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Applying the OSI Model to Network Communication
(Page 2 of 2)
OSI Mnemonics
A popular memory aid for remembering the OSI model works from the top down: “All People Seem To Need Data Processing”.
 Using OSI Mnemonics
The mnemonic above can be used to help you remember to draw the OSI model on blank paper provided by the test center, and written down before you begin your test.
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Keeping in mind the memory aid,
see how it fits the chart below.
Figure 25: OSI Model
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The layers are once again:
- LAYER 7 - APPLICATION LAYER
- LAYER 6 - PRESENTATION LAYER
- LAYER 5 - SESSION LAYER
- LAYER 4 - TRANSPORT LAYER
- LAYER 3 - NETWORK LAYER
- LAYER 2 - DATA LINK LAYER
- LAYER 1 - PHYSCIAL LAYER
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