MapReduce Basics

Did you go through the material shared with you? (Be Honest..!)

• Yes, I read it completely

• Yes, but I read a small part of it

• No, I did not read

MapReduce programming model is meant to process small quantities of data.

• True

• False

MapReduce programming model was introduced by _________.

• Microsoft

• Google

• Manjrasoft

• Wipro

MapReduce programming model developed by Google in _________ language.

• Python

• Ruby

• Java

• .NET

The computation logic is expressed by two functions. Identify them.

• Map

• Shuffle

• Aggregate

• Reduce

Identify the component that handles the "data transfer and data management" in the MapReduce model.

• Google File System (GFS)

• File System (FS)

• Key -> Value Pair

• Map & Reduce functions

Output of ___________ is input to ___________ in the mapreduce programming model.

• Reduce, Map

• Map, Reduce

• Map, Partitioner

• Reduce, Aggregator

According to Google implementation, there are 2 types of processes. Which are they?

• Monitor

• Master

• Worker

• Leader

Identify the correct statement with respect to the master process.

• Controls the execution of map task

• Controls the execution of reduce task

• Reorganizes the intermediate output from the map.

• Hosts the execution of map and reduce task.

The worker process hosts the execution of the map and reduce tasks.

• True

• False