A web application developer is writing code for validating the user input. His aim is to verify the user input against a list of predefined negative inputs to ensure that the received input is not one among the negative conditions. Identify the input filtering mechanism being implemented by the developer?

Question

Quizplus · Accepted Answer

The developer is using a blacklisting approach, which involves checking user input against a list of known negative or disallowed inputs to prevent them from being accepted.

A Web Application Developer Is Writing Code for Validating the User