300-370 · Question #39
Refer to the exhibit. Access points ate deployed in an office building and users report that the real-time communications quality of experience is poor when users walk between the elevators The…
The correct answer is C. Enable 802 11k on the WLAN. https://support.apple.com/en-us/HT203068 “For example, if a user is on a call and walks to the other side of the building, the device crosses the -70 dBm threshold and looks for roam targets. Using the neighbor report provided by 802.11k, it knows there are APs supporting the…
Question
Refer to the exhibit. Access points ate deployed in an office building and users report that the real-time communications quality of experience is poor when users walk between the elevators The elevators are a heavy metallic obstacle, and AP 3 was installed to cover the elevator area, which AP t and AP 2 signal does not reach Communications are captured for a user walking from point A to point C. and it is observed that the user iPhone device suddenly scans all bands and then roams from AP I to AP 3 somewhere between points B and C WLAN is set to 5 GHz only. Open, default rate configuration. Which action improves the real-time application quality of experience in this area?
Exhibit
Options
- AEnable 802 11v on the WLAN
- BEnable 802 11r on the WLAN
- CEnable 802 11k on the WLAN
- DMove AP 2 to point B
How the community answered
(23 responses)- A17% (4)
- B30% (7)
- C48% (11)
- D4% (1)
Explanation
https://support.apple.com/en-us/HT203068 “For example, if a user is on a call and walks to the other side of the building, the device crosses the -70 dBm threshold and looks for roam targets. Using the neighbor report provided by 802.11k, it knows there are APs supporting the current ESSID on channels 36, 44 and 11. It immediately scans those channels, finds the AP on channel 44 has the appropriate signal strength, and roams. However, without 802.11k the client must scan all of the various channels on each band to find a roam target, adding several seconds to the process.”
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