| Subject | English | Portuguese |
| commun., comp. | data link layer | camada de ligação de dados |
| commun., comp. | data link layer | nível de ligação de dados |
| commun., comp. | data link layer | camada de ligação |
| comp., MS, Braz. | data-link layer | camada de vínculo de dados (Layer two of the OSI model. A layer that packages raw bits from the physical layer into frames (logical, structured packets for data). This layer is responsible for transferring frames from one computer to another, without errors. After sending a frame, the data-link layer waits for an acknowledgment from the receiving computer) |
| comp., MS | data-link layer | camada de ligação de dados (Layer two of the OSI model. A layer that packages raw bits from the physical layer into frames (logical, structured packets for data). This layer is responsible for transferring frames from one computer to another, without errors. After sending a frame, the data-link layer waits for an acknowledgment from the receiving computer) |
| IT | set of data link and physical layers | conjunto de ligações para dados e níveis físicos |