OSI and Data Units (UD NOTES)

7.  Application

6.  Presentation

5.  Session

4.  Transport

3.  Network

2.  Data Link

1.  Physical

 

Application/Presentation/Session Layers – don’t have associated unit. Data is Data

Transport Layer – segments

Network – Packets

Data Link Layer – Frames

Physical – Bits (ones and zeros)

 

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s