FC0-U71 Applications and Software Practice Question
Which of the following best describes the function of a web API?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
It allows different software applications to communicate and exchange data.
A web API (Application Programming Interface) allows different software applications to communicate and share data over the internet. It is not a user interface, security tool, or database language.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It encrypts data transmitted between a web browser and server.
Why it's wrong here
Encryption is handled by protocols like HTTPS.
- ✗
It is a programming language used to query databases.
Why it's wrong here
SQL is used for database queries.
- ✗
It provides a graphical user interface for web applications.
Why it's wrong here
GUI is part of the frontend, not the API.
- ✓
It allows different software applications to communicate and exchange data.
Why this is correct
APIs enable interoperability between services.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This FC0-U71 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the FC0-U71 exam.