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Huawei H12-311 exam practice questions
Huawei H12-311 practice questions answers at the end of the text
What type of frame does the ACK frame belong to in the WLAN?
A. Management frame
B. Control frame
C. Data frame
D. Empty data frame
In an 802.11 frame, the terminal needs to obtain access rights to the wireless medium, and what kind of control
message is to be sent?
There are many video conferences in large companies, and QoS generally adopts the service model.
A. Best Effort model
B. IntServ model
C. FIFO model
D. DiffServ model
What is the coverage of the AP (Select 3 Answers).
A. AP transmit power
B. Antenna gain
C. AP size
D. Transmission loss
The 802.11n standard uses dual-band (2.4 GHz and 5 GHz), the theoretical transmission rate can reach up to 300
Mbps, and the actual test rate can reach more than 100 Mbps.
The cable used in the project cannot theoretically exceed the meter.
For the CAPWAP protocol, the following description is wrong.
A. Transmission protocol between AC and thin AP
B. Transmission protocol between thin AP and wireless client
C. Developed by the CAPWAP Working Group The development of the
D. CAPWAP protocol draws on the useful features of other protocols.
Which modulation method does the following picture belong to?
A. amplitude modulation
B. frequency modulation
C. phase modulation
IEEE is the standard organization responsible for the use of wireless frequencies in the United States.
What is the function of the AC in the wireless network (Select 3 Answers)?
A. Centralized management AP
B. Implement roaming function
C. Send beacon frame
D. Wireless intrusion detection
Which of the following options are EDCA parameters (Select 2 Answers)?
In 1999, the IEEE 802.11a standard was developed. The standard specifies that the WLAN operating frequency band is
5.15 to 5.825 GHz, and the data transmission rate reaches 11 Mbps.
Which type of message is used in the 802.11 frame for the terminal to receive data packets in the power saving mode?
Publish the answer
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Huawei HCIA-WLAN V3.0 Exam code “H12-311”