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Axia College Material
Appendix C
OSI Model Key Terms Table
Use the table to define the key terms related to the OSI Model. Describe the functions of any hardware connectivity devices and tools listed.
| | |Function |
|Term |Definition |(if applicable) |
|Physical layer |Responsible for the actual transmission of | |
| |the bits sent across a physical medium | |
|Data link layer |Responsible for providing error-free | |
| |transmission and establishes local | |
| |connections between two computers or hosts.| |
|Network layer |Concerned with the addressing and routing | |
| |processes necessary to move data from one | |
| |network to another | |
|Transport layer |Described as the middle layer that connects|Responsible for reliable transparent |
| |the lower and upper layers together. |transfer of data between two end points. |
|Session layer |Allows remote users to establish, manage, | |
|...