After a new firewall has been installed, devices cannot obtain a new IP address. Which of the following ports
should Matt, the security administrator, open on the firewall?

A.
25

B.
68

C.
80

D.
443

Explanation:
The Dynamic Host Configuration Protocol (DHCP) is a standardized network protocol used on Internet Protocol
(IP) networks for distributing IP addresses for interfaces and services. DHCP makes use of port 68.