*Correct Answer: (4) Security* *Analysis:* The "I AM NOT A ROBOT" requirement is an example of a security measure known as CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart). CAPTCHA is designed to prevent automated bots from accessing websites, registering fake accounts, or performing other malicious activities. *Why Security?* - *Prevents Automated Attacks*: CAPTCHA helps prevent automated bots from accessing websites, thereby enhancing security. - *Protects Against Spam and Abuse*: By verifying that users are human, CAPTCHA helps protect websites from spam and abuse. - *Ensures Legitimate Access*: CAPTCHA ensures that only legitimate human users can access websites, thereby maintaining security. *Other Options:* - *Accuracy*: Refers to the correctness and precision of data, not related to preventing automated attacks. - *Matching*: Refers to the process of matching data or identifying patterns, not directly related to security measures like CAPTCHA. - *Quality*: Refers to the overall quality of data, not specifically related to security measures like CAPTCHA. *Conclusion:* The "I AM NOT A ROBOT" requirement is a security measure designed to prevent automated attacks and ensure that only legitimate human users can access websites. Therefore, the correct answer is (4) Security. 🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥 👉 Exams --- NET JRF SET PGT Asst Professor 💫 Ab EXAM hogi CRACK 1 Bar मे ही Send Your address & You will Get Your SUBJECT KIT. All india 🇮🇳 Access by India Post Pre Booking open [ Limited Stock [ [ All Subject + Paper 1]  Fore more information 👇👇👇👇 wa.me/+91919216009964?text=WC_Book_my_Study_KIT_MY_Address_is 🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥 ProfessorsAdda Helpline No -- 7690022111/ 9216228788