Database Quiz 6 Big Data Quiz

The three important features of Big Data are ……………..

• Volume, vulnerability and variety

• Volume, velocity and variety

• Variety, vulnerability and volume

• Velocity, vulnerability and volume

What are the 3 features of fact-based modelling?

What programming paradigm is suitable for processing Big Data?

• Object-oriented

• Functional

• Declarative

• Procedural

In Graph schemas, nodes (vertices) are the _____ and the edges are the ______ between data.

• facts; attributes

• facts; entities

• entities; relationships

• entities; attributes

Which one of the following is NOT a problems with Big Data?

• Large data sets to store and analyse.

• Difficulty in analysing unstructured data.

• Multiple servers and dedicated network are not required

• Finding a correlation does not necessarily lead to a solution.

Why is the functional programming best suited to process big data?

• no side effects

• Allows multiple processors to work together

• Immutable objects

• All of the above

The fact that when a value of a variable changes, it may affect the other parts of the program is called ………………..

• Immutability

• Side effect

• State

• Distributed processing

Which of the following is FALSE about the type of data in fact-based modelling?

• Data is stored with timestamps

• Data stored is immutable

• Data is stored in the form of a traditional relational database

Which of the following is (are) the component(s) of a graph schema?

• Nodes

• Relationships

• Properties of nodes and relationships

• All of the above

The process of splitting a large complex task to multiple computers or servers that are connected through a dedicated network is called …………………………..

• Multi-processing

• Real-time processing

• Distributed processing

• Transaction processing