Free Huawei H12-321-ENU Exam Dumps Questions & Answers

In Layer 3 roaming, STAs roam from one AP to another AP, and the service VLANs of the corresponding VAPs change. After roaming, data packets of the STAs are sent to the service VLAN of the AP to which STAs roam.

• A.FALSE
• B.TRUE

Which of the following radio calibration modes are supported by Huawei devices? (Multiple Choice)

• A.Schedule mode
• B.Manual mode
• C.Autosensing mode
• D.Auto mode

When an engineer moves a directional antenna far away from another one, signal strength degrades, and then increases.
Why does the signal strength increase?

• A.Sidelobe
• B.Harmonic signal
• C.Signal reflection
• D.Sideband

Which of following statements about load balancing between the 2.4 GHz and 5 GHz radios are TRUE? (Multiple Choice)

• A.When the load difference on the 5 GHz and 2.4 GHz radios is smaller than the load balancing threshold, the AP instructs STAs to preferentially associate with the 5 GHz radio.
• B.When the load on the 5 GHz and exceeds the load balancing threshold, the AP instructs STAs to preferentially associate with the 2.4 GHz radio.
• C.If the load difference threshold between the two radios is set to 10, the two radios are not load balanced only when there are ten more STAs associated with the 5 GHz radio than with the 2.4 GHz radio.
• D.When the load on the 5 GHz exceeds the load balancing threshold, if a STA requests to associate with the 5 GHz radio, the AP will reject the association request until the STA associates with the 2.4 GHz radio.

Which statement about smart roaming is FALSE?

• A.Smart roaming directs sticky STAs to APs with better signals, preventing STAs from sticking to the original AP.
• B.Smart roaming enables the active probe function, so that APs can quickly collect neighbor information. Once a neighboring AP meets the condition, active roaming is triggered.
• C.Smart roaming directs STAs to APs with better signals in a timely manner.
• D.Smart roaming can be implemented only when it is supported by STAs.