You have been recently promoted to the position of a Network Administrator of a network which has 15 Windows Servers 2012 R2 EE & 200 Windows 7 workstations. Your supervisor tells you that the previous network administrator had not updated the IPv6 capabilities of the network. During the job interview for this promotion, you had made claims that you fully understand the new features of IPv6 and you are going to help the company implement the new features in it. After you got hired, your supervisor asks you to first make a presentation to the various department managers of this. Some of the questions that you have to address are: What are the key differences between IPv4 and IPv6? Why was IPv6 proposed? How do the following technologies such as 6To4, ISATAP, Teredo, still make it possible for IPv4 and IPv6 to co-exist? What specific steps will you take to implement/upgrade to IPv6? What is Dual IP stack in Windows Server 2012 R2. When you physically make the change from IPv4 to IPv6, do you expect the company network to be down? Please justify all of your answers.>>>PLEASE DETAILED ANSWER AS THIS IS FOR A DICUSSION POST>>>