1. CWNA Guide to Wireless LANs, Second Edition1 A Day in the Life of a Wireless User: Hotspots: Wireless local area network (WLAN Bluetooth wireless standard Fixed broadband wireless Free space optics (FSO) Handheld devices Radio frequency identification (RFID) tags

2. CWNA Guide to Wireless LANs, Second Edition2 Wireless Local Area Networks (continued) Figure 1-3: Wireless LAN

3. CWNA Guide to Wireless LANs, Second Edition3 Wireless Local Area Networks Figure 1-4: Home wireless LAN

4. CWNA Guide to Wireless LANs, Second Edition4 Bluetooth (continued) Figure 1-5: Bluetooth device

5. CWNA Guide to Wireless LANs, Second Edition5 Telecommunications Links Integrated Services Digital Networks (ISDN): T-1 lines Cable modems Digital subscriber lines (DSL WiMax

6. CWNA Guide to Wireless LANs, Second Edition6 Telecommunications Links Figure 1-6: Free space optics transceiver

7. CWNA Guide to Wireless LANs, Second Edition7 Telecommunications Links Figure 1-7: Wireless office technologies

8. CWNA Guide to Wireless LANs, Second Edition8 Cellular Telephony Figure 1-8: Browsing the World Wide Web

9. CWNA Guide to Wireless LANs, Second Edition9 Cellular Telephony Figure 1-9: WAP communications

10. CWNA Guide to Wireless LANs, Second Edition10 Radio Frequency Identification (RFID) Figure 1-10: RFID tag

11. CWNA Guide to Wireless LANs, Second Edition11 Wireless Technology Categories Table 1-1: Typical wireless technologies

12. CWNA Guide to Wireless LANs, Second Edition12 Wireless LAN Applications: Education Business Travel Construction Warehouse Management Public Safety Healthcare

13. CWNA Guide to Wireless LANs, Second Edition13 Wireless Advantages Mobility: Primary advantage of wireless technology Easier and Less Expensive Installation: Installing network cabling in older buildings difficult and costly Increased Reliability: Wireless LAN technology eliminates certain types of cable failures and increases overall network reliability Disaster Recovery: Documented disaster recovery plan vital to every business

14. CWNA Guide to Wireless LANs, Second Edition14 Wireless Disadvantages Security: Wireless signals broadcast in open air Radio Signal Interference: Signals from other devices can disrupt wireless transmissions Health Risks: Wireless devices emit RF energy