It 242 Appendix C Completed

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, | |

|...