Big Data

Question 1

What are the 5 Vs of big data?

Answer 1

Volume
Velocity
Value
Veracity
Variety

Question 2

What is Big Data?

Answer 2

Big Data refers to data collected from you by companies and organisations

Question 3

What is Big Data used for?

Answer 3

Big Data is used for companies and organisations to improve their services and generate more profit

Question 4

What are the dangers of Big Data?

Answer 4

It may have errors or be stolen by hackers for malicious purposes

Question 5

How much data on average is generated per month by a single user?

Answer 5

40 Exabytes

Question 6

What is volume?

Answer 6

The amount of data being generated

Question 7

What is velocity?

Answer 7

The speed that data is being generated at

Question 8

What is veracity?

Answer 8

The trustworthiness of data being generated

Question 9

What is variety?

Answer 9

The amount of different data

Question 10

What is value?

Answer 10

How useful the data is to the company collecting it

Question 11

What is a Big Data framework?

Answer 11

It is used to quickly manage, store and analyse Big Data

Question 12

What is an example of a Big Data framework?

Answer 12

Hadoop

Question 13

What are some of the difficulties of analysing Big Data?

Answer 13

It is very large in size and requires lots of computing power to analyse

Question 14

What is parallel processing?

Answer 14

Parallel processing is where many computers work on different parts of one task at the same time

Question 15

What is distributed data?

Answer 15

It is where data is stored on multiple computers or nodes

Question 16

What is stream processing?

Answer 16

Stream processing is where data is analysed in real time

Question 17

What are some sensors used for Big Data collection?

Answer 17

GPS - Global positioning system
RFID - Radio-Frequency …
NFC - Near-Field communication
Bluetooth