cwts certified wireless technology specialist official study guide exam pw0 070 phần 2 ppsx

... Mbps E. 12 Mbps 9. 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. ... (VLANs) wireless bridges wireless controllers/switches wireless LAN routers wireless mesh networking wireless repeaters wireless VPN router 38893c 02. indd 53...

Ngày tải lên: 10/08/2014, 12:21

... your hand is an important step in studying for the CWTS certification. The CWTS: Certified Wireless Technology Specialist Official Study Guide covers the CWTS exam objectives step-by-step in a ... WIPS  38893flast.indd 34 5/19/09 5:57:49 AM CWTS TM Certified Wireless Technology Specialist Official Study Guide Robert J. Bartz 38893ffirs.indd 1 5/18/09 4:06: 02...

Ngày tải lên: 10/08/2014, 12:21

... WLANs RF Channel Frequency (GHz) Length (in) Length (cm) 6 2. 437 GHz 4.85 in 12. 31 cm 40 5 .20 0 GHz 2. 27 in 5.77 cm 153 5.765 GHz 2. 05 in 5 .20 cm Frequency Frequency is defined as how many complete ... (RF) 99 IEEE 8 02. 11 wireless LANs use both the 2. 4 GHz and 5 GHz unlicensed frequency ranges for transmission. Table 4.1 lists some examples of wavelengths for IEEE 8 02. 11 w...

Ngày tải lên: 10/08/2014, 12:21

... Spectrum Technology Channel Frequency (GHZ) Americas EMEA Israel* China Japan 7 2. 4 42 ✓ ✓ ✓ ✓ ✓ 8 2. 447 ✓ ✓ ✓ ✓ ✓ 9 2. 4 52 ✓ ✓ ✓ ✓ ✓ 10 2. 457 ✓ ✓ ✓ ✓ ✓ 11 2. 4 62 ✓ ✓ ✓ ✓ ✓ 12 2.467 ✓ ✓ ✓ 13 2. 4 72 ✓ ... channels) 5.150–5 .25 0 5.18 0 5 .20 0 5 .22 0 5 .24 0 36 40 44 48 Americas/EMEA (4 channels) 5 .25 0–5.350 5 .26 0 5 .28 0 5.300 5. 320 52 56 60 64 Ameri...

Ngày tải lên: 10/08/2014, 12:21

... horizontal (azimuth) charts for 2. 4 GHz 8 dBi patch antenna 90° 120 ° 150° 180° 21 0° 24 0° 27 0° 300° 330° 0°1 020 3 30° 60° 90° 120 ° 150° 180° 21 0° 24 0° 27 0° 300° 330° 0°1 020 3 30° 60° Vertical Horizontal ... not a wireless LAN technology. 14. C, D. IEEE 8 02. 11a wireless LANs operate in the 5 GHz UNII bands. 8 02. 11b/g wireless LANs operate in the 2. 4 GHz ISM...

Ngày tải lên: 10/08/2014, 12:21

... arena 38893c08.indd 27 9 5/19/09 6:11:54 AM 38893c08.indd 28 2 5/19/09 6:11:54 AM Antenna Use Consideration 27 1 Point of sale devices ÛN Voice handsets ÛN Other wireless devices used in various wireless ... applications other than wireless networking. Figure 9 .2 shows an example of a WLAN spectrum analyzer that con- nects to a USB port on a computer. 38893c09.indd 28 6 5/19/09 6...

Ngày tải lên: 10/08/2014, 12:21

... Rate (mbps) 2. 4 GHz (dBm) 2. 4 GHz (dBm) Voice 5 GHz (dBm) 54 –61 –56 –58 36 –63 –58 –63 24 –67 – 62 –67 12/ 11 – 72 –67 – 72 6/5.5 –79 –74 –75 2 –81 –76 N/A 1 –84 –79 N/A Source: Certified Wireless ... that pertain to wire- less LAN technology. In wireless LAN technology, channel architecture is the design, layout, or channel plan in use. In the 2. 4 GHz band, for example...

Ngày tải lên: 10/08/2014, 12:21

... 8 02. 11a/n, with antennas, 38 Aruba Networks, case study, 25 3 – 25 4, 26 1 – 26 2 association, 22 3 – 22 4 association ID (AID), 23 5 authentication, 21 9 – 22 2, 341, 346 – 347 and association, 22 3 open ... 22 0, 22 0 – 22 1 shared key authentication, 22 1 – 22 2, 22 2 for Wi-Fi Protected Setup certification, 19 authentication, authorization and accounting (AAA) serve...

Ngày tải lên: 10/08/2014, 12:21

... 1. FIGURE 2. 3 The Windows Sidebar Always on Top option 65348.book Page 46 Monday, October 22 , 20 07 4 :27 PM 64 Chapter 2  Customizing and Configuring Windows Vista FIGURE 2. 21 Local user ... Windows Vista FIGURE 2. 21 Local user accounts FIGURE 2. 22 Administrators group Properties 65348.book Page 64 Monday, October 22 , 20 07 4 :27 PM 26 Chapter 1  Installing Windows...

Ngày tải lên: 10/08/2014, 13:20

... The reserved address spaces are as follows:  10.0.0.0 to 10 .25 5 .25 5 .25 5  1 72. 16.0.0 to 1 72. 31 .25 5 .25 5  1 92. 168.0.0 to 1 92. 168 .25 5 .25 5 Loopback addresses The loopback addresses have been reserved ... address will be in the 169 .25 4.0.0 to 169 .25 4 .25 5 .25 5 range and is subject to all the same rules as the private address spaces. 65348.book Page 341 Monday, Octob...

Ngày tải lên: 10/08/2014, 13:20