Interesting Facts about Work. 1  Work is a scalar quantity, not a vector quantity. 2  Another unit of work is the foot-pound. 3  The joule is also used as the standard unit of measure for energy. 4  Negative work is when force acting on an object hinders the object's displacement.
(Ä«-pÄ spoofÂ´ing) (n.) A technique used to gain unauthorized access to computers, whereby the intruder sends messages to a computer with an IP address indicating that the message is coming from a trusted host.
One kind of DNS spoofing attack is illustrated below: There are many different ways to do DNS spoofing. In this experiment we'll try two of them: acting as a false DHCP server and lying to clients on the LAN about which DNS server to use, and. mounting a man-in-the-middle attack and impersonating the real DNS server.