JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech IV BIG DATA ANALYTICS Previous Question Paper (May/June - 2019 - R15)
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks.
Part A
What are the sources of secondary data?
Answer
Secondary data sources include published government reports, academic journals, books, websites, census data, historical documents, and commercial databases.
Which source of Data is more reliable and Why?
Answer
Primary data is generally more reliable because it is collected firsthand by the researcher for a specific purpose, ensuring higher accuracy, relevance, and control over the methodology, whereas secondary data may be outdated, biased, or collected for a different objective.
What are the two types of gaps in the data?
Answer
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Explain Kepner - Tregoe Approach?
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What are graph databases?
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Discuss the need for data pre-processing?
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What does the test data mean?
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Discuss the difference between classification and clustering?
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Define data presentation architecture.
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Why do we use data visualization?
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Part B
Explain the steps to show how design data architecture is used to manage the data analysis.
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Discuss the various types of emergencies that may come across at the workplace.
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Explain in detail about the benefits of using Spark, Scala and Impala.
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With a neat diagram explain the Knowledge management needs to deal with knowledge items.
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What are outliers and explain the process involved in detecting them?
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With the help of an example explain in detail about MapReduce technique.
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Explain in detail about various types of machine learning algorithms.
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Give case studies to explain the practical uses of machine learning algorithms.
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List out the insights out of the visualization tools. Explain.
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Write down steps involved in Data Visualization using InTableu tool. Explain.
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