6.14 Exam Questions – Flashcards
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Which of the following recommendations should you follow when placing access points wireless access for users within your company building?
answer
Place access points above where most clients are.
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Which of the following is not one of the ranges of IP addresses defined in RFC 1918 that are commonly used behind a NAT server?
answer
169.254.0.1 - 169.254.255.254
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A customer has called and indicated that he thinks his neighbor is connecting to his wireless access point (AP) to use his high-speed Internet connection. Which of the following will help resolve this issue? (2)
answer
Implement WPA2 and disable SSID broadcast on the Ap
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A user on your network has been moved to another office down the hall. After the move she calls you complaining that she has only occasional network access through her wireless connection. Which of the following is most likely the cause of the problem?
answer
The client system has moved too far away from the access point
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You've just finished installing a wireless access point for the client. Which action best protects the access point from unauthorized configuration settings?
answer
changing the administrative password
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You recently installed a small office home office wireless router. To avoid security holes and bugs, what should you do to the router?
answer
update the firmware
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You have a computer that is connected to the Internet through a NAT router. You want to use a private addressing scheme for your computer. Which of the following IP addresses could you assign to the computer? (3)
answer
192.168.12.253 and 10.0.12.15 and 172.18.188.67
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Which of the following are good reasons to enable NAT?
answer
To translate between Internet IP addresses and the IP addresses on your private network
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You need to place a wireless access point in your two-story building. While trying avoid interface, which of the following is the best location for the access point?
answer
in the top floor
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What is the least secure place to locate the access point when creating a wireless network?
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near a window
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Which of the following locations will contribute the greatest amount of interface for a wireless access point? (2)
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near backup generators and near cordless phones
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A user calls to report that she is experiencing intermittent problems while accessing the wireless network from her laptop computer. While she normally works from her office, today she is trying to access the wireless network from a conference room which is across the hall and next to the elevator. What is the most likely cause of her connectivity problem?
answer
interference is affecting the wireless signal
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You've just install a wireless access point (AP) for your organization's network. You know that the radio signals used by the AP extend beyond your organization's building and are concerned that unauthorized users outside may be able to access your internal network. What can you do to protect the wireless network? (2)
answer
configure the AP to filter out unauthorized MAC addresses and disable DHCP on the AP
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You need to add security for you wireless network. You would like to use the most secure method. Which method should you implement?
answer
WPA2
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A user calls to report that she is experiencing intermittent problems while accessing the wireless network from her laptop computer. While talking to her, you discover that she is trying to work from the break room two floors above the floor where she normally works. What is the most likely cause of her connectivity problem?
answer
The user is out of the effective range of the wireless access point on her floor