DA0-002 Question #23: Real Exam Question with Answer & Explanation

Question

Which of the following data sources makes online data consumption easier?

Options

• AData mart
• BWeb scraping
• CDatabase
• DApplication programming interface

Explanation

An Application Programming Interface (API) makes online data consumption easier by providing a standardized and programmatic way to access and interact with data from web services. APIs abstract the underlying data storage and offer defined endpoints for retrieving specific information.

Common mistakes.

• A. A data mart is a subset of a data warehouse, optimized for specific departments or business functions, and while it provides structured data, it's typically accessed via analytical tools rather than directly enabling 'online data consumption' in the programmatic sense of an API.
• B. Web scraping involves extracting data from websites, which can be complex, unreliable due to website changes, and often violates terms of service, making it a difficult method for easy and reliable online data consumption.
• C. A database stores data, but direct online consumption from a raw database often requires specific connection details, query languages, and security configurations, which is less straightforward for general online consumption compared to an API endpoint.

Concept tested. API for data consumption

Reference. https://learn.microsoft.com/en-us/rest/api/rest-handbook/what-is-a-rest-api

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