The owner of a hotel has contracted with you to implement a wireless network to provide internet access for guests.The owner has asked that you implement security controls so that only paying guests are allowed to use the wireless network. She wants guests to be presented with a login page when they initially connect to the wireless network. After entering a code provided by the concierge at check$-$in$,$ guests should then be allowed full access to the internet. If a user does not provide the correct code, he or she should not be allowed to access the internet.What should you do$?$