2. DATA NETWORKS

3. NETWORK HISTORY

4. NETWORK HISTORY CONTINUED

5. NETWORKING DEVICES

6. NETWORK TOPOLOGY

7. NETWORK PROTOCOLS

8. LOCAL-AREA NETWORKS (LANS)

9. WIDE-AREA NETWORKS (WANS)

10. METROPOLITAN-AREA NETWORK
(MANS)

11. STORAGE-AREA NETWORKS
(SANS)

12. VIRTUAL PRIVATE NETWORKS
(VPNS)

13. BENEFITS OF VPNS

14. INTRANET AND EXTRANET VPN

15. IMPORTANCE OF BANDWIDTH

16. BANDWIDTH PIPE ANALOGY

17. BANDWIDTH HIGHWAY ANALOGY

18. BANDWIDTH MEASUREMENTS

19. BANDWIDTH LIMITATIONS
(KNOW THIS STUFF)

20. BANDWIDTH THROUGHPUT

21. DIGITAL TRANSFER
CALCULATION

22. DIGITAL VERSUS ANALOG

23. USING LAYERS TO ANALYZE
PROBLEMS

24. USING LAYERS TO
DESCRIBE DATA
COMMUNICATION

25. OSI MODEL (IMPORTANT TO
KNOW)
Programmers
Do
Not
Throw
Sausage
Pizza
Away

26. OSI LAYERS

27. OSI LAYERS
•Provides connectivity and path selection between two host
•Provides Logical address
•No error correction, best effort delivery.

28. OSI LAYERS

29. OSI LAYERS

30. OSI LAYERS

31. OSI LAYERS

32. OSI LAYERS

33. PEER-TO-PEER
COMMUNICATION

34. TCP/IP MODEL

35. ENCAPSULATION
Data
Segments
Packet
Frame
Bits
Data
Data

36. NAMES FOR DATA AT EACH
LAYER

37. SUMMARY