What feature(s) are most likely to be supported by 802.11 enterprise-class WLAN controllers?
(Choose 4)

• A.802.1p and DSCP QoS
• B.IGMP snooping
• C.BGP and Frame Relay
• D.Link aggregation / port trunking
• E.Captive web portals

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What statement about the IEEE 802.11-2016 QoS facility is true?

• A.802.11 control frames are assigned to the 802.11 EF priority queue.
• B.Four 802.1p user priorities are mapped to eight 802.11 transmit queues.
• C.802.11 QoS is achieved by giving high priority queues a statistical advantage at winning contention.
• D.When the Voice queue has frames awaiting transmission, no data will be transmitted from the Best Effort queue.

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The requirements for a WLAN you are installing state that it must support unidirectional delays of less than 150 ms and the signal strength at all receivers can be no lower than -67 dBm. What application is likely used that demands these requirements?

• A.E-Mail
• B.RTLS
• C.FTP
• D.VoIP

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A non-802.11 device is suspected of causing interference on the WLAN. You are not certain of the location or type of device. What is the best solution for locating this non-802.11 device?

• A.Laptop-based spectrum analyzer with an omni-directional antenna
• B.Access point spectrum analyzer
• C.Laptop-based spectrum analyzer with a directional antenna
• D.Laptop-based protocol analyzer with an omni-directional antenna

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A non-802.11 device is suspected of causing interference on the WLAN. You are not certain of the location or type of device. What is the best solution for locating this non-802.11 device?

• A.Access point spectrum analyzer
• B.Laptop-based spectrum analyzer with a directional antenna
• C.Laptop-based spectrum analyzer with an omni-directional antenna
• D.Laptop-based spectrum analyzer with an omni-directional antenna

Comment: *

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