S: SUMMER 2011
BC: All Copyrights Reserved to Miriam Peña American School of Tampico 2012
FC: A travel thought our school area network | Miriam Peña Miss. Perla 7B
1: Case 3: A visitor is trying to use a blackberry to access ATS network services
2: The visitor if the network client trying to use the LAN (local area network)
3: The Blackberry is the NODE
4: The blackberry has a NIC which allows it to connect to the Internet
5: To the wireless access point it is send
6: Send signal to the SITE threw the optic cable
7: Inside the SITE the router receives signal and send it to the fire
8: The fire wall is going to block the unwanted access.
9: NO SIGNAL