1. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. PowerPoint Presentation Materials For Instructor’s Resources Local Area Networks Second Edition Gerd Keiser

2. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter One Overview of LANs

3. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. WAN, MAN, and LAN concepts Figure 1.1

4. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. A shared-medium LAN and associated terminology Figure 1.2

5. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. A NIC as a conversion interface Figure 1.3

6. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Interconnections of LANs and LAN segments through layered protocols Figure 1.4

7. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Networking concept of a client/server interaction Figure 1.5

8. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Segmentation of a long message Figure 1.6

9. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Example of a switched LAN Figure 1.7

10. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Three constrained-topology LANs Figure 1.8

11. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Illustration of a mesh network Figure 1.9

12. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Typical LAN for an office environment Figure 1.10

13. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Example of a backbone LAN Figure 1.11

14. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Illustration of a wireless LAN Figure 1.12

15. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Illustration of a storage area network Figure 1.13