| A | B |
|---|
| Application Layer | provides the interfaces for applications to access networked services |
| Presentation Layer | converts data into generic format for network transmission |
| Data Link Layer | puts data into frames |
| Physical Layer | converts bits to signals on the network media |
| places checkpoints in the data stream | Session Layer |
| adds control information to resequence arriving packets | Transport layer |
| translates logical network addresses into physical equivalents | Network layer |
| the standards organization responsible for the OSI model | International Standards Organization |
| the organization which expanded the Data Link layer specifications with 802 specifications | IEEE |
| sublayers of the Data Link Layer | LLC and MAC |
| Logical Link Control (LLC) | the data link sublayer that manages error correction and flow control |
| Media Access Control (MAC) | data link sublayer which manages access control |
