| A | B |
|---|
| Processing | First layer of the OSI model. |
| Data Link | Second layer of the OSI model. |
| Network | Third layer of the OSI model. |
| Transport | Fourth layer of the OSI model. |
| Session | Fifth layer of the OSI model. |
| Presentation | Sixth layer of the OSI model. |
| Application | Seventh layer of the OSI model. |
| Network Access | First layer of the TCP/IP model. |
| Internet | Second layer of the TCP/IP model. |
| Transport | Third layer of the TCP/IP model. |
| Application | Fourth layer of the TCP/IP model. |
