Networking Fundamentals — Question 69

The default port used for SMTP is:

Answer options

• A. 23
• B. 25
• C. 80
• D. 8080

Correct answer: B

Explanation

The correct answer is B, as port 25 is the designated port for SMTP (Simple Mail Transfer Protocol). Options A (23), C (80), and D (8080) are used for other protocols, such as Telnet and HTTP, and are not applicable for SMTP.