts
  • D. Square the observed counts

Answer: B


NEW QUESTION # 71
Based on the graphic, what should be done to begin addressing chart junk?

  • A. Remove the legend
  • B. Reduce the font size in the axis
  • C. Remove the vertical gridlines

Answer: C


NEW QUESTION # 72
Which word or phrase completes the statement? A data warehouse is to a centralized database for reporting as an analytic sandbox is to a _______?

  • A. Collection of low-volume databases
  • B. Collection of data assets for modeling
  • C. Centralized database of KPIs
  • D. Collection of data assets for ETL

Answer: B


NEW QUESTION # 73
In a user-defined aggregate function, what is FFUNC?

  • A. Optional final calculation function
  • B. Segment-level calculation function
  • C. State transition function
  • D. Window function

Answer: A

Explanation:
In a user-defined aggregate function (UDAF), FFUNC refers to the optional final calculation function. It is used to perform any final calculation or transformation on the aggregated result before it is returned to the user.


NEW QUESTION # 74
......

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