A firewall is a
a. wall built to prevent fires from damaging a corporate intranet
b. security device deployed at the boundary of a company to prevent
unauthorized physical access
c. security device deployed at the boundary of a corporate intranet to protect
it from unauthorized access
d. device to prevent all accesses from the internet to the corporate intranet
a. wall built to prevent fires from damaging a corporate intranet
b. security device deployed at the boundary of a company to prevent
unauthorized physical access
c. security device deployed at the boundary of a corporate intranet to protect
it from unauthorized access
d. device to prevent all accesses from the internet to the corporate intranet