Big Data- Lec 1 (BD) Flashcards
Big data is data in the size of:
a. GB
b. MB
c. PB
c- anything bigger than PB
Which of the following is not true about big data?
a. it is the size of PB
b. it is any data that is not able to be handled by traditional software due to its size
c. the 4 V’s of Big data includes value
d. progress and innovation is hindered by our ability to attend to the data in a timely and scalable fashion
c= f
value is not part of 4 vs
t/f
- XML = structured data
- streaming data can be scanned multiple times as long as you are specific about the route system
- An example of Big public Data is weather
- f –> xml = semistructured
- f - can only be scanned once
- true
Match
- Big public data
- application which accepts many types of data
- streaming data
- text data
- semi-structured data
- relational data
- graph data
- weather
- tables
- XML
- finance
- transactions
- spotify
- chat gpt
- web page
- legacy data
- social network data
- semantic web data
- netflix
- weather = 1
- tables = 6
- XML = 5
- finance = 1
- transactions = 6
- spotify 3
- chat gpt 1
- web page = 4
- legacy data = 6
- social network data = 7
- semantic web data = 7
- netflix 3
which of the following is not part of the 4 v’s
a. variety
b. value
c. volume
d. vision
d. veracity
d
which of the following is not an ex of real-time analytics?
- Netflix movie recommendation system setting up a trailer for a movie they think you will like based on your current one.
- friends invitation to join a party
- RBC preventing fraud as it is happening in front of them preventing it more proactively
- Apple setting up a dashboard on Samsung to see why customers switch to them
all are
which of the following is not an ex of real-time analytics?
- Netflix movie recommendation system setting up a trailer for a movie they think you will like based on your current one.
- friends invitation to join a party
- RBC preventing fraud as it is happening in front of them preventing it more proactively
- Apple setting up a dashboard on Samsung to see why customers switch to them
t/f
OLAP handles raw data
OLTP handles clean and processed data
F - its the opp
oltp = raw
__________ refers to the messiness and trustworthiness of the data.
a. value
b. variety
c. veracity
c
t/f
Another word for the veracity v of big data is complexity.
f = its variety
examples of real-time data do not include:
a - sensor technology and networks
b - scientific instruments
c - social media
d - regular ios updates
d
