INTRODUCTION TO COMPUTERS
COMPUTER NETWORKS AND THE INTERNET
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 Question 
 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
 
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  Protocols 
 
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  Layers 
 
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  DNS 
 
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  Virtual networks 
 
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Detailed explanation-1: -The correct answer is A protocol. A protocol is a set of rules that governs the communications between computers on a network.
Detailed explanation-2: -The most important protocols for data transmission across the Internet are TCP (Transmission Control Protocol) and IP (Internet Protocol). Using these jointly (TCP/IP), we can link devices that access the network; some other communication protocols associated with the Internet are POP, SMTP and HTTP.
Detailed explanation-3: -Protocols provide us with a medium and set of rules to establish communication between different devices for the exchange of data and other services. Protocols are needed in every field like society, science & technology, Data Communication, media, etc.