Which structural part of an email address uniquely identifies the specific inbox owner within a particular hosting provider's domain platform? MCQ with Answer and Explanation

Explanation:
CloudFlare is a CDN and reverse proxy service that distributes content from geographically distributed servers to improve speed and security.

Explanation:
The viewport meta tag controls the visible area and scaling for mobile devices, essential for responsive design.

Explanation:
AJAX (Asynchronous JavaScript and XML) is a development technique used to create interactive web applications that update data dynamically without a full-page reload.