Big Data & Hadoop MCQ Quiz

What are the 5 Vs of Big Data?

• Volume, Velocity, Variety, Veracity, Value

• Volume, Variety, Validity, Velocity, Visualization

• Volume, Variety, Velocity, Visibility, Value

• Volume, Verification, Variety, Velocity, Value

Which of the following is a type of digital data?

• Structured

• Semi-structured

• Unstructured

• All of the above

Who is known as the pioneer of Big Data innovation?

• Tim Berners-Lee

• Doug Cutting

• Linus Torvalds

• James Gosling

Which of these is NOT a driver for Big Data adoption?

• Data-driven decision making

• Growth of data sources

• Slow data processing

• Technology advances

What file system does Hadoop primarily use?

• NTFS

• FAT32

• HDFS

• EXT4

Which Hadoop component is responsible for resource management?

• HDFS

• YARN

• MapReduce

• Hive

What is the default block size in HDFS?

• 32 MB

• 64 MB

• 128 MB

• 256 MB

How many copies of each data block does HDFS store by default?

• 1

• 2

• 3

• 4

What is the main purpose of MapReduce?

• Data storage

• Data processing

• Data visualization

• Data backup

Which of the following is NOT a MapReduce phase?

• Map

• Shuffle and Sort

• Reduce

• Indexing