Term
The ______________________________ is a unique character string used to identify an access point. |
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Definition
SSID (service set identifier) service set identifier SSID |
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Satellite return Internet access is a(n) ____ technology. |
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A directional antenna issues wireless signals along a(n) ____ direction. |
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The use of multiple frequencies to transmit a signal is known as ____________________ technology. |
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____ 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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____ 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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In ____ wireless systems, the result is a point-to-point link. |
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____ is an 802.11n network feature allowing the combination of multiple frames into one larger frame. |
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Term
An 802.11g antenna has a geographic range of ____ meters. |
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A(n) ____________________ assesses client requirements, facility characteristics, and coverage areas to determine an access point arrangement that will ensure reliable wireless connectivity within a given area. |
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Term
Places where wireless Internet access is available to the public are called ____________________. |
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Term
In wireless communication, to exchange information, two antennas must be tuned to the same ____. |
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Term
In ____ scanning, the station transmits a special frame, known as a probe, on all available channels within its frequency range. |
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Using Bluetooth version 2.0, communicating nodes can be as far as ____ meters apart. |
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In ____, a wireless signal splits into secondary waves when it encounters an obstruction. |
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LEO satellites orbit the Earth with an altitude as low as ____ miles. |
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Term
A unique characteristic of the 802.11 data frame is its ____ field. |
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____ may use either the 2.4-GHz or 5-GHz frequency range. |
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____ satellites are the type used by the most popular satellite Internet access service providers. |
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If intermittent and difficult-to-diagnose wireless communication errors occur, ____ might be the culprit. |
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Satellite Internet access providers typically use frequencies in the C- or ____ bands. |
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____ is the least popular WLAN standard. |
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____ is a most significant problem for wireless communications because the atmosphere is saturated with electromagnetic waves. |
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Dial return satellite Internet access is a(n) ____ technology. |
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____________________ means that satellites orbit the Earth at the same rate as the Earth turns. |
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Definition
Geosynchronous orbit Geostationary orbit GEO |
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Term
The average geographic range for an 802.11a antenna is ____ meters. |
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Definition
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