COMPUTER NETWORKS AND COMMUNICATIONS
NETWORK PROTOCOLS AND STANDARDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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TCP
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IP
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Either A or B
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None of the above
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Detailed explanation-1: -The Internet Protocol (IP), which isolates the upper layers from the underlying network and handles the addressing and delivery of data, is usually described as TCP/IP’s Network Layer. Data Link Layer. The reliable delivery of data across the underlying physical network is handled by the Data Link Layer.
Detailed explanation-2: -In TCP/IP model, there are mainly four layers: application, network access, internet, and transport. Out of these four layers, the Internet layers route the message between the sender and receiver in an internetwork, that is, the internet layer performs the routing of the messages and it is the correct answer.
Detailed explanation-3: -SMTP is part of the application layer of the TCP/IP protocol. Using a process called “store and forward, ‘’ SMTP moves your email on and across networks. It works closely with something called the Mail Transfer Agent (MTA) to send your communication to the right computer and email inbox.