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Introduction to Big Data, End Term

January 2024 term, 28 Apr 2024, Set QDB1

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Question 1

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What best describes "big data"?

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A.
Big data is used to refer to the set of technologies built around Hadoop
B.
Big data refers to the cloud-native design principle
C.
Big data is about All data, Any Time, Any Method
D.
Big data is about volume, velocity, variety

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What best describes "big data"? Which of these are implementations of the divide-and-conquer paradigm? A website sees 1 Billion hits every month. The website owner wants to count average hits per customer in the latest month, where a customer is denoted by the IP address of the device from which the customer is accessing the website. The owner has at his disposal a Hadoop cluster of 5 workers and 2 masters each with 1GB of RAM. Which of the following methods is the most likely to finish fastest?