N10-005 Question #349: Real Exam Question with Answer & Explanation

The correct answer is C: SMTP. SMTP (Simple Mail Transfer Protocol) is the standard protocol used to send and relay email messages between mail servers across the Internet, operating on TCP port 25 (or 587 for submission). NTP (Network Time Protocol) synchronizes clocks across network devices. SSH (Secure Shel

Question

Which of the following network protocols is used to transport email across the Internet?

Options

ANTP
BSSH
CSMTP
DSNMP

Explanation

SMTP (Simple Mail Transfer Protocol) is the standard protocol used to send and relay email messages between mail servers across the Internet, operating on TCP port 25 (or 587 for submission). NTP (Network Time Protocol) synchronizes clocks across network devices. SSH (Secure Shell) provides encrypted remote command-line access to systems. SNMP (Simple Network Management Protocol) is used to monitor and manage network devices. Only SMTP is specifically designed for email transport.

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