| Subject | English | Bulgarian |
| IT | common communications network/common systems interface | обща комуникационна мрежа/общ системен интерфейс |
| comp., MS | network interface layer A layer of the TCP/IP DARPA model that is responsible for placing TCP/IP packets on the network medium and receiving TCP/IP packets off the network medium. The network interface layer is also called the network access layer | слой за мрежов интерфейс (слой за мрежов достъп) |