5. Data and Information

Data Life Cycle — Quiz

Test your understanding of data life cycle with 5 practice questions.

Practice Questions

Question 1

Which of the following data life cycle stages is most critically impacted by regulations such as GDPR or CCPA, primarily due to requirements for data minimization and purpose limitation?

Question 2

A company is designing a new database system. During which stage of the data life cycle would the schema design, data types, and indexing strategies be primarily determined to optimize future data retrieval and integrity?

Question 3

In a highly regulated industry, an organization must ensure that all data modifications are traceable to the individual who made them, along with a timestamp. This requirement is a critical aspect of which data life cycle principle, often enforced through audit trails?

Question 4

Consider a scenario where a large dataset is being prepared for machine learning model training. Which stage of the data life cycle would involve extensive data cleaning, transformation, and feature engineering to ensure the data is suitable for algorithmic consumption?

Question 5

An organization is implementing a new system for managing sensitive customer data. To comply with data protection laws, they decide to encrypt the data both when it is stored on servers (data at rest) and when it is being transmitted over networks (data in transit). This comprehensive security measure primarily addresses concerns within which two interconnected stages of the data life cycle?