Regarding the characteristics of Huawei WLAN products, the following statement is correct.

Question

Options

• AWireless controller can achieve high availability through stacking
• BHuawei's AP radio tuning function is divided into global tuning and local tuning. The local tuning is
• CThe switching threshold of WLAN load balancing has two configurations based on the number of
• DAfter the dual-link backup configuration, if the user adopts the tunnel forwarding mode, the active

• A
  5% (1)
• B
  14% (3)
• C
  73% (16)
• D
  9% (2)

Explanation

Option C is correct because Huawei WLAN load balancing thresholds support two configuration dimensions: by the number of associated users (STA count) and by traffic load (bandwidth utilization). When an AP hits a configured threshold, new association requests are redirected to a less-loaded AP, ensuring balanced network resources across the WLAN.

Why the distractors are wrong:

• A is incorrect - Huawei wireless controllers (ACs) achieve high availability through HSB (Hot Standby Backup) dual-link redundancy, not stacking. Stacking is a switch feature, not an AC feature.
• B is incorrect - Huawei AP radio calibration (tuning) is divided into scheduled (global) and event-triggered (local) calibration. The statement's description of "local tuning" is misleading or incomplete; local calibration responds to RF environment changes on individual APs, not a broader scope adjustment.
• D is incorrect - In dual-link backup with tunnel forwarding mode, all user traffic flows through the active AC's tunnel; the statement incorrectly characterizes this forwarding behavior.

Memory tip: Think of load balancing thresholds as two measuring sticks - one counts heads (users), the other measures flow (traffic). Huawei gives you both knobs. When studying AC redundancy, remember: ACs back up, switches stack - don't mix the two concepts.

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