Task A Researching Security requirements Resolve and specify the hardware devices required to upgrade the existence wired network to add an extra security network protocols: 1) Negotiate and List the network security devices you will add, principle of their work in addition. 2) Investigate the network standards to explain the standards required in your design. 3) Differentiate the protocols used for the Email server. 4) Assess the importance of the network security to TLC. 5) Analyse the necessary security devices and protocols required to secure the TLC communications. 6) Identify briefly what Software and hardware would you use to improve network security infrastructure? 7) Using Packet tracer to develop a secure network according to a given scenario, installing all security devices required. 8) TLC required their communication to be secured so they considered using different types of public and private key cryptography such as Caesar Cipher, Vigenere, Hash. Resolve a report to discuss these types and provide your recommendation. 9) TLC management asks you to develop a test plan for the designed network. You have to provide screenshot for your testing (Routers, Switches, Servers)