What is the function of a CAPTCHA? A To schedule appointments and meetings, store tương tác information, and manage tasks B To identify and filter out spam messages before they reach the tin nhắn Inbox C o To publish a list of IP addresses known to tướng be sources of spam D o To differentiate humans from automated senders during online transactions
Asked in United States
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Explanation
The question asks for the function of a CAPTCHA
Option A is incorrect because it describes the function of a calendar or task management application, not a CAPTCHA
Option B is incorrect because it describes the function of a spam filter, not a CAPTCHA
Option C is incorrect because it describes a blacklist, which is a list of known spam sources, not a CAPTCHA
Option D is correct because CAPTCHAs are designed to tướng differentiate humans from automated senders during online transactions. CAPTCHAs are used to tướng prevent bots from accessing websites and performing actions that are intended for human users
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