cwna certified wireless network administrator official study guide phần 3 doc

... filtering capabilities allowing the administrator to control traffic across the wireless link. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 83 Chapter 4 – Wireless LAN Infrastructure ... application. The administrator can reset the device to factory defaults by using the hardware reset button on the device. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 53 Chapter 3 – Spread ... 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 BridgeServerWired...

cwna certified wireless network administrator official study guide phần 2 docx

... start out with 23 dBm. From this point, it's a simple addition/subtraction problem. 23 dBm - 6 dB + 9 dBi = 26 dBm. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 33 Chapter 2 – ... transmitting device CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Chapter 2 – RF Fundamentals 34 In this example, we see that -26 dBm equals -10 -10 -3 -3. From the reference ... hoses. As long CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 13 Chapter 1 - Introduction to Wireless LANs 6. Why would a mobile office be a good choice for using a wireless LAN?...

cwna certified wireless network administrator official study guide phần 5 doc

... 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, Inc. CWNA Study Guide © Copyright 2002 Planet3 Wireless, ... (watts) 30 6 36 4 29 9 38 6 .3 28 12 40 10 27 15 42 16 26 18 44 25 25 21 46 39 .8 24 24 48 63 23 27 50 100 22 30 52 158 The specific information contained in Figure 6 .3 is not covered ... (dBi) (dBm) (watts) 30 6 36 4 27 9 36 4 24 12 36 4 21 15 36 4 18 18 36 4 15 21 36 4 12 24 36 4 The specific information contained in Figure 6.2 is not covered on the CWNA exam. The...

cwna certified wireless network administrator official study guide phần 8 doc

... channel use with wireless LANs is imperative for any good wireless LAN administrator. As a wireless LAN consultant, you will undoubtedly CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. ... 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 AccessPoint Wireless WorkgroupBridgeRouterInternetHTTP, ... non-overlapping DSSS channels. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 269 Chapter 10 – Wireless LAN Security MAC filters are great for home and small office networks where there are...

cwna certified wireless network administrator official study guide phần 4 pot

... 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 ... for any CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 93 Chapter 4 – Wireless LAN Infrastructure Devices scale wireless LAN environments providing a multitude of manageable wireless ... 4. 13 shows an example of an Ethernet and serial converter. FIGURE 4. 13 A sample Ethernet and serial converter CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Chapter 4 – Wireless...

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 Physical Layers CWNA Exam Objectives ... and overhead requirements for wireless LAN protocols such as CSMA/CA. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 233 Chapter 9 –Troubleshooting Wireless LAN Installations use...

cwna certified wireless network administrator official study guide phần 9 pps

... CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Site Survey Fundamentals CWNA Exam Objectives Covered:  Understand ... still be able to gain access to the network. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Chapter 11 – Site Survey Fundamentals 31 4 FIGURE 11.8 Wireless Sniffer screenshot ... housing computers, tools, and secure documents during the survey and travel to and from the survey site CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 31 3 Chapter 11 – Site Survey Fundamentals...

cwna certified wireless network administrator official study guide phần 10 pptx

... CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Glossary CHAPTER 5 Appendix A – RF in Perspective 34 4 ... access point. Users are a “collective client” on the wireless network. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Glossary 35 0 authentication - The process a station uses to ... detect a collision. After CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 35 5 Glossary independent basic service set (IBSS) - An IEEE 802.11-based wireless network that has no backbone...

cwna Certified Wireless Network Administrator Official Study Guide phần 1 pptx

... 30 Watts (W) 30 Milliwatt 30 Decibels 30 dBm 32 dBi 34 Accurate Measurements 35 Key Terms 37 Review Questions 38 Answers to Review Questions 43 Spread Spectrum Technology 45 CWNA Study ... Hidden Node 230 Troubleshooting Hidden Node 231 Solutions for Hidden Node 232 Use RTS/CTS 232 Increase Power to the Nodes 233 Remove Obstacles 233 Move the Node 233 Near/Far 233 Troubleshooting ... Maintenance 130 RF Splitters 130 Choosing an RF Splitter 131 RF Connectors 133 Choosing an RF Connector 134 RF Cables 134 RF “Pigtail” Adapter Cable 136 Key Terms 137 Review Questions 138 Answers...

cwna certified wireless network administrator official study guide phần 6 pptx

... synchronize wireless communication on the wireless LAN. Beacons serve several functions, including the following. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 1 73 Chapter 7 – 802.11 Network ... with wireless networks. Just as with WEP keys, certificates (which are authentication documents) are placed on CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Chapter 7 – 802.11 Network ... save polling (PSP) mode causes overhead in an ad hoc network CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 1 63 Chapter 6 – Wireless LAN Organizations and Standards 16. "ISM"...

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