Bluetooth uses which type of data modulation?
Answer(s): C
option. Bluetooth and HomeRF are both FHSS technologies that use GFSK modulation technology in the 2.4 GHz ISM band.
When doing wireless LAN mathematical calculations, it is necessary to be able to convert which of the following?
Answer(s): A
MilliwattWhen implementing wireless LANs, power levels as low as 1 milliwatt (1/1000 watt, abbreviated as "mW") can be used for a small area, and power levels on a single wireless LAN segment are rarely above 100 mW - enough to communicate up to a half mile in optimum conditions. Access points generally have the ability to radiate 30-100 mW of power, depending on the manufacturer. It is only in the case of point-to-point outdoor connections between buildings that power levels above 100 mW would be used. Most of thepower levels referred to by administrators will be in mW or dBm. These two units of measurement both represent an absolute amount of power and are both industry standard measurements.
WEP keys are also known by what more generic name?
Shared secrets are strings of numbers or text that are commonly referred to as the WEP key. Certificates are another method of user identification used with wireless networks. Just as with WEP keys, certificates (which are authentication documents) are placed on
When considering erecting an outside antenna for use with a 2.4 GHz wireless LAN, which things are considered as you perform the site survey? (Choose two)
Answer(s): A,D
Insertion loss on wireless LAN splitters is measured in?
The insertion loss should be significantly low (perhaps around 0.1 dB) so as not to cause high RF signal amplitude loss as the signal passes through the arrestor. Low insertion loss (loss incurred by just introducing the item into the circuit) is necessary because simply putting the splitter in the RF circuit can cause a significant RF signal amplitude decrease. Insertion loss of 0.5 dB or less is considered good for an RF splitter.
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