Exam 9: Wireless Technologies
Exam 1: Lan/Wan Networking: an Overview83 Questions
Exam 2: Lan/Wan Interconnectivity82 Questions
Exam 3: Physical Transmission Options83 Questions
Exam 4: Network Transmission Equipment83 Questions
Exam 5: Lan Protocols83 Questions
Exam 6: Tcp/Ip Past, Present, and Future86 Questions
Exam 7: Wan Transport Methods83 Questions
Exam 8: ATM Technologies82 Questions
Exam 9: Wireless Technologies82 Questions
Exam 10: Integrating Voice, Video, and Data82 Questions
Exam 11: Lan and Wan Design: Putting It All Together82 Questions
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Within the 802.11 standard, the CSMA/CA access method is a ____ layer function.
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(Multiple Choice)
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B
A(n)watt represents a radiated alternating current or emission of one cycle per second.
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(True/False)
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False
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.
(True/False)
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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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Network applications use lower frequencies than local radio station broadcasts.
(True/False)
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____ is not an alternative to IEEE 802.11 for radio wave communications.
(Multiple Choice)
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One function of the authentication process is disconnecting when a communication session is complete.
(True/False)
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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.
(True/False)
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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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