cwna certified wireless network administrator official study guide phần 7 ppsx

... physical space. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Troubleshooting Wireless LAN Installations CWNA Exam Objectives ... size that will trigger CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. MAC and Physica...

Ngày tải lên: 14/08/2014, 14:20

... discussed. In addition to wireless LANs (WLANs), wireless personal area networks (WPANs), wireless metropolitan area networks (WMANs), and wireless wide area networks (WWANs) are also taking ... peacefully. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 15 Chapter 1 - Introduction to Wireless LANs Answers to Review Questions 1. A. The most alluring featur...

Ngày tải lên: 14/08/2014, 14:20

... bridge CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Chapter 4 – Wireless LAN Infrastructure Devices 80 FIGURE 4 .7 A point-to-point wireless bridge link Wireless Bridge Server W ir e d ... filtering capabilities allowing the administrator to control traffic across the wireless link. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 83...

Ngày tải lên: 14/08/2014, 14:20

... additional access points. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Antennas and Accessories CWNA Exam Objectives ... 30 -78 Ranges from 14-64 Parabolic Dish Ranges from 4-25 Ranges from 4-21 CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 101 Chapter 4 – Wireless LAN Infrast...

Ngày tải lên: 14/08/2014, 14:20

... 930 FCC: ISM 902-928MHz 2.4000-2.5000 GHz 2.4000-2.4835 GHz 5 .72 5-5. 875 GHz FCC: FCC: ISM 2.400 GHz 2.425 2.450 2. 475 2.500 IEEE: ISM 5 .72 5 GHz 5 .77 5 5.825 5. 875 5.000 GHz 5.250 5.500 5 .75 0 6.000 5 .72 5 - 5.825 GHz 5.25 - 5.35 ... specified that wireless LANs may use. They are the 900 MHz, 2.4 GHz, and 5.8 GHz bands. CWNA Study Guide © Copyright 2002 Planet3 Wireless,...

Ngày tải lên: 14/08/2014, 14:20

... filtering works in a wireless LAN. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Chapter 10 – Wireless LAN Security 270 FIGURE 10.5 Protocol Filtering Access Point Wireless Workgroup Bridge Router Internet HTTP, ... channel use with wireless LANs is imperative for any good wireless LAN administrator. As a wireless LAN consultant, you will undoubtedly C...

Ngày tải lên: 14/08/2014, 14:20

... B. 40-bit D. 128-bit CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Chapter 10 – Wireless LAN Security 278 the access points and the wired upstream network. As its name suggests, ... testing, but this feature is useful when time permits. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 277 Chapter 10 – Wireless LAN Security in such a manner as...

Ngày tải lên: 14/08/2014, 14:20

... a traditional data link control protocol. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Glossary CHAPTER ...  Outdoor antenna placement  Spot checks CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. RF in Persp...

Ngày tải lên: 14/08/2014, 14:20

... Filtering Capabilities 76 Removable (Modular) Radio Cards 77 Variable Output Power 77 Varied Types of Wired Connectivity 77 Configuration and Management 78 Wireless Bridges 79 Wireless Bridge ... Attacks on Wireless LANs 270 Passive Attacks 270 Active Attacks 271 Jamming 272 Man-in-the-middle Attacks 274 Emerging Security Solutions 275 WEP Key Management 275 Wireless...

Ngày tải lên: 14/08/2014, 14:20

... data on the wireless network, guaranteeing that all traffic is from authenticated devices only. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 1 97 Chapter 7 – 802.11 Network Architecture ... synchronize wireless communication on the wireless LAN. Beacons serve several functions, including the following. CWNA Study Guide © Copyright 2002 Planet3 Wire...

Ngày tải lên: 14/08/2014, 14:21