COMPUTER NETWORKS AND COMMUNICATIONS
NETWORK TOPOLOGIES AND PROTOCOLS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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SMTP (Simple Mail Transfer Protocol)
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POP (Post Office Protocol) & IMP
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FTP (File Transfer Protocol)
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None of the above
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Detailed explanation-1: -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-2: -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. POP servers set up mailboxes (actually directories or folders) for each e-mail account name.
Detailed explanation-3: -In computing, the Post Office Protocol (POP) is an application-layer Internet standard protocol used by e-mail clients to retrieve e-mail from a mail server. POP version 3 (POP3) is the version in common use, and along with IMAP the most common protocols for email retrieval.
Detailed explanation-4: -POP3 (Post Office Protocol) POP3 is an older protocol that was originally designed to be used on only one computer. Unlike modern protocols that use two-way synchronization, POP3 only supports one-way email synchronization, only allowing users to download emails from a server to a client.
Detailed explanation-5: -POP is a TCP-based service. POP servers for the current version of the POP protocol (which is known as POP3 and is by far the most common version in use) use port 110. Servers for the older POP2 protocol use port 109.