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Definition
| In ____ scanning, the station transmits a special frame, known as a probe, on all available channels within its frequency range. |
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| Frame ____ is an 802.11n network feature allowing the combination of multiple frames into one larger frame. |
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| Dial return satellite Internet access is a(n) ____ technology. |
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| A wireless networking technology that uses FHSS and was designed for use primarily with small office or home computers in which multiple devices (pagers, PDA's, computers) are connected. Nodes can be as far away as 30 meters. |
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| Channel ____ is an 802.11n feature that allows two adjacent 20-MHz channels to be combined to make a 40-MHz channel. |
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| A unique characteristic of the 802.11 data frame is its sequence ____ field. |
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| The phenomenon that occurs when a wireless signal splits into secondary waves when it encounters an obstruction. |
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| This type of antenna issues wireless signals along a single direction. |
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| A change in a wireless signal's strength as a result of some of the electromagnetic energy being scattered, reflected, or diffracted after being issued by the transmitter. |
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Definition
| In wireless communication, to exchange information, two antennas must be tuned to the same __________. |
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| The term used to refer to a satellite that maintains a constant distance from a point on the equator at every point in its orbit. These types of satellites are used most often to provide satellite Internet access. |
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Definition
| If intermittent and difficult-to-diagnose wireless communication errors occur, ____ might be the culprit |
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Definition
| ____ is a command-line function for viewing and setting wireless interface parameters and it is common to nearly all versions of Linux and UNIX. |
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| A type of satellite that orbits the Earth with an altitude between 100 and 900 miles, closer to the Earth's poles that GEO or MEO satellites. |
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Definition
| A type of wireless system in which the receiver can be located anywhere within the transmitter's range. This allows the receiver to roam from one place to another while continuing to pick up its signal. |
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Definition
| The phenomenon that occurs when a electromagnetic wave encounters an obstacle and bounces back toward its source. |
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| A directional antenna issues wireless signals along a(n) ____ direction |
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| Satellite return Internet access is a(n) ____ technology. |
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Definition
| A LAN that uses wireless connections for some or all of its transmissions. |
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