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?
(A)
UDP, 80
(B)
TCP, 80
(C)
TCP, 25
(D)
UDP, 25
Answer: (B)
Explanation:
For a connection – oriented data communication and transfer, TCP is used. So, for a browser to connect and access to the web servers, a TCP connection will be required and it works on a well-defined port number 80. So, option (B) is correct.
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