Big data engineer Interview Questions in United States | Glassdoor.co.in

Big data engineer Interview Questions in United States

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Any challenge that you have faced while handling big data in a company

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What is big data, map reduce and data lake

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Asked me about visualization tools ?

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Algorithmic/time complexity - Given two arbitrarily large lists (L1 and L2) of integers, +ve and -ve, and a random integer k, write an algorithm to find pairs (a,b) such that a+b=k for all a in L1, b in L2

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HDFS v/s AWS. Which better. Support Answer

Reverse a binary tree (left to right)

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How would you handle an application at scale?