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Introduction to Big Data · Quiz 2 · 3 Dec 2023 · September 2023 term

Intro to Big Data Quiz 2 3 Dec 2023 — Question 23

Question 23

+4 marksOne or more correct options

Which of the following is true?

Select all that apply.

  1. A

    Snapshots of source systems can be created using an event capture tool like CDC and then replaying the events in sequence for that time period.

  2. B

    A data lake is a collection of data to be provided as input for data science algorithms.

  3. C

    Zookeeper is a library for ensuring all services used in big data are monitored, administered and cleaned at appropriate intervals.

  4. D

    A single Spark cluster can have multiple “leader” master nodes.

  5. E

    Spark is optimized for in-memory computation.

  6. F

    Given the RDD underlying a Dataframe, you can recreate the same Dataframe provided you know the schema

Show answer

Correct answers

  • A

    Snapshots of source systems can be created using an event capture tool like CDC and then replaying the events in sequence for that time period.

  • E

    Spark is optimized for in-memory computation.

  • F

    Given the RDD underlying a Dataframe, you can recreate the same Dataframe provided you know the schema

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Question 23 of 26 in the IIT Madras BS Introduction to Big Data (Intro to Big Data) Quiz 2 paper sat on 3 Dec 2023, in the September 2023 term (IIT M DEGREE AN2 EXAM QDB2 03 Dec 2023). It carries 4 marks.

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