there are two offices headquarters downtown and a branch office on the east side of town.The headquarters has:ten Windows XP workstations,connected to a Windows server 2008 file server, ten Windows vista workstations, one Windows server 2008 RRAS server accessed by home workers after hours,one Windows server 2008 printer,one Linux database server,one Linux web server for members to check their account balances online, one firewall where the network connects to the credit unions ISP via a T3 dedicated link.The east side office has five Windows XP workstations,connected to the headquarters office Windows Server 2008 server through T1 link. I need to describe any entry points(physical or data transmission related, or any situations that may constitute a security risks, also how can I better train the employees to understand network security.