Upper management has suddenly become concerned about security. As you are the senior network administrator, you are asked to suggest changes that should be implemented. You proposed the following solution divide your network into zones based on security needs. For example, you might have a zone for Human Resource, a separate zone for technical support, and another zone for finance. Each of these zones would have different technical needs. You can separate them by routers/switches or by using virtual local area networks (VLANs). You suggest granting permission for users based on this role and position. Moreover, you check the security settings and features for routers and firewalls trying to close all unused features Identify and Discuss which secure principle concept(s) you implemented in your company. ( 10 pts)