ISRO | ISRO CS 2017 | Question 35

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Consider the set of activities related to e-mail A : Send an e-mail from a mail client to mail server B : Download e-mail headers from mail box and retrieve mails from server to a cache C : Checking e-mail through a web browser The application level protocol used for each activity in the same sequence is
SMTP, HTTPS, IMAP
SMTP, POP, IMAP
SMTP, IMAP, HTTPS
SMTP, IMAP, POP
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