Email Protocols (SMTP, IMAP, POP3)

1. : Which protocol is primarily used for sending emails?
(A) POP3
(B) IMAP
(C) SMTP
(D) HTTP

2. : Which email protocol allows users to download emails from the server and usually deletes them from the server after downloading?
(A) SMTP
(B) IMAP
(C) POP3
(D) DNS

3. : Which email protocol allows users to access and manage their emails directly on the mail server?
(A) POP3
(B) IMAP
(C) SMTP
(D) FTP

4. : Which protocol is best suited for accessing emails from multiple devices (like phone, tablet, and PC)?
(A) POP3
(B) IMAP
(C) SMTP
(D) HTTP

5. : Which protocol works on port 25 by default?
(A) IMAP
(B) SMTP
(C) POP3
(D) HTTPS

6. : Which protocol works on port 110 by default?
(A) POP3
(B) IMAP
(C) SMTP
(D) DNS

7. : Which protocol works on port 143 by default?
(A) SMTP
(B) POP3
(C) IMAP
(D) FTP