Exploring Big Data Concepts Quiz

What is the main advantage of using cloud data warehousing over traditional on-premises data warehousing?

• Lower electricity consumption

• Greater scalability and flexibility

• Increased manual maintenance

• Faster data processing

Which of the following best describes 'Big Data'?

• Data that is stored in a spreadsheet

• Data that is too large and complex to be processed by traditional data processing software

• Data that is only text-based

• Data that is always structured

In the context of big data analytics, what does the '3 Vs' stand for?

• Volume, Velocity, Variety

• Value, Validation, Version

• Visualisation, Verification, Volume

• Variety, Value, Visualisation

Explain one potential risk of cloud data warehousing? Include an example.

Which cloud service model is most commonly used for cloud data warehousing solutions?

• Infrastructure as a Service (IaaS)

• Platform as a Service (PaaS)

• Software as a Service (SaaS)

• Data as a Service (DaaS)

Which of the following best describes the process of 'data cleansing' in data mining?

• Removing duplicate or incorrect data to improve data quality

• Encrypting data for security

• Compressing data to save storage space

• Visualising data using graphs