You have encountered a technology that is effective in blocking computer-generated attempts to access a website because it is generally easy for humans to recognize distorted characters. What is this technology?
A)CAPTCHA
B)CERT/CC
C)two-step verification
D)serial authentication

Question

Quizplus · Accepted Answer

CAPTCHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart. It is a technology that presents distorted characters in a challenge-response test to determine whether the user is a human or a computer program attempting to access a website. These distorted characters are usually difficult for computers to detect and read accurately, but easy for humans to identify.

You Have Encountered a Technology That Is Effective in Blocking