FC0-U71 Software Development Concepts Practice Question
A mobile app needs to display weather data from an online service. The app sends HTTP requests and receives responses in JSON format. This communication is made possible by a set of rules and protocols that allow the app and the service to interact. This set of rules is called a(n):
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
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API
An API (Application Programming Interface) defines how software components should interact, often using HTTP and JSON.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Data structure
Why it's wrong here
A data structure organizes data.
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API
Why this is correct
An API allows software to communicate via defined protocols.
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SDLC
Why it's wrong here
SDLC is the software development life cycle process.
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Algorithm
Why it's wrong here
An algorithm is a step-by-step procedure.
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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.