1. WIRELESS NETWORKING

2. What are the advantages to wireless networking? How has society changed?

3. What are the disadvantages to wireless networking? Are there health concerns?

4. Components of a Wireless Network Wireless network card Network card w/ an antenna Wireless router or access point Access point may be physically wired to a router Signal Strong enough signal to communicate Stronger signals have less packet loss Why do weak signals result in slower internet?

5. Vocabulary WiFi Trademarked name for marketing by Wireless Ethernet Compatibility Alliance (Wi-Fi Alliance) IEEE 802.11b Direct Sequence WiMAX (Worldwide Interoperability for Microwave Access) Wi-Fi standard designed for 30-40 Mbit/s wireless transfer WiMAX updated to 1 Gbit/s transfer Based on IEEE 802.16 (wireless broadband standards) 3G (3 rd generation of mobile telecommunications tech) Mobile data transfer standard Future standards? http://en.wikipedia.org/wiki/WiMAX#Competing_technolog ies http://en.wikipedia.org/wiki/WiMAX#Competing_technolog ies

6. Network Security Encryption Types Wired Equivalent Privacy (WEP) http://en.wikipedia.org/wiki/Wired_Equivalent_Privacy#Encryption_detail s http://en.wikipedia.org/wiki/Wired_Equivalent_Privacy#Encryption_detail s Wi-Fi Protected Access (WPA) Extra safeguards to prevent encryption attacks Hash function to mix the initialization vector (seed) and secret key Sequence counter to prevent replay attacks UserID and password MAC address filtering MAC address ~ Media Access Control address

7. Evaluate the advantages and disadvantages of each security method Security MethodAdvantagesDisadvantages Encryption UserID & password MAC address filtering