OSI MODEL KEY TERMS TABLE

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appendix_c__week_2_it_240.docx

Appendix C

IT/240 Version 4

1

Associate Level Material

Appendix C

OSI Model Key Terms Table

Use the following table to define the key terms related to the OSI model. Describe the functions of any hardware connectivity devices and tools listed.

Term

Definition

Physical layer

Data link layer

Network layer

Transport layer

Session layer

Presentation layer

Application layer

Encoding

Half-Duplex

Full Duplex

Bandwidth

Point-to-point topology

Deencapsulation

MAC Sublayer

LLC

Collision

Access method

CSMA/CD

Router

Hub

Switch

Broadband

Baseband

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