INTRODUCTION
PROTOCOL LAYERING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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IMAP
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SMTP
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POP3
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TCP
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IP
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Detailed explanation-1: -Thus, POP3 offers a means of downloading email from a server to the client so the recipient can view the email offline. POP3 can be thought of as a “store-and-forward” service. Once the email is on the client, POP3 then deletes it from the server.
Detailed explanation-2: -POP. Post Office Protocol is a widely used e-mail application protocol that can be used to retrieve e-mail from an e-mail server for the client application, such as Microsoft Outlook. The current version of POP is POP3.
Detailed explanation-3: -POP3 (Post Office Protocol 3) is the email retrieval protocol used to receive emails from the server. POP3 downloads the original emails from the email server on a single device/computer. Then it deletes the emails from the server’s inbox. It lacks synchronization; thus, several devices cannot access the same email.