DATABASE FUNDAMENTALS
BASICS OF BIG DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Velocity-since we might have to generate the recommendations in real time
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Volume-since we will have to record the behaviour of many users
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Variety-since computation of recommendations is complex and might require processing data in various forms
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All of the above
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Detailed explanation-1: -The recommendations generation of an e-commerce global leader on huge data as well as real-time data represent which characteristic of Big Data? Which of the following is an example of big data? Variety is a characteristic of big data.
Detailed explanation-2: -Big data is a collection of data from many different sources and is often describe by five characteristics: volume, value, variety, velocity, and veracity.
Detailed explanation-3: -Veracity is the fourth V in the 5 V’s of big data. It refers to the quality and accuracy of data. Gathered data could have missing pieces, may be inaccurate or may not be able to provide real, valuable insight. Veracity, overall, refers to the level of trust there is in the collected data.
Detailed explanation-4: -Which one of the following options is the real-time application of big data (Hadoop)? Hadoop is a popular open source application of big data that is used in computing a large amount of information and data. Along with that, it is used in the management of media files such as audio, video text and images etc.