ITPEC IP April 2023 Question 30
ITPEC IP April 2023 — Question 30 of 100
The correct combination is SMTP for sending, POP3 for receiving, and SMTP for server-to-server transfer. A mail client submits outgoing mail using SMTP, and mail servers relay messages to one another using SMTP. POP3 allows a client to retrieve messages stored in its mailbox on the server; IMAP is another common retrieval protocol but is not listed here.
Answer (c)
Why not others:
- (a) incorrectly uses POP3 to send mail
- (b) reverses the roles of SMTP and POP3 for receiving and server transfer
- (d) incorrectly assigns SMTP to client mailbox retrieval
Key rule: SMTP sends and relays e-mail; POP3 or IMAP retrieves or accesses received e-mail.
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