Exam 11: Wireless Lans
Exam 1: Introduction25 Questions
Exam 2: Business Information23 Questions
Exam 3: Distributed Data Processing20 Questions
Exam 4: Internet History and Architecture18 Questions
Exam 5: Tcp/ip and Osi15 Questions
Exam 6: Clientserver and Intranet Computing13 Questions
Exam 7: Internet-Based Applications20 Questions
Exam 8: Internet Operation16 Questions
Exam 9: Lan Architecture and Protocols17 Questions
Exam 10: Ethernet and Fibre Channel13 Questions
Exam 11: Wireless Lans15 Questions
Exam 12: Circuit Switching and Packet Switching17 Questions
Exam 13: Frame Relay and Atm24 Questions
Exam 14: Wireless Wans23 Questions
Exam 15: Data Transmission25 Questions
Exam 16: Data Communication Fundamentals23 Questions
Exam 17: Data Link Control and Multiplexing15 Questions
Exam 18: Computer and Network Security Threats27 Questions
Exam 19: Computer and Network Security Techniques18 Questions
Exam 20: Network Management15 Questions
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When using wireless network,roaming occurs when a mobile stations moves from one access point (or cell)to another.
Free
(True/False)
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Correct Answer:
True
LAN Extension is an application of wireless technology in situations where it may be used as an alternative to installing additional wired LAN.
Free
(True/False)
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Correct Answer:
True
The two frequency bands typically used by IEEE 802.11 wireless networks are located approximately at 900 MHz and 2.4 GHz.
Free
(True/False)
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Correct Answer:
False
IEEE 802.11 defines a number of services that need to be provided by wireless LAN to provide functionality.Which of the following is not one of these services?
(Multiple Choice)
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A significant problem when using wireless LANs or Bluetooth arises because other applications use the same frequency bands,which causes interference problems.
(True/False)
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Typical ranges (distance between sender and receiver)for a wireless LAN are of the order 100 to 1000 meters.
(True/False)
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One advantage of wireless LAN use is that any transmission frequency can be used as long as it does not interfere with other nearby applications.
(True/False)
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When using a wireless LAN with a notebook computer,it is necessary for the computer not to move while the connection is active.
(True/False)
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A wireless LAN is easier than wired LANs because there are fewer requirements for capacity and connectivity.
(True/False)
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The typical coverage area for a wireless LAN is 300 to 500 meters.
(True/False)
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Wireless LAN applications typically employ control modules that link wireless LANs to wired LANs.
(True/False)
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Infrared LANs are an economic alternative to spread spectrum LANs.
(True/False)
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