$1.$What are the traditional $3$ Vs of Big Data? Briefly, define each.

$2.$ Explain why companies like Google and Amazon were among the first to address the Big

Data problem.

$3.$ Explain why veracity, value, and visualization can also be said to apply to relational

databases as well as Big Data?

$4.$ What are the key assumptions made by the Hadoop Distributed File System approach?

$5.$ What is the difference between a name node and a data node in HDFS$?$

$6.$ Briefly explain how HDFS and MapReduce are complementary to each other.

$7.$ How are the value components of a key$-$value database and a document database

different?

$8.$ Explain why graph databases tend to struggle with scaling out?