Exam 12: Wireless Network Troubleshooting and Optimization
Exam 1: The World of Wireless41 Questions
Exam 2: Wireless Local Area Networks41 Questions
Exam 3: Radio Frequency Fundamentals42 Questions
Exam 4: Antennas41 Questions
Exam 5: Physical Layer Standards42 Questions
Exam 6: Medium Access Control Layer Standards42 Questions
Exam 7: WLAN Management and Architectures41 Questions
Exam 8: Conducting a Site Survey41 Questions
Exam 9: Wireless LAN Security Vulnerabilities40 Questions
Exam 10: Implementing Wireless LAN Security40 Questions
Exam 11: Managing a Wireless LAN41 Questions
Exam 12: Wireless Network Troubleshooting and Optimization41 Questions
Exam 13: Other Wireless Networks42 Questions
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Which of the following are categories of external noise interference on a WLAN? (Choose all that apply.)
Free
(Multiple Choice)
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Correct Answer:
B, C
Which of the following is a possible problem when a wireless device intermittently disconnects from the AP?
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(Multiple Choice)
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Correct Answer:
A
Which of the following is NOT part of the process a Windows wireless client performs when scanning for wireless networks?
Free
(Multiple Choice)
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Correct Answer:
C
One of the main sources of WLAN problems is ____________ interference.
(Short Answer)
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The system operating margin is the difference between the received signal level and that which is required.
(True/False)
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Competing technologies that use FHSS can create ______________ interference.
(Short Answer)
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When a wireless device running Windows attempts to connect to the WLAN it goes through a five-step process.List the steps in this process.
(Essay)
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Choose the correct order of events of the Windows WLAN connection process?
1.Authenticate
2.Obtain an IP address
3.Scan for wireless networks
4.Choose an AP
5.Associate
a.5,3,2,1,4
b.3,4,1,5,2
c.3,4,5,2,1
d.4,3,1,5,2
(Short Answer)
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Whenever possible,a wireless device should be set to disable its wireless function when it connects to a wired network.
(True/False)
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What should you do when you have several wireless devices,all with different power levels,and one or more of the devices are having difficulty communicating?
(Multiple Choice)
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Which of the following are proposed solutions to the interference caused by competing technologies that use FHSS to hop across the spectrum? (Choose all that apply.)
(Multiple Choice)
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Describe the issue of duplicate SSIDs and why this may cause a wireless device to intermittently disconnect from the AP.
(Essay)
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Which type of interference is generated by television,radio,and satellite transmitters?
(Multiple Choice)
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Which type of device can you use to detect RF interference?
(Multiple Choice)
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How can modifying power levels mitigate all-band interference problems?
(Essay)
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Which of the following are factors to consider when troubleshooting slow throughput? (Choose all that apply.)
(Multiple Choice)
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When one wireless device of close proximity to the AP drowns out the signal of another device,this problem is referred to as which of the following?
(Multiple Choice)
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