IT242CheckpointOSIModelweek1

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IT 242 Checkpoint: OSI Model week 1

Jason Reynolds

IT 242

May 30, 2013

University of Phoenix

IT 242 Checkpoint: OSI Model week 1

OSI model is short for Open System Interconnection, which was designed by the International Organization for Standardization (ISO). The OSI model purpose is to one layer to the next, which helps communications run smoother. These individual layers also help distinguish issues that may reside in each layer.

On which layers of the OSI model do WAN protocols operate?

The WAN protocol will operate on layer 1 and 2. The Physical layer transmits and receives signals, which specify physical details. The Data Link layer manages access to the network medium and the delivery of data frames.

What are some of these protocols?

OSI Layer

Devices

Protocols

Layer 7...

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