NT 342 (Mail Servers) Latest Midterm Guide 2024.

NT 342



Mail Servers




LATEST MIDTERM GUIDE
Q&S




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,1. Which protocol is primarily responsible for sending
emails from a client to a mail server?
- A) IMAP
- B) POP3
- C) SMTP
- D) HTTP
Answer: C) SMTP
Rationale: SMTP (Simple Mail Transfer Protocol) is
used for sending emails, while IMAP and POP3 are used
for retrieving emails.

2. In a typical email delivery scenario, what component
acts as an intermediary to filter incoming mail for spam
before it reaches the recipient's inbox?
- A) Mail User Agent
- B) Mail Transfer Agent
- C) Mail Delivery Agent
- D) Mail Gateway
Answer: D) Mail Gateway
Rationale: A Mail Gateway often filters spam and can
include security measures before email delivery.

3. Which DNS record type is essential for mail server
configuration and helps in determining the mail servers for a
domain?
- A) CNAME
- B) A
- C) MX
- D) TXT
Answer: C) MX
Rationale: MX (Mail Exchange) records specify the mail
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, server responsible for receiving emails for a domain.

4. What is the main role of the IMAP protocol in email
services?
- A) Transfer of emails from server to client
- B) Retrieval of emails while maintaining them on the
server
- C) Forwarding of emails to multiple recipients
- D) Encrypting email content
Answer: B) Retrieval of emails while maintaining them
on the server
Rationale: IMAP allows retrieval and management of
emails while they remain on the server, facilitating access
from multiple devices.

5. Which protocol provides a secure means for email
retrieval through encryption?
- A) POP3
- B) IMAPS
- C) HTTP
- D) FTP
Answer: B) IMAPS
Rationale: IMAPS (Internet Message Access Protocol
Secure) uses SSL/TLS to encrypt email retrieval, enhancing
security.

### Fill-in-the-Blank Questions

6. The email protocol __________ is primarily used to
download messages to a client and usually deletes them
from the server.
Answer: POP3
Rationale: POP3 downloads emails to a client and
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