Review

What is the primary challenge of using a fixed-width text file for large datasets?

• Inefficient for parsing

• Lacks flexibility compared to CSV or JSON

• Difficult to manage large datasets

• All of the above

Which data format is most suitable for web applications and APIs to transfer structured sales data?

• CSV

• XML

• JSON

• SQL

What type of data is used to identify popular products and predict future demand?

• Real numbers

• Human-generated data

• Past sales data

• Integer

How do companies use data to adjust pricing or stock levels?

• By analysing past sales data

• By collecting sensor data

• By using Boolean values

• By storing data in CSV format

What type of data includes customer reviews and feedback?

• Transactional data

• AI/machine learning data

• Human-generated data

• Sensor data

Which file format is more structured and supports metadata?

• CSV

• XML

• JSON

• HTML

What is the main benefit of using a directory-based structure for financial datasets?

• Easier data parsing

• Improved accessibility and scalability

• Better formatting

• Less storage space required

Why is JSON significant for storing and transferring user data?

• It is compact and simple

• It is widely used in APIs for real-time data exchange

• It supports hierarchical relationships

What is an example of unstructured data in user behaviour analysis?

• Click rates

• Purchase history

• Social media posts

• Dates

What role does AI play in targeted marketing?

• Collecting data

• Recommending relevant products

• Storing data

• Formatting data