Final answer:
A DHCP Starvation attack is a network attack that prevents clients from obtaining a DHCP lease by flooding the DHCP server with fake requests, depleting the available IP address pool.
Step-by-step explanation:
The network attack that seeks to create a DoS (Denial of Service) for clients by preventing them from being able to obtain a DHCP lease is known as a DHCP Starvation attack. In this type of attack, a malicious actor floods the DHCP server with numerous fake DHCP REQUEST messages using spoofed MAC addresses. Because a DHCP server has a limited pool of IP addresses to assign, this flood of requests can exhaust the server's address space, thereby preventing legitimate clients from obtaining an IP address and connecting to the network.