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
What is the bandwidth of each channel in the 802.11g frequency band?
- A . 25 MHz
- B . 20 MHz
- C . 50 MHz
- D . 22 MHz
What is the name of SSID?
- A . Basic service set
- B . Essential service area
- C . Extended service set
- D . Service Set ID
ETSI is the standard organization of which country or region?
- A . China
- B . The United States
- C . Japan
- D . Europe
In the WDS point-to-point network, the backbone link between the Root AP and the Leaf AP is connected using the 5GHz frequency band. The frequency band used by the Root AP is 149, so which of the following frequency bands should the Leaf AP use?
- A . 149
- B . 153
- C . 157
- D . All except 149
What is the range of working frequency stipulated in 2.4 GHz band?
- A . 2.4GHz-2.4835GHz
- B . 2.471GHz-2.497GHz
- C . 2.4465GHz-2.4835GHz
- D . 2.445GHz-2.475GHz
802.11b supports () channels in the United States, of which () channels do not overlap.
- A . 14, 3
- B . 11, 3
- C . 11, 6
- D . 14, 6
Huawei’s box-type wireless controller AC6605 supports 24 PoE interfaces, and can directly supply power to APs connected to ACs in WLAN networking.
- A . True
- B . False
Spread-spectrum (spread-spectrum) technology is the basis for transmitting wireless data using the ISM frequency band.
- A . True
- B . False
The basic service set is the basic component of the 802.11 network, which is composed of a group of workstations communicating with each other.
- A . True
- B . False
What is the name of the first radio communication network based on packet technology?
- A . INTERNET
- B . ARPANet
- C . ALOHNET
- D . NSFnet