You will outline the authentication issues for the network with Active Directory and UNIX servers and clients and what authentication methods can be used to address these issues.The perimeter security for your network design was defined in the previous assignment, and you can now turn your attention to more of the internal operations and security for the network. In this phase, you will examine how to provide security for back-end databases and front-end UNIX and Windows servers.For this assignment, you will continue your work on the Network Security Architecture Design document with a review and evaluation of the requirements for database and server security. You will also provide a thorough description of the techniques that will be used to provide authentication for servers and clients.The project deliverables are as follows: