Quiz 1: Web Application Layers

Which layer of a web application is primarily responsible for everything the user sees and interacts with directly?

• Back-End

• Database

• Front-End

• Middleware

Which language is primarily used for defining the structure and content of web pages in the front-end?

• JavaScript

• CSS

• HTML

• Python

What is the main role of an API in the context of web application layers?

• To style web pages

• To manage database connections

• To provide a way for the Front-End to communicate with the Back-End

• To create wireframes

Which type of database organizes data into tables with predefined schemas?

• NoSQL Database

• Graph Database

• Relational Database

• Key-Value Store

Data persistence, ensuring data remains stored even after the application closes or users log off, is a core concept of which layer?

• Front-End

• Back-End

• Database

• API

The 'brains of the operation' layer, handling business logic and data processing, refers to the:

• Front-End Layer

• Database Layer

• Back-End Layer

• Cloud Layer

Which of these is NOT a common server-side language mentioned for back-end development?

• Python

• PHP

• JavaScript (Node.js)

• HTML

Which of the following describes the function of the Front-End in rendering elements like buttons and forms?

• Business Logic

• Data Processing

• User Interface (UI)

• Query Optimization

If a web application manages user logins and permissions, which layer is primarily responsible for these functions?

• Front-End

• Database

• Back-End

• UI/UX Layer

The fundamental purpose of the database layer is to provide:

• Client-side interactivity

• Server-side routing

• Persistent data storage

• Front-end styling