Data

What is the definition of data?

• Processed information

• Raw facts and figures

• An organized set of records

• Contextual information

• An analytical result

Which of the following is an example of structured data?

• Emails

• Video files

• JSON files

• SQL database tables

• Social media posts

What characteristic of data refers to the speed at which it is generated and processed?

• Volume

• Variety

• Veracity

• Value

• Velocity

In the data lifecycle, what comes after data creation?

• Data analysis

• Data storage and management

• Data destruction

• Data archiving

• Data retention

What is the primary purpose of data profiling(දත්ත පැතිකඩ)?

• Encrypting data

• Generating reports

• Analyzing data structure and quality

• Archiving data

• Visualizing data

Which method is used for securely overwriting data to prevent its recovery?

• Shredding
  

• Degaussing
  

• Data wiping
  

• Incineration
  

• Encryption

What does the term "big data" primarily refer to?

• Data with high velocity

  (ප්රවේගය)
  

• Data with high volume
  

• Data with high veracity
  (සත්යතාව)

• Data with high variety
  

• Data with high value

What is a common tool used for data visualization?

• SQL
  

• Python
  

• Hadoop
  

• Tableau
  

• JSON

Which of the following is not a type of data?

• Structured
  

• Semi-structured
  

• Unstructured
  

• Formatted
  

• Raw

What is the purpose of data encryption?

• Improving data quality

• Protecting data privacy
  

• Compressing data
  

• Archiving data
  

• Analyzing data