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EndsemMay 20242019 patternTE IT

Data Science & Big Data Analytics (DSBDA) SPPU Endsem Question Paper May 2024

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated DSBDA questions
Subject code
314452
Pattern
2019 pattern
Exam
Endsem
Session
May 2024
Max. marks
70
Time
2½ Hours
Semester
II
Paper code
[6262]-130

Printed for: T.E. (Information Technology)

Instructions to the candidates

  1. All questions are compulsory.
  2. Figures to the right indicate full marks.

Questions

  1. Q1

    1. a)

      Explain all the steps for writing a file in HDFS with neat diagram.

      [8]
    2. b)

      Describe the various types of NoSQL Databases with example and also compare them.

      Also asked:May 2025

      [10]

  2. Q2

    1. a)

      Why map reduce is required in Hadoop? Explain the stages involved in map reduce task with a suitable example?

      [9]
    2. b)

      What is Hadoop Distributed system? What is the advantage of heart bit message in Hadoop.

      [9]

  3. Q3

    1. a)

      Compare HBASE and HIVE with suitable parameters.

      [8]
    2. b)

      How missing values are filled in Pandas Data Frame with zeros? Assume suitable data.

      [3]
    3. c)

      Explain Min-max scaling. For the following dataset carry out min-max Scaling, X = 24,28,53,30,40,18,15,21.

      [6]

  4. Q4

    1. a)

      What is categorical variable? Why do you need categorical variable encoding? With an example, explain one-hot encoding?

      [8]
    2. b)

      What is data wrangling? Why do you need it? Explain data wrangling methods? 2

      [9]

  5. Q5

    1. a)

      How Data Visualization is important in Big Data? Explain challenges to big data visualization?

      Also asked:Nov 2025 ·Nov 2022 ·May 2022

      [6]
    2. b)

      Explain various techniques for visual data representation.

      [6]
    3. c)

      Explain the following data visualization techniques. i) Google Chart API ii) D3.js

      [6]

  6. Q6

    1. a)

      Explain data visualization with respect to l-D, 2-D, 3-D data?

      [6]
    2. b)

      Explain various analytical techniques and tools used in data visualization.

      [6]
    3. c)

      Draw boxplot with a suitable example and explain its usage.

      [6]

  7. Q7

    1. a)

      What is text mining? Draw and explain text mining architecture and its use.

      Also asked:May 2025 ·May 2022

      [8]
    2. b)

      Explain primary activities of Michal Porters value chain.

      [5]
    3. c)

      How mobile analytic is different from social media analytic?

      [4]

  8. Q8

    1. a)

      What is Porters valuation creation model? Explain porter’s value chain analysis.

      [9]
    2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [8]