11. (6%) BigCo has been allocated IP address block 66.6.0.0/24 for use on their corporate network. They have these subnet requirements: Reception: 4 IP addresses IT Staff: 70 IP addresses Executive: 5 IP addresses Research: 72 IP addresses Point-to-point link: 2 IP addresses Determine a Subnet ID (address range) and subnet mask for each group that meets their address needs while keeping as much address space as possible free for future use. Network Name Subnet id Prefix length (/n) 12. (8%) An ISP allocates the 2C00:00A2:00D6::/48 IPv6 address block to an enterprise. The enterprise wishes to subnet this block into 256 sites, and within each site, subnet each site with the remaining bits available. a) (2%) How many possible subnets can exist in each site? b) (6%) Fill in the resulting IPv6 subnet id (expressed in ipv6 address compression) in the table below? Site # 0 Subnet # of site 0 0 1 1 0 2 1 2 2 5 0 IPv6 subnet id address (/64)