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CS Professional · Artificial Intelligence, Data Analytics and Cyber Security - Laws and Practice · Network Basics and Security

An employee of Sharma Logistics Pvt. Ltd. logs into the company's online banking site. The browser address shows https and a padlock. Which statement correctly describes the protocol arrangement and its purpose?

HTTPS is HTTP running over TLS, which encrypts data in transit and authenticates the server using a certificate, normally on port 443. It is not a faster UDP variant, not a file-at-rest tool, and it does not replace or hide IP addressing.

  1. AHTTPS is HTTP carried over TLS, giving encryption and server authentication, typically on port 443Correct
  2. BHTTPS is HTTP carried over UDP, giving faster delivery, typically on port 80
  3. CHTTPS is a file transfer protocol that encrypts files at rest on the server
  4. DHTTPS replaces IP addressing so that the server's address is hidden

Explanation

HTTPS runs HTTP over TLS (earlier SSL), encrypting data in transit and authenticating the server through a certificate; the default port is 443. Port 80 is plain HTTP, HTTPS does not exist to speed delivery, is not for file storage, and still relies on IP addressing.

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