Data Analytics Pipeline and Data Assurance Flashcard

Front

Which phase of the Data Analytics Pipeline (DAP) is responsible for cleaning, converting, and aggregating raw data into a usable format?

Back

Transformation

Answer explanation

The Transformation phase of the Data Analytics Pipeline is responsible for cleaning, converting, and aggregating raw data into a usable format, making it essential for effective data analysis.

Front

Name the five key phases of the Data Lifecycle Management (DLM) process.

Back

Creation, Storage, Use, Archival, Deletion

Answer explanation

The correct answer is 'Creation, Storage, Use, Archival, Deletion' as these phases represent the essential steps in managing data throughout its lifecycle, from initial creation to final deletion.

Front

Contrast Validation and Verification as data assurance checks.

Back

Validation checks if data meets requirements; Verification checks if data is accurate

Answer explanation

Validation ensures data meets specified requirements, while Verification confirms the accuracy of the data. Therefore, the correct choice is that Validation checks if data meets requirements; Verification checks if data is accurate.

Front

Define Data Quality and outline one consequence of poor data quality on business decision-making.

Back

Data Quality is the accuracy and reliability of data; poor data quality can lead to incorrect business decisions.

Answer explanation

Data Quality refers to the accuracy and reliability of data. When data quality is poor, it can result in incorrect business decisions, leading to potential financial losses and strategic missteps.

Front

Which phase of the Data Lifecycle Management process involves removing data that is no longer needed?

Back

Deletion

Answer explanation

The Deletion phase of the Data Lifecycle Management process specifically involves removing data that is no longer needed, ensuring efficient data management and compliance with data retention policies.

Front

What is a disadvantage of storing redundant data within an organisation?

Back

Increased storage costs and potential for confusion

Answer explanation

Storing redundant data increases storage costs and can lead to confusion, as multiple copies may become inconsistent. This makes it harder to maintain data integrity and can complicate data management.

Front

Which data assurance consideration is concerned with whether the data is available when needed for analysis?

Back

Availability

Answer explanation

The correct choice is 'Availability' because it refers to the assurance that data is accessible and ready for use when required for analysis, ensuring timely decision-making.

Front

What is the primary purpose of Descriptive Analytics?

Back

To summarise and describe historical data

Answer explanation

The primary purpose of Descriptive Analytics is to summarise and describe historical data, providing insights into past events and trends, rather than predicting future outcomes or prescribing actions.

Front

What is an infographic and what are its key characteristics as a data presentation method?

Back

A graphical representation combining images, charts, and minimal text to explain data

Answer explanation

An infographic is a graphical representation that combines images, charts, and minimal text to effectively explain data. This distinguishes it from simple text documents, raw data tables, or video presentations.

Front

What is the primary role of a public API for an organisation?

Back

To allow external developers to access certain services or data

Answer explanation

The primary role of a public API is to allow external developers to access certain services or data, facilitating integration and innovation while maintaining control over internal resources.