Question $2$: True $/$ False $[5$ marks$]$

O$.1.$ Reduce is the process after the completion of map task where the output of each mapper is sorted according to the keys.

Making decision and extracting patterns are classified in the Intelligent phase of data processing.

$13.$ Pig is on the top of Hadoop to create complex jobs to process large volume of data quickly and efficiently.

NOSQL databases are used in real$-$time web applications and big data and their use are increasing over time. $($And$)$ NOSQL systems are also sometimes called Not only SQL to emphasize the fact that they may support SQL$-$like query languages.

Network bandwidth available to processes varies depending upon location of the processes. That is$,$ bandwidth available becomes lesser as we go away from different nodes on the same rack but it does not matter $($in term of bandwidth$)$ for the processes on the same node.