Suppose you are browsing the world wide web using a web browser and trying to…

2014

Suppose you are browsing the world wide web using a web browser and trying to access the web servers. What is the underlying protocol and port number that are being used?

  1. A.

    UDP, 80

  2. B.

    TCP, 80

  3. C.

    TCP, 25

  4. D.

    UDP, 25

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Correct answer: B

Web browsing typically uses the Hypertext Transfer Protocol (HTTP) to communicate with web servers. This protocol operates over TCP (Transmission Control Protocol) to ensure reliable data delivery. The standard port assigned for unencrypted HTTP traffic is Port 80.

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