INTRODUCTION
PROTOCOL LAYERING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Transport Layer
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Internet Layer
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Application Layer
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Network layer
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Detailed explanation-1: -Post Office Protocol (POP) is a type of computer networking and Internet standard protocol that extracts and retrieves email from a remote mail server for access by the host machine. POP is an application layer protocol in the OSI model that provides end users the ability to fetch and receive email.
Detailed explanation-2: -Post Office Protocol 3, or POP3, is the most commonly used protocol for receiving email over the internet. This standard protocol, which most email servers and their clients support, is used to receive emails from a remote server and send to a local client.
Detailed explanation-3: -The following list shows examples of application layer protocols: Standard TCP/IP services such as the ftp, tftp, and telnet commands. UNIX “r” commands, such as rlogin and rsh.