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Which channels will you choose to make optimum use of the available spectrum?

You are designing a wireless infrastructure for an enterprise customer in the busy international
banking district of Tokyo. All the client adapters are fairly modern, so you have turned off 802.11b
speeds to reduce the size of your cells. Which channels will you choose to make optimum use of the
available spectrum?

Which configuration fulfills all the requirements?

A router has two interfaces: Ethernet 0 is connected to the LAN and Ethernet 1 is connected to the
Internet. The LAN is 20.20.20.0/24. All hosts on the LAN must be able to form TCP connections to
any host on the Internet. Hosts on the Internet may not form TCP connections to hosts on the LAN,
except to port 25 of a mail server on the LAN. The web server IP address is 20.20.20.100. Which
configuration fulfills all the requirements?