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Consider the different activities related to email :
m1 : Send an email from a mail client to a mail server.
m2 : Download an email from mailbox server to a mail client.
m3 : Checking email in a web browser.
Which is the application level protocol used in each activity?
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- m1 : HTTP m2 : SMTP m3 : POP
- m1 : SMTP m2 : FTP m3 : HTTP
- m1 : SMTP m2 : POP m3 : HTTP
- m1 : POP m2 : SMTP m3 : IMAP
- m1 : HTTP m2 : SMTP m3 : POP
Correct Option: C
Sending an email will be done through user agent and message transfer agent by SMTP, downloading an email from mail box is done through POP, checking email in a web browser is done through HTTP.