Full-Stack Development An Intro to Full-Stack Development 2

Question 1

Which layer of a full-stack application is responsible for storing and retrieving persistent data?

Accepted Answer

Data layer

Answer

The data layer handles all interactions with databases and persistent storage systems.

Question 2

What does 'REST' stand for in the context of web APIs?

Accepted Answer

Representational State Transfer

Answer

REST stands for Representational State Transfer, an architectural style for designing networked APIs.

Question 3

In a typical MVC architecture, which component handles user input and triggers updates?

Accepted Answer

Controller

Answer

The Controller receives user input, processes it, and coordinates updates between the Model and View.

Question 4

Which HTTP method is conventionally used to update an existing resource in a RESTful API?

Accepted Answer

PUT

Answer

PUT is used to update or replace an existing resource at a specified URI.

Question 5

What is the primary purpose of a CDN (Content Delivery Network) in a full-stack application?

Accepted Answer

To serve static assets from geographically distributed servers

Answer

A CDN caches and delivers static assets like images, CSS, and JS from servers near the end user to reduce latency.

Full-Stack Development Practice Test