Sybex SSCP (ISC) systems security certified practitioner official study guide

... Directional Antenna Specifications 13 5 13 5 13 6 13 8 13 8 14 0 14 0 14 1 14 3 14 4 14 6 14 7 14 7 14 8 14 8 15 0 15 1 15 2 15 3 15 7 16 0 16 1 16 1 16 3 16 4 16 5 16 6 16 7 16 7 16 8 17 0 18 1 18 2 Contents  RF Cables and Connectors ... of Power Summary Exam Essentials Key Terms Review Questions Answers to Review Questions 79 79 96 98 99 10 0 10 0 10 1...

Ngày tải lên: 10/08/2014, 12:21

... Mbps E 12 Mbps 8 02. 11g is backward compatible to which of the following IEEE wireless LAN standards? (Choose 2. ) A 8 02. 11 DSSS B 8 02. 11a OFDM C 8 02. 11a ERP-OFDM D 8 02. 11b HR/DSSS E 8 02. 3af 10 ... 8 02. 11 standard? A 8 02. 11a B 8 02. 11n C 8 02. 11e D 8 02. 11i E 8 02. 11g 17 Which of the following is correct regarding 8 02. 11e? A Only operates in the GHz frequency range B...

Ngày tải lên: 10/08/2014, 12:21

... computer case Figure 3. 8 shows an example of an IEEE 802.11 wireless PCI card 76  Chapter 3   Wireless LAN Client Devices n F i g u r e    ​ Netgear WG311T IEEE 802.11g wireless PCI adapter ... segment to wireless Figure 3. 11 illustrates an application of a wireless workgroup or client bridge 82  Chapter 3   Wireless LAN Client Devices n F i g u r e   11  ​ Typical applicati...

Ngày tải lên: 10/08/2014, 12:21

... of 14 Available Channels    continued) ( Channel Frequency (GHZ) 2 .44 2 ✓ ✓ ✓ ✓ ✓ 2 .44 7 ✓ ✓ ✓ ✓ ✓ 2 .45 2 ✓ ✓ ✓ ✓ ✓ 10 2 .45 7 ✓ ✓ ✓ ✓ ✓ 11 2 .46 2 ✓ ✓ ✓ ✓ ✓ 12 2 .46 7 ✓ ✓ ✓ 13 2 .47 2 ✓ ✓ ✓ 14 2 .48 4 Americas ... (4 channels) 5.150–5.250 5.180 5.200 5.220 5. 240 36 40 44 48 Americas/EMEA (4 channels) 5.250–5.350 5.260 5.280 5.300 5.320 52 56 60 64 Americas/EMEA (11 channels) 5...

Ngày tải lên: 10/08/2014, 12:21

... Horizontal beamwidth 75 Vertical beamwidth 65 Impedance 50 ohm Maximum power 25 W VSWR

Ngày tải lên: 10/08/2014, 12:21

... to large service businesses Case study Hospitality A case study for the American Airlines Center in Dallas, Texas, by Aruba Networks discusses an example of a wireless LAN deployment for the hospitality ... a wireless site survey Existing wireless networks ​ One of the questions that must be asked during the interview  ​ process is to determine the scope of any existing wireless ne...

Ngày tải lên: 10/08/2014, 12:21

... –61 –56 – 58 36 –63 – 58 –63 24 –67 –62 –67 12/11 –72 –67 –72 6/5.5 –79 –74 –75 81 –76 N/A 84 –79 N/A Source: Certified Wireless Network Administrator (CWNA) In IEEE 80 2.11 wireless LAN technology, ... available today that pertain to wireless LAN technology In wireless LAN technology, channel architecture is the design, layout, or channel plan in use In the 2.4 GHz band, for...

Ngày tải lên: 10/08/2014, 12:21

... amplitude, 100 , 100 channels, 103 , 103     04 –1 frequency, 99, 99    00 –1 phase, 100 , 101 range, 104 wavelength, 98    9, 99 –9 coverage, 270 cell size and, 105 , 106 number of users connected, 106   ... troubleshooting wireless networks and, 383 wireless bridges, 42, 42 wireless client bridge, 82 wireless controllers/switches  –  Zigbee networks  wireless controllers...

Ngày tải lên: 10/08/2014, 12:21

... 100 mW 100 mW 100 mW 50 mW 25 mW 12. 5 mW 20 0 mW Point A Point B Point C -3 dB -3 dB -3 dB 2 2 2 2 2 2 2 2 2 Point D Point D + 12 dBi (x2 x2 x2 x2) x16 x16 x16 x16 Accurate Measurements ... whether or not a wireless link is viable EIRP takes into account the gain of the antenna CWNA Study Guide © Copyright 20 02 Planet3 Wireless, Inc 29 Chapter – RF Fundamentals FIGUR...

Ngày tải lên: 14/08/2014, 14:20

... points x 11 Mbps = 33 Mbps At roughly 50% of rated bandwidth, the DSSS system throughput would be approximately: 33 Mbps / = 16.5 Mbps CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc Chapter ... the wireless LAN connection and speed FIGURE 3. 6 DSSS non-overlapping channels P MHz 22 MHz Channel Channel Channel 11 f 2.401 GHz CWNA Study Guide © Copyright 2002 Planet3...

Ngày tải lên: 14/08/2014, 14:20

... Ranges from 14- 64 Parabolic Dish Ranges from 4- 25 Ranges from 4- 21 Omni-directional CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc Chapter – Antennas and Accessories 1 14 Selecting an ... a wireless residential gateway, while Figure 4. 17 illustrates where a wireless residential gateway is used on a wireless LAN FIGURE 4. 16 A sample wireless residential gate...

Ngày tải lên: 14/08/2014, 14:20

... 2.4000-2.48 35 GHz 5. 7 25 5.8 25 GHz FCC: 2.4000-2 .50 00 GHz 2.400 2.4 25 2. 450 2.4 75 2 .50 0 GHz ISM FCC: 902-928MHz 900 MHz 910 920 5. 7 25 5.7 75 5.8 25 5.8 75 GHz 930 Maritime, Radio Astronomy 10 MHz 5. 000 5. 250 ... available CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc 147 Chapter – Wireless LAN Organizations and Standards FIGURE 6.1 ISM and UNII S...

Ngày tải lên: 14/08/2014, 14:20

... design, limits the scalability of the wireless network by adding the additional overhead of polling frames CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc 2 07 Chapter – MAC and Physical Layers ... the network at the maximum rated speed of the network C Eliminate hidden nodes on the network D Diagnose and reduce high overhead between stations CWNA Study Guide...

Ngày tải lên: 14/08/2014, 14:20

... 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 Chapter ... from tinkering with or using your wireless LAN CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc Chapter 10 – Wireless LAN Security 2 68 MAC Address Filteri...

Ngày tải lên: 14/08/2014, 14:20

... be used with wireless VPN solutions CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc Chapter 10 – Wireless LAN Security 280 Corporate Security Policy A company that uses wireless LANs ... Figure 10.13 CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc Chapter 10 – Wireless LAN Security 286 FIGURE 10.13 Wireless DMZ Server Server Co Ne rate rp o rk two Fir...

Ngày tải lên: 14/08/2014, 14:20