Implementing network segmentation enforcement divides the network into smaller segments, which restricts the lateral movement of potential threats and mitigates the risk of widespread network compromise. This approach is in line with defense in depth as it adds an additional layer of security by limiting the access an attacker would have if they were able to breach the perimeter defenses. On the other hand, enforcing password complexity and enabling a client-to-site VPN, while good security practices, do not directly employ multiple layers of security within the network itself. A honeypot is used to attract and analyze threats, which is useful, but it doesn't inherently segment or protect the operational parts of the network from attack.