2. Figure 3-1 My notes for DataCom :: @nkur  OSI Model

3. Figure 3-2 My notes for DataCom :: @nkur  OSI Layers

4. Figure 3-3 My notes for DataCom :: @nkur  An Exchange Using the OSI Model

5. Figure 3-4 My notes for DataCom :: @nkur  Physical Layer

6. Figure 3-5 My notes for DataCom :: @nkur  Data Link Layer

7. Figure 3-6 My notes for DataCom :: @nkur  Data Link Layer Example

8. Figure 3-7 My notes for DataCom :: @nkur  Network Layer