CompTIA Network+ (N10-009) — Question 478

Which of the following ports is commonly used for DHCPDISCOVER call requests for a new machine on a network?

Answer options

• A. 53
• B. 68
• C. 69
• D. 80

Correct answer: B

Explanation

The correct answer is B, as port 68 is specifically used by DHCP clients to send requests to DHCP servers. Ports 53, 69, and 80 are associated with DNS, TFTP, and HTTP respectively, and are not used for DHCP communications.