Multiple choice

A challenge-response test used in computing as an attempt to ensure that the response is generated by a human being is called

  1. skimmer

  2. captcha

  3. doodle

  4. phishing

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

(2) CAPTCHA is a type of challenge-response test used in computing as an attempt to ensure that the response is generated by a human being. The process usually involves a computer asking a user to complete a simple test which the computer is able to grade.