Under the 802.11 standard, what modulation is used when transmitting data using FHSS?
Answer(s): B
(DQPSK), and Gaussian Frequency Shift Keying (GFSK) are the types of modulation used by 802.11 and 802.11b products on the market today.Bluetooth and HomeRF are both FHSS technologies that use GFSK modulation technology in the 2.4 GHz ISM band.Differential Quadrature Phase Shift Keying
Which of the following features are found in wireless Residential Gateways? (Choose all that apply)
Answer(s): A,D,E
Residential wireless gateways are now available with VPN technology, as well as NAT, DHCP, PPPoE, WEP, MAC filters, and perhaps even a built-in firewall.These devices are sufficient for small office or home office environments with few workstations and a shared connection to the Internet. Costs of these units vary greatly depending on their range of offered services. Some of the high-end units even boast static routing and RIPv2.
Which of these WLAN devices cause loss in the RF signal path? (Choose all that apply)
Answer(s): A,B,D
An RF attenuator is a device that causes precisely measured loss (in -dB) in an RF signal.While an amplifier will increase the RF signal, an attenuator will decrease it.
Beacon frames are used for? (Choose two)
Answer(s): A,B
According to the book, the beacon frames are used for time synchroniztion and channel information (for DSSS and FHSS).
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willianzd@terra.com.br Commented on October 16, 2014 Preciso do desconto para EW0-300, Cisco CCNA, Huawei HCNA. ITIL entre outros... UNITED STATES
Ridhi Commented on June 22, 2013 Myfeedback about HP0-064. EXCELLENT... I pass. Very Excellent GTA
Taylor G Commented on June 22, 2013 The good news is I passed the exam! Dijon
Ridhi Commented on April 20, 2009 Myfeedback about HP0-064. EXCELLENT... I pass. Very Excellent GTA
Taylor G Commented on April 18, 2009 The good news is I passed the exam! Dijon