Huawei H12-311_V3.0 Practice Exams
Last updated on Oct 22,2026- Exam Code: H12-311_V3.0
- Exam Name: HCIA-WLAN V3.0
- Certification Provider: Huawei
- Latest update: Oct 22,2026
WDS technology improves the flexibility and convenience of the entire network structure, but it can only support the point-to-point working mode.
- A . True
- B . False
What is the command to check online users on AC?
- A . display users all
- B . display user-interface console 0
- C . display local-user
- D . display access-user
Which of the following technologies belongs to wireless metropolitan area network?
- A . 2G/3G
- B . WLAN
- C . Bluetooth
- D . WiMAX
In the 802.11 frame, what is the correct correspondence between Type and frame format in the Frame Control bit?
- A . When Type is 01, it means data frame
- B . When Type is 10, it means control frame
- C . When Type is 00, it means reserved
- D . When Type is 00, it means management frame
How many channels can the 2.4 GHz frequency band be divided into?
- A . 14
- B . 13
- C . 11
- D . 3
If a wireless client connected to the same SSID wants to roam from one AP to another, what is the range of signal overlap between the two APs?
- A . 50%
- B . Does not need to overlap
- C . 100%
- D . 10%-15%
The 802.11 physical layer standard defines some common operations of the wireless network at the physical layer: such as QoS, security, roaming and other operations.
- A . True
- B . False
The modulation methods adopted by DSSS are BPSK and QPSK respectively.
- A . True
- B . False
How many subcarriers can be used to transmit data in 802.11a in 20M mode?
- A . 48
- B . 52
- C . 54
- D . 56
If the AP is working in the infrastructure mode, then the working state of the AP at this time is full-duplex mode.
- A . True
- B . False