| Subject | English | Portuguese |
| IT | Common Communication Network/Common System Interface | Rede Comum de Comunicações/Interface Comum de Sistemas |
| fin., polit. | Common Communications Network/ Common Systems Interface | Rede Comum de Comunicações/Interface Comum de Sistemas |
| IT | common communications network/common systems interface | rede comum de comunicações/interface comum de sistemas |
| commun., IT | customer network interface | interface utente-rede |
| commun., IT | ISDN user-network interface structure | estrutura de interface |
| commun., IT | ISDN user-network interface structure | estrutura interface de utilizador da RDIS |
| telecom. | ISDN user-network interface structure | estrutura de interface utente-rede RDIS |
| commun. | LAN emulation network node interface | interface entre servidores de emulação de LAN |
| commun. | LAN emulation network-to-network interface | interface em emulação de redes locais |
| commun. | LAN emulation network-to-network interface | interface em emulação de LAN |
| commun., IT | multipurpose user-network interface | interface utilizador-rede polivalente |
| commun., IT | multipurpose user-network interfaces | interfaces utilizador/rede polivalentes |
| commun. | network driver interface specification | especificação da interface do controlador de rede |
| commun., IT | network interface | interface de rede |
| IT | network interface block | bloco de interface de rede |
| commun., el. | network interface card | placa de rede |
| IT | network interface card | controlador de interface de rede |
| commun. | network interface card/controller | controlador/placa de interface de rede |
| commun., el. | network interface controller | placa de rede |
| comp., MS | network interface layer | camada de interface de rede (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) |
| comp., MS, Braz. | Network Store Interface | interface NSI (A service that is responsible for delivering kernel mode networking related notifications to user mode applications) |
| comp., MS | Network Store Interface | Interface de Arquivo de Rede (A service that is responsible for delivering kernel mode networking related notifications to user mode applications) |
| commun., IT | network-to-network interface | interface rede a rede |
| commun. | private network-to-network interface | interface rede a rede privada |
| commun., IT | telephone network interface | interface de rede telefónica |
| commun., IT | user-network interface | interface utente-rede |
| commun., IT | user network interface | interface de rede de utilizador |
| commun., IT | user-to-network interface | interface utilizador/rede |