Which of the following port numbers are used by the HTTPS protocol.
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A. B. C. D.Answer - D.
For more information on the HTTPs protocol, please visit the below link:
https://en.wikipedia.org/wiki/HTTPSThe HTTPS protocol (HTTP Secure) is used to encrypt HTTP traffic between clients and servers, providing a secure communication channel over the internet. It utilizes a combination of Transport Layer Security (TLS) or Secure Sockets Layer (SSL) and HTTP to provide encryption and authentication.
The port number used by HTTPS protocol is 443. When a user types "https://" before a website's URL, the browser will send requests to the server on port 443 by default. This port is the designated port for HTTPS traffic and is typically open on firewalls to allow secure web browsing. The HTTPS protocol is used for online banking, e-commerce transactions, and other activities that require a high level of security.
Port 80 is the default port number for HTTP, the unencrypted version of the protocol. Port 22 is used for Secure Shell (SSH), a secure remote access protocol. Port 23 is used for Telnet, a remote access protocol that is not secure and is often disabled or blocked due to security concerns.
In conclusion, the correct answer to the exam question is D. Port 443 is used by the HTTPS protocol.