Consider the set of activities related to e-mail A : Send an e-mail from a…
2017
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
Answer: C. SMTP, IMAP, HTTPS — Activity A describes sending email from a client to a server, which uses the Simple Mail Transfer Protocol (SMTP). Activity B describes retrieving emails from…
- A.
SMTP, HTTPS, IMAP
- B.
SMTP, POP, IMAP
- C.
SMTP, IMAP, HTTPS
- D.
SMTP, IMAP, POP
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Correct answer: C
Activity A describes sending email from a client to a server, which uses the Simple Mail Transfer Protocol (SMTP). Activity B describes retrieving emails from a server to a local cache, which uses POP3 or IMAP. Activity C describes checking email through a web browser, which relies on HTTP/HTTPS protocols for web access.
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