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24 Cards in this Set
- Front
- Back
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What 802.11 operates at 2.4ghz |
802.11n,b,g |
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Which 802.11 operates at 5ghz |
802.11n,a,ac |
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Max speed of 802.11ag, ac,n,b |
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Carrier signal for 802.11 is |
Electromagnetic wave |
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Number of cycles per a wave is known as |
Frequency |
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Amount of energy in a wave is known as |
Amplitude |
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Wave alignment compared to another wave is |
Phase |
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The distance between equal points in a wave or the length of one cycle is |
Wavelength |
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What organizations governs radio frequency in the US |
FCC |
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Organization that created and ratified the 802.11 standards |
IEEE |
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Organization that tests devices against the standard |
WiFi alliance |
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802.11 wireless network use which class of frequency space as Allocated by the FCC |
Unlicensed frequency |
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When a wave passes through an object such as a wall some of the energy is converted to heat this is called |
Absorption |
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When a wave passes through mediums of different densities and the wave is bent this is known as |
refraction |
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When a wave passes around a large object and is bent this is known as |
Defraction |
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Reflection can be overcome by installing higher gain antennas and increasing the output of the transmitter t or f |
False |
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Tree leaves water vapor and chain link fences cause what |
Scatter |
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Rf signal will attenuate as the wave travels away from the transmitter this is called |
Free space path loss |
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The IEEE that defines robust security network standard is |
802.11i |
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This IEEE defines wireless QoS which is required for VoIP |
802.11e |
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This IEEE defines the country within the beacon frame |
802.11d |
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What WiFi implementation that are 802.11i compliant |
WPA2 |
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Also known as WiFi 6 |
802.11ax |
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When 2 waves from the same transmitter arrive at the receiver at the same time and 180 degrees out of phase this is called |
Nulling |
