H12-323-V2.0: HCIP-WLANDemo

By Huawei · Browse Mode
About the Exam

This Huawei certification exam is part of the HCIP-WLAN track for senior WLAN engineers. It covers Huawei WLAN products and technologies used to plan, design, deploy, operate, and optimize WLANs for large and medium-sized enterprises. Passing demonstrates the ability to handle enterprise WLAN solution planning and network O&M with Huawei WLAN equipment.

Exam Topics

  • WLAN Networking Technologies16%
  • User Access and Authentication8%
  • WLAN Roaming8%
  • WLAN Radio Resource Management8%
  • WLAN Planning Basics8%
  • WLAN Planning Tools6%
  • WLAN Planning Process6%
  • WLAN Planning Scenarios10%
  • WLAN Network Optimization Overview and Tools7%
  • WLAN Optimization Solution9%
  • WLAN O&M8%
  • WLAN Troubleshooting6%

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Last updated April 16, 2026 at 7:56 AM

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QuestionQ1

WLAN Radio Resource Management

Actual packet transmission rates of STAs differ greatly depending on the radio modes that STAs support and the radio environment. The airtime scheduling function allocates channel resources according to the channel-occupation time of users connected to the same radio. Each user receives equal time to occupy the channel, ensuring fairness in channel occupation. If multiple users send different packet types, airtime scheduling still takes effect.

  • A TRUE
  • B FALSE
Explanation

Airtime scheduling gives users on the same radio fair channel-occupation time, but it does not take effect between users transmitting different packet types. When WMM is enabled, packets are scheduled by service type, so voice traffic is scheduled with voice traffic and video traffic with video traffic.

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QuestionQ2

WLAN Planning Scenarios

On an agile distributed WLAN, RUs and central APs must be located on the same Layer 2 network, and each RU can associate with only one central AP.

  • A TRUE
  • B FALSE
Explanation

In Huawei agile distributed WLANs, RUs and the central AP must reside on the same Layer 2 network so the RUs can discover the central AP. Each RU can discover and therefore associate with only one central AP.

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QuestionQ3

WLAN Networking Technologies

Which WAC reliability networking modes require the active and standby WACs to use the same models and software versions?

Choose two
  • A Dual-link HSB
  • B Dual-link cold backup
  • C VRRP HSB
  • D N+1 backup
Explanation

Two-node HSB—both dual-link HSB and VRRP HSB—requires the active and standby WACs to have the same model and software version. Dual-link cold backup and N+1 cold backup permit different WAC models, although their software versions must be the same.

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QuestionQ4

WLAN Planning Tools

APs may be deployed either automatically or manually in WLAN Planner. In most scenarios, manual AP deployment is recommended. Automatic AP deployment applies only to certain scenarios with simple structures.

  • A TRUE
  • B FALSE
Explanation

WLAN Planner supports both automatic and manual AP deployment. Manual placement is generally recommended because complex environments require site-specific consideration of obstacles, coverage needs, and installation constraints; automatic placement is appropriate only for simple layouts.

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QuestionQ5

WLAN Networking Technologies

A VLAN pool can be configured to supply service VLANs. Which of the following statements about a VLAN pool is false?

  • A If the VLAN assignment algorithm is set to hash and a STA goes online multiple times, the STA is preferentially assigned the IP addresses it uses previously.
  • B Configuring a VLAN pool to provide service VLANs can reduce the number of STAs in each VLAN and also the size of the broadcast domain.
  • C If the VLAN assignment algorithm is set to even and a STA goes online multiple times, the STA obtains different IP addresses each time.
  • D Nonexistent VLANs cannot be added to a VLAN pool.
Explanation

A VLAN that does not yet exist can be added to a VLAN pool. However, the VLAN must subsequently be created before it can take effect. VLAN pools distribute new STAs among multiple service VLANs, reducing the number of STAs in a single VLAN and the broadcast-domain size; hash assignment preferentially retains an STA’s IP address, whereas even assignment generally gives it a different address on repeated connections.

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Topics covered
WLAN Networking TechnologiesUser Access and AuthenticationWLAN RoamingWLAN Radio Resource ManagementWLAN Planning BasicsWLAN Planning ToolsWLAN Planning ProcessWLAN Planning ScenariosWLAN Network Optimization Overview and ToolsWLAN Optimization SolutionWLAN O&MWLAN Troubleshooting
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