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Free H12-351_V1.0 Exam Braindumps (page: 5)

Page 4 of 16
PDF with 60 Questions

Which of the following types of non-Wi-R devices can be identified by Huawei APs? (Select All that Apply)

  1. Bluetooth device
  2. ZigBee device
  3. Game controller
  4. 2.4 GHz wireless video and audio transmitter

Answer(s): A,B,D

Explanation:

Huawei APs can identify non-Wi-Fi devices that operate in the 2.4 GHz frequency band, such as Bluetooth devices, ZigBee devices, game controllers, wireless video and audio transmitters, microwave ovens, cordless phones, and baby monitors.


Reference:

https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/non-wi-fi- device-identification



Which of the following advantages does BSS coloring provide in Wi-Fi 6? (Select All that Apply)

  1. Higher packet rate on the air interface
  2. Enhanced encryption on the air interface
  3. More efficient channel use
  4. Higher concurrency in high-density scenarios

Answer(s): A,C,D

Explanation:

BSS coloring is a feature introduced in Wi-Fi 6 that assigns different colors to different BSSs to reduce co-channel interference. BSS coloring provides the following advantages:
Higher packet rate on the air interface: BSS coloring reduces collisions between packets from different BSSs on the same channel, improving packet transmission efficiency. More efficient channel use: BSS coloring allows spatial reuse of channels by different BSSs, increasing channel utilization.
Higher concurrency in high-density scenarios: BSS coloring reduces interference among neighboring APs and improves network performance in high-density scenarios.


Reference:

https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/bss- coloring



An AP may preferentially use the BTM mode to steer some STAs. With which of the following protocols are such STAs compliant?

  1. 802.11k
  2. 802.11i
  3. 802.11r
  4. 802.11v

Answer(s): D

Explanation:

An AP may preferentially use the BTM mode to steer some STAs that are compliant with 802.11v protocol. BTM stands for BSS Transition Management, which is a feature defined in 802.11v protocol that allows an AP to send a request to a STA to switch to another BSS.


Reference:

https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/btm



As shown in the figure, STA_1 through STA_4 are associated with AP_1, and STA_5 is associated with AP_2. Assuming that the load balancing threshold is 2, the load difference threshold is 25%, and API and AP2 support a maximum of 10 STAs, which of the following statements are true? (Select All that Apply)

  1. The load percentage of AP_1 is 40%, and that of AP_2 is 10%.
  2. The load balancing mechanism needs to be enabled. Then some STAs are steered from AP_1 to AP__2.
  3. If load balancing is performed, the load percentage of AP_1 changes to 30%.
  4. The minimum load percentage is 10%, which is greater than the load difference threshold.
    Therefore, load balancing needs to be enabled.

Answer(s): A,B

Explanation:

The load percentage of an AP is calculated by dividing the number of associated STAs by the maximum number of STAs supported by the AP. In this case, the load percentage of AP_1 is 4/10 = 40%, and that of AP_2 is 1/10 = 10%. The load balancing mechanism needs to be enabled to balance the load between AP_1 and AP_2. Then some STAs are steered from AP_1 to AP_2 based on the load balancing threshold and the load difference threshold.


Reference:

https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/load- balancing






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