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Data communications

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Data Communications Chapter 6
What is a Computer Network? ,[object Object],[object Object],[object Object],[object Object],[object Object]
Major Network Types
Local Area Networks ,[object Object],[object Object],[object Object],[object Object]
Local Area Networks (Continued) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2007 Prentice Hall, Inc.
Local Area Networks (Continued) ,[object Object],[object Object],[object Object],© 2007 Prentice Hall, Inc.
Figure 5-6 Local Area Network
IEEE 802.3 or Ethernet Protocol ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2007 Prentice Hall, Inc.
IEE 802.3 or Ethernet Protocol (Continued) ,[object Object],[object Object],[object Object],© 2007 Prentice Hall, Inc.
LANs with Wireless Connections ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2007 Prentice Hall, Inc.
Figure 5-10 © 2007 Prentice Hall, Inc.
Figure 5-12 Summary of LAN and WAN Networks © 2007 Prentice Hall, Inc.
Wide Area Networks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2007 Prentice Hall, Inc.
Connecting the Personal Computer to an ISP: Modems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2007 Prentice Hall, Inc.
Figure 5-14 Personal Computer (PC) Internet Access
DSL Modems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2007 Prentice Hall, Inc.
DSL Modems (Continued) ,[object Object],[object Object],[object Object],[object Object],© 2007 Prentice Hall, Inc.
Cable Modems ,[object Object],[object Object],[object Object],[object Object],[object Object],© 2007 Prentice Hall, Inc.
Figure 5-15 Wide Area Network Using Leased Lines © 2007 Prentice Hall, Inc.
Networks of Leased Lines ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2007 Prentice Hall, Inc.
Figure 5-16 Transmission Line Types, Uses, and Speeds © 2007 Prentice Hall, Inc.
Public Switched Data Network ,[object Object],[object Object],[object Object],[object Object],© 2007 Prentice Hall, Inc.
Public Switched Data Network (Continued) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2007 Prentice Hall, Inc.
Figure 5-17 Wide Area Network Using PSDN
Virtual Private Network ,[object Object],[object Object],[object Object],[object Object],© 2007 Prentice Hall, Inc.
Virtual Private Network (Continued) ,[object Object],[object Object],[object Object],© 2007 Prentice Hall, Inc.
Example of Remote Access Using a VPN
Example of a WAN using VPN
Criteria for Comparing WANS ,[object Object],[object Object],[object Object],[object Object],[object Object]
Criteria Continued ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Data communications