1. Mohorovicic discontinuity-the boundary between the Earth's crust and the underlying mantle; the Mohorovicic discontinuity averages 5 miles down under oceans and 20 miles down under continents.
PAR â Project Authorization Request An approved PAR is needed before official work is begun on a standard project. It serves as the work authorization by the IEEE-SA Standards Board. NesCom examines PARs and makes recommendations to the IEEE-SA Standards Board regarding their approval. An approved PAR is valid for 4 years. The PAR is referred to when the standard is submitted to RevCom for approval.
In computer networking, Point-to-Point Protocol (PPP) is a data link protocol used to establish a direct connection between two nodes.n a Linux host for example, these interfaces would be called tun0. As there are only two endpoints on a tunnel, the tunnel is a point-to-point connection and PPP is a natural choice as a data link layer protocol between the virtual network interfaces.