ISRO 2024

Question

CAPTCHA is used to provide protection from

1. Zero day attack
2. Buffer Overflow
3. Automated scripted attack
4. Man in the middle attack

Answer 1

CAPTCHAs' purpose is to prevent spam on websites, such as promotion spam, registration spam, and data scraping, and bots are less likely to abuse websites with spamming if those websites use CAPTCHA. Many websites use CAPTCHA effectively to prevent bot raiding.

source: wikipedia

Ans: C