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Latest Huawei H12-311 Exam Questions and Answers, 2025 Update | SPOTO

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Question #1
IEEE It is the standards organization responsible for the use of wireless frequencies in the United States.
A. True
B. False
View answer
Correct Answer: B
Question #2
In order to facilitate management and maintenance, AP The power supply mode is generally preferred to select () for power supply.
A. Independent power adapter
B. POE switchcorrect
C. POE adapter
D. AC power supply
View answer
Correct Answer: B
Question #3
IEEE is the standard organization responsible for the use of wireless frequencies in the United States.
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #4
In the following command (), you can view the current version information.
A. display interface
B. display current-configuration
C. display ap all
D. display version
View answer
Correct Answer: D
Question #5
Which of the following descriptions of power splitters and couplers are correct is ().
A. Power divider and coupler are equal power distribution
B. The power divider is equal power distribution, and the coupler is unequal power distribution
C. The power divider is unequal power distribution, and the coupler is equal power distribution
D. Power divider and coupler are unequal power distribution
View answer
Correct Answer: B
Question #6
Which of the following WLAN signals pass through (Select 2 Answers).
A. Gypsum board
B. Glass window (colorless)
C. Concrete wall
D. Brick wall
View answer
Correct Answer: AB
Question #7
Which of the following agreements are IEEE customized 802.11 standard() ? (Select 3 Answers)
A. 802
B. 802
C. 802
D. 802
View answer
Correct Answer: ABD
Question #8
Which of the following statements about antenna classification is correct ()? (Select 2 Answers)
A. Classified by directivity: omnidirectional antenna, directional antenna, etc
B. Classified by shape: linear antenna, planar antenna, etc
C. Classified by purpose: short wave antenna, ultra short wave antenna, microwave antenna, etc
D. Classified by working frequency band: communication antenna, TV antenna, radar antenna, etc
View answer
Correct Answer: AB
Question #9
The Barker code is an 11-bit sequence (for example, 10110111000), which has advantages in wireless transmission, which can effectively reduce interference, but reduces efficiency.
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #10
When a data frame is sent and acknowledged, what is the time interval to wait before the next data frame is sent ()?
A. SIFS
B. IFS
C. DIFScorrect
D. PIFS
View answer
Correct Answer: C
Question #11
How much bandwidth is each 802.11g frequency band channel?
A. 25 MHz
B. 20 MHzcorrect
C. 50 MHz
D. 22 MHz
View answer
Correct Answer: B
Question #12
Which of the following standards organizations is implementing WLAN technology interoperability for WLAN device authentication?
A. WiFi Alliance
B. IEEE
C. IETF
D. FCC
View answer
Correct Answer: A
Question #13
Which of the following standards organizations implements WLAN technical interoperability for WLAN equipment certification ()?
A. WiFi
B. IEEE
C. IETF
D. FCC
View answer
Correct Answer: A
Question #14
Which of the following option is a prerequisite for starting load balancing function based on AP?
A. AP belongs to the same type
B. AP is under the management of same AC, and signal has overlap between APcorrect
C. STA can scan AP which can process load balancing each other
D. The output power of the AP is consistent
View answer
Correct Answer: B
Question #15
What are the general methods to solve co-channel interference (). (Select 3 Answers)
A. adjust AP Transmit power, adjust antenna feedercorrect
B. Reasonable frequency reuse to ensure that the same channel does not appear in the same or adjacent coverage areascorrect
C. Use omnidirectional antennas for coverage
D. Use obstacles for natural isolationcorrect
View answer
Correct Answer: ABD
Question #16
If the AP work is in infrastructure mode, then currently, AP working condition is full-duplex mode.
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #17
If the AP works in infrastructure mode, the AP's working state is full-duplex mode.
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #18
For outdoor long-distance point-to-point backhaul, the antenna of () should be selected.
A. High gain, small lobe width
B. High gain, large lobe width
C. Omnidirectional
D. Low gain, large lobe width
View answer
Correct Answer: A
Question #19
How many management nodes can be supported by eSight standard edition?
A. 60
B. 2000
C. 5000correct
D. 20000
View answer
Correct Answer: C
Question #20
Which of the following Huawei APs supports SFP fiber interfaces?
A. AP6010DN
B. AP6310SN
C. AP6610DN
D. AP6510DN
View answer
Correct Answer: A
Question #21
Which of the following are related parameters of the Traffic template (Select 2 Answers).
A. ACK strategy
B. CAC Policy
C. Tunnel priority mapping strategy
D. 802
View answer
Correct Answer: CD
Question #22
Which configuration methods does the wireless controller support ()? (Select 3 Answers)
A. telnet Configuration
B. console Port configuration
C. pass through eSight Configuration
D. LLDP Configuration
View answer
Correct Answer: ABC
Question #23
In huawei eSight The maximum number of layers supported by the location topology in the network management system is layer ().
A. 7
B. 8
C. 9
D. 10
View answer
Correct Answer: D
Question #24
WLAN What are the working frequency bands ()? (Select 2 Answers)
A. 2 GHzcorrect
B. 5 GHzcorrect
C. 5
D. 2
View answer
Correct Answer: ABD
Question #25
What are the following WLAN standards for transmission rates up to 54 Mbps and above (Select 3 Answers)?
A. 802
B. 802
C. 802
D. 802
View answer
Correct Answer: ACD
Question #26
Which of the following commands can be viewed AC Current configuration()?
A. display interface
B. display current-configuration
C. display ap all
D. display version
View answer
Correct Answer: B
Question #27
Which of the following options are 802.11b/g What are the differences between the agreements? (Select 3 Answers)
A. The two protocols use different technologies
B. Working frequency is different
C. Different supported data rates
D. Different throughput
View answer
Correct Answer: ACD
Question #28
Spread-spectrum technology is the basis for transmitting wireless data using the ISM band.
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #29
for dBm,dB,dBi, The following description is correct (). (Select 3 Answers)
A. dBm: Absolute value of characterizing powercorrect
B. dBi and dBd: Characterize the relative value of gaincorrect
C. dB The relative value of characterizing powercorrect
D. If the antenna of A is 12dBi, The second antenna is 14dBi, It can be said that A is smaller than B 2dBi
View answer
Correct Answer: ABC
Question #30
Mesh networking is defined in which of the following 802.11 protocol standard?
A. 802
B. 802
C. 802
D. 802
View answer
Correct Answer: D

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