Question

Name the communication protocol standard to access web-based information.

Hint:

When accessing web-based information, always look for the "https" prefix in the URL, especially when entering sensitive data such as passwords or credit card information. This ensures that the data is transmitted securely.

Answer 1

The communication protocol standard used to access web-based information is the HTTP (HyperText Transfer Protocol). HTTP is an application-layer protocol that facilitates communication between clients (usually web browsers) and servers on the World Wide Web.

HTTP: It is the foundation of any data exchange on the Web. It allows clients to request resources (like HTML documents, images, videos, etc.) from servers and receive responses.
How it Works: HTTP works through a request-response model. A client sends an HTTP request to a server, and the server sends back an HTTP response with the requested data. This is usually done over TCP/IP.
Stateless Protocol: HTTP is considered a stateless protocol, which means each request is independent and does not rely on previous requests. However, technologies like cookies and sessions can maintain state for users across requests.
HTTP Methods: Some common HTTP methods include:

\texttt{GET}: Used to request data from a server.
\texttt{POST}: Used to send data to a server.
\texttt{PUT}: Used to update data on a server.
\texttt{DELETE}: Used to delete data on a server.

HTTPS: HTTPS (HyperText Transfer Protocol Secure) is an extension of HTTP that adds a layer of security by using SSL/TLS encryption. HTTPS ensures that communication between the client and server is encrypted, preventing eavesdropping and tampering.