Which of the following IEEE standards is defined to enhance security of Wireless LANs (WLANs) that follow the IEEE 802.11 standard?
A. 802.11b
B. 802.11a
C. 802.11g
D. 802.1X
Which of the following wireless standards operates at 54 Mbps in the 5Ghz band?
A. 802.11a
B. 802.11i
C. 802.11b
D. Bluetooth
In which of the following situations will you use an omnidirectional antenna? Each correct answer represents a complete solution. Choose all that apply.
A. Increase the WLAN coverage area.
B. Bridge Wireless Access Points.
C. To send wireless signals to longer distances.
D. Connect wireless hosts to WAP.
E. Connect laptops to WAP.
Which of the following channel access methods is used in IEEE 802.11 networks?
A. CSMA/CA
B. CSMA/CD
C. Token passing
D. Full duplex
John works as a Network Administrator for Web Perfect Inc. The company has a wireless LAN network. John configures 802.11 authentications on all the clients present in the network. A client becomes active on the network and wants to pass traffic on the medium. Which of the following frames does the client use to search all access points in its radio range?
A. Probe request frame
B. Authentication request frame
C. Association request frame
D. Authentication response frame
Which of the following is a case sensitive text string used in wireless network and having a maximum length of 32 characters?
A. WEP
B. WAP
C. SSID
D. WTLS
What does a protocol analyzer do during a manual site survey?
A. Execute an RF analysis of an area.
B. Describe wireless LAN security requirements.
C. Identify existing wireless networks in an area.
D. Locate RF interference sources.
Which of the following radio frequencies is used by an IEEE 802.11g wireless network?
A. 11.0 GHz
B. 7.0 GHz
C. 5.0 GHz
D. 2.4 GHz
A Web developer with your company wants to have wireless access for contractors that come in to work on various projects. The process of getting this approved takes time. So rather than wait, he has put his own wireless router attached to one of the network ports in his department. What security risk does this present?
A. None, adding a wireless access point is a common task and not a security risk.
B. An unauthorized WAP is one way for hackers to get into a network.
C. This circumvents network intrusion detection.
D. It is likely to increase network traffic and slow down network performance.
Your customer reports he just bought a new laptop and he cannot log on to his wireless router with it. You verify the wireless NIC is working, you can see the wireless routers network, and you verify the customer is using the correct username and password. What is the most likely cause of this problem?
A. The router has a virus.
B. His new laptop is not compatible with the router.
C. MAC filtering is enabled.
D. The router has maximum connections now.
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