Huawei H12-311_V3.0-ENU HCIA-WLAN V3.0 Online Training
Huawei H12-311_V3.0-ENU Online Training
The questions for H12-311_V3.0-ENU were last updated at Nov 23,2024.
- Exam Code: H12-311_V3.0-ENU
- Exam Name: HCIA-WLAN V3.0
- Certification Provider: Huawei
- Latest update: Nov 23,2024
In the 802.11 frame, what is the interframe interval between RTS and CTS?
- A . SIFS
- B . IFS
- C . DIFS
- D . PIFS
When a data frame is sent and confirmed, what is the time interval before the next data frame is sent?
- A . SIFS
- B . IFS
- C . DIFS
- D . PIFS
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
MIMO (Multiple input and multiple output), that is, multiple input and multiple output, wireless access points and clients using 802.11n technology can use up to three spatial streams to transmit data at the same time, and the theoretical rate can reach up to 600Mbps.
- A . True
- B . False
What are the rates supported by 802.11a?
- A . 6, 12, 24, 54 Mbps
- B . 6, 9, 12, 18, 24, 36, 48, 54 Mbps
- C . 6, 12, 18, 24, 36, 48, 54 Mbps
- D . 6, 9, 12, 18, 24, 30, 36, 48, 54 Mbps
What are the rates supported by 802.11g?
- A . 1, 2, 5.5, 11&6, 9, 12, 18, 24, 30, 36, 48, 54 Mbps
- B . 6, 9, 12, 18, 24, 36, 48, 54 Mbps
- C . 1, 2, 5.5, 11&6, 9, 12, 18, 24, 36, 48, 54 Mbps
- D . 6, 9, 12, 18, 24, 30, 36, 48, 54 Mbps
How many subcarriers can be used to transmit data in 802.11n 20M mode?
- A . 48
- B . 52
- C . 54
- D . 56
How many subcarriers can be used to transmit data in 802.11a in 20M mode?
- A . 48
- B . 52
- C . 54
- D . 56
If an 802.11n AP supports 2*2 MIMO technology, what is the theoretical rate of this AP?
- A . 150 Mbps
- B . 300 Mbps
- C . 450 Mbps
- D . 600 Mbps
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
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