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Big Data Analytics

The number of maps is usually driven by the total size of ____________

inputs

outputs

Tasks

jobs

A ________ node acts as the Slave and is responsible for executing a Task assigned to it by the JobTracker

TaskTracker

Job tracker

Data Node

name node

_________ function is responsible for consolidating the results produced by each of the Map() functions/tasks.

Map()

Reduce()

Input Splitting()

Shuffle & sort()

_________ maps input key/value pairs to a set of intermediate key/value pairs.

Mapper

Reducer

Both Mapper and Reducer

None of the Above

What is associated with the three words :velocity, volume and variety

Big data

Huge data

large data

large files

__________ has the world’s largest Hadoop cluster.

Apple

Facebook

twitter

None of the above

Comment on the statement: 3V’s are not sufficient to describe big data.

True

False

Data Veracity means _______________________.

imprecise data

variety of data

uncertain data

different sources of data

Data in ____ bytes size is called big data

mega

peta

tera

giga

Transaction of data of the bank is a type of.

Structured data

unstructured data

Semi-Structured data

none

0

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