According to the U.S. Census Bureau, the county has a total area of 685 square miles (1,770 km2), of which 681 square miles (1,760 km2) is land and 3.8 square miles (9.8 km2) (0.6%) is water. It is the fourth-largest county in Tennessee by area. The county is located atop the Cumberland Plateau.
Revenue passenger kilometres (RPK) is a measure of the volume of passengers carried by an airline. A revenue passenger-kilometre is flown when a revenue passenger is carried one kilometre. A passenger for whose transportation an air carrier receives commercial remuneration is called a revenue passenger.
REEF May 30th, 2005 ARP is the acronym for Address Resolution Protocol. It is an internet protocol that gets the MAC address of a host or node and creates a local db that maps the MAC address to the hosts IP address.ARP needs the IP because IP must have the address of a destination host before it can direct data to it.RP stands for Address Resolution Protocol. Application working at the Application Layer uses IP address (Logical Address) for communication and at the Datalink layer the addressing is based on MAC address (Physical address, which is a permanant address burned in your computer's network card).