Certified Network Defender (CND) — Question 164

Which of the following protocols is used for E-mail?

Answer options

• A. TELNET
• B. MIME
• C. SSH
• D. SMTP

Correct answer: D

Explanation

The correct answer is D, SMTP, which stands for Simple Mail Transfer Protocol, and is specifically designed for sending emails. TELNET, MIME, and SSH serve different purposes; TELNET is used for remote command-line access, MIME is a standard for formatting non-text email content, and SSH is for secure remote administration.