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 Dec 25,2024.
- Exam Code: H12-311_V3.0-ENU
- Exam Name: HCIA-WLAN V3.0
- Certification Provider: Huawei
- Latest update: Dec 25,2024
In 1999, the IEEE 802.11a standard was formulated, which stipulated that the working frequency band of wireless local area network was 5.15-5.825GHz, and the data transmission rate reached 11Mbps.
- A . True
- B . False
Unlike the 802.11a/b/g standard, the 802.11n protocol is a dual-frequency working mode (supporting two working frequency bands of 2.4GHz and 5GHz).
- A . True
- B . False
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
What is the maximum rate supported by the original 802.11 protocol in Mbps?
- A . 1
- B . 2
- C . 5.5
- D . 11
What is the working frequency band used by the original 802.11 protocol?
- A . 2.4 GHz
- B . 900MHz
- C . 2.0 GHz
- D . 5 GHz
Which of the following options is the maximum rate supported by the 802.11g protocol?
- A . 11Mbps
- B . 22Mbps
- C . 54Mbps
- D . 108Mbps
Which technology is used to implement the 802.11a protocol?
- A . FHSS
- B . DSSS
- C . OFDM
- D . MIMO
What type of frame () does the ACK frame belong to in WLAN?
- A . Management frame
- B . Control frame
- C . Data frame
- D . Empty data frame
What is the parameter used to check the integrity of the received frame in the 802.11 frame?
- A . Frame Control
- B . Duration
- C . FCS
- D . Sequence Control Bits
What parameters are used in 802.11 frames to reassemble frame segments?
- A . Frame Control
- B . Duration
- C . Address bit
- D . Fragment number
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