Question Bank - Computer Networks

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_______ Transfer messages from senders mail servers to the recipients mail severs using ____ connections.

A.
POP3; UDP
B.
POP3; TCP
C.
SMTP; HTTP
D.
SMTP; TCP

Solution:

SMTPSimple Mail Transfer Protocol (SMTP) is the standard protocol for sending emails across the Internet. Therefore, SMTP transfers messages from the senders mail servers to the recipients mail server.TCP:TCP is the transfer layer protocol. Electronic mail function is supported by the transfer layer protocol TCP. TCP is a connection-oriented and reliable transport protocol. Therefore, SMTP transfer messages from the senders mail servers to the recipients mail servers using TCP Important Point:POP3 is the Internet mail protocols used for retrieving emails.POP3 uses TCP.

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