Exam 9: Wireless Technologies

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Within the 802.11 standard, the CSMA/CA access method is a ____ layer function.

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A(n)watt represents a radiated alternating current or emission of one cycle per second.

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What is diffused infrared? What standard uses diffused infrared for wireless communications?

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Diffused infrared is reflecting signals off of a ceiling inside a building. Diffused infrared is used by the 802.11R standard for wireless communications.

The Point-to-Point protocol enables roaming wireless networking communications.

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List three types of needs for which wireless networks are designed and installed.

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The communication method used by the 802.11R standard is _________________________.

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What is shared key authentication?

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The W in WLANA stands for ____.

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Amplification of the radiated signal is called ____.

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Infrared is susceptible to interference from EMI.

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Network applications use lower frequencies than local radio station broadcasts.

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Which is not a disadvantage of infrared?

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What does CSMA/CA stand for? Briefly describe what it is.

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____ is not an alternative to IEEE 802.11 for radio wave communications.

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  The figure above is an example of ____ wireless topology. The figure above is an example of ____ wireless topology.

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One function of the authentication process is disconnecting when a communication session is complete.

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The 802.11g standard is an extension of the 802.11a standard and enables data transfer rates up to 54 Mbps in the 2.4 GHz range.

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The informal beginning of wireless networking is in ____________________.

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____________________ technology uses one or more adjoining frequencies to transmit the signal across greater bandwidth.

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The 802.11 standard does not focus on the OSI ____ layer.

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