A firewall is a security system that essentially creates a barrier between a computer or network and the Internet in order to protect against unauthorized access.

The Vista feature that enables you to store all your data in an encrypted format on your hard drive is called _______

Fill in the blank(s) with correct word

Drop shadows can be added using the text-shadow styletext-shadow: color offsetX offsetY blur;where the offsetX is the distance of the shadow from the text in the ____ direction.

A. vertical B. diagonal C. inverted D. horizontal