What is the primary purpose of a "CAPTCHA" (Completely Automated Public Turing test to tel

A) To encrypt user data during transmission.

B) To prevent automated bots from accessing or spamming a site.

C) To verify a user's geographical location.

D) To offer a secure login method using biometrics.

Explanation

CAPTCHAs are designed to distinguish between human users and automated bots, thus preventing spam, brute-force attacks, and other malicious automated activities on websites by requiring a human to solve a simple challenge.

Practice More Computer Science Questions

What is the primary purpose of a "CAPTCHA" (Completely Automated Public Turing test to tell Computers and Humans Apart) on a website?

Explanation