H12-311 Exam Details

  • Exam Code
    :H12-311
  • Exam Name
    :HCIA-WLAN V3.0
  • Certification
    :Huawei Certifications
  • Vendor
    :Huawei
  • Total Questions
    :370 Q&As
  • Last Updated
    :Jul 15, 2026

Huawei H12-311 Online Questions & Answers

  • Question 11:

    Which of the following options are basic functions when configuring Huawei wireless controllers? (Choose three)

    A. Configure the AC ID
    B. Configure the radio template
    C. Configure the AC country code
    D. Configure the AC's WLAN source interface

  • Question 12:

    Which of the following statements about power calculation are correct? (Choose three)

    A. 0 dBm = 1 mW
    B. 3 dBm = 2 mW
    C. 10 dBm = 100 mW
    D. 27 dBm = 500 mW

  • Question 13:

    For better coverage, the AP signal should pass through walls in which orientation?

    A. Vertical
    B. Parallel
    C. 45?
    D. 60?

  • Question 14:

    Which of the following statements about the management VLAN is correct?

    A. Mainly responsible for transmitting user data when WLAN users access the Internet
    B. PVID VLAN under the WLAN ESS interface
    C. Service VLAN under the service set template
    D. Responsible for establishing the CAPWAP tunnel between the AC and the AP

  • Question 15:

    Which of the following are EDCA parameters? (Choose two)

    A. AIFSN
    B. SIFS
    C. DIFS
    D. TXOPLimit

  • Question 16:

    The coverage area of an AP can be adjusted by which methods? (Choose two)

    A. Adjusting the angle of the AP antenna
    B. Adjusting the transmit power of the AP
    C. Adjusting the AP's power supply
    D. Adjusting the AP's access bandwidth

  • Question 17:

    Among the following, what is the reason for using 5 GHz priority access?

    A. The 5 GHz band is easier for network planning.
    B. The 5 GHz band provides better access capacity and faster connection speed between the user and the AP.
    C. The transmission rate of the 5 GHz band.
    D. The 5 GHz band has a higher transmission rate than the 2.4 GHz band.

  • Question 18:

    Which of the following options is within the 5 GHz band supported in China?

    A. 5.15?.25 GHz
    B. 5.25?.35 GHz
    C. 5.725?.825 GHz
    D. 5.725?.850 GHz

  • Question 19:

    Three APs are deployed on the first floor with channels from left to right as 1, 6, and 11. The channels of the three APs deployed on the second floor should be:

    A. 1, 6, 11
    B. 2, 7, 12
    C. 6, 11, 1
    D. 11, 6, 1

  • Question 20:

    The types of AP domain deployment are: (Choose three)

    A. Independent deployment
    B. Discrete deployment
    C. Ordinary deployment
    D. Dense deployment

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