1. The following information is listed for the configuration of a router: Internet Port: MAC Address - 00:21:3D:AE:2C:A6 IP Address - 70.115.23.137 DHCP - DHCP Client IP Subnet Mask - 255.255.240.0 Domain Name Server - 209.18.47.61, 209.18.47.62 LAN Port: MAC Address - 00:21:3D:AE:2C:A5 IP Address - 192.168.1.1 DHCP - OFF IP Subnet Mask - 255.255.255.0 a. The two MAC addresses are different. What is a MAC address, and why are the two different even though this is a single router? b. The two IP addresses are different. What is an IP address, and why are the two different even though this is a single router? 2. List two advantages and two disadvantages of using dynamic IP address assignments? 3. List at least four services that are part of the Internet and briefly differentiate what each facilitates. Include the World Wide Web as one of your four services. 4. You are asked by your manager to give a brief report about the benefits of a global website. List the following: at least two advantages of a globalized website. Additionally, list at least two of the issues involved with creating and maintaining a globalized website. Include details of how a globalized website handles different currencies and different languages. Include an explanation about what digital currency is.