Answer the following questions. Show your work, and explain your answers in detail. When asked to show your work, show the binary calculation or/and explain your answers in detail.

11. You are given the address 206.206.15.6/29 by your ISP for your router's interface. You are also given 206.206.15.7 as your default gateway. Will this work? Show your work and/or explain your answer. 12. Subnet the Address 128.20.0.0/16 into smaller subnets supporting 500 Hosts each. Show your work and/or explain your answer. a What is the New Subnet Mask b. What is the IP Address range of the first network? 13. The following CIDR blocks were recommended to be used in 4 different subnets in your network. 172.16.0.0/20 172.16.80.0/22 172.16.64.0/21 172.16.128.0/22 Are there are any problems with the recommended CIDR blocks? Review the recommendation. If there are problems, state the reason and provide a solution. Show your work and/or explain your