Free H12-311_V3.0 Practice Test Questions and Answers (2026) | Cert Empire Practice Questions

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HUAWEI H12 311 V3.0

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Q: 1
Which of the following standards are WiFi Developed by the alliance ()? (Select 2 Answers)
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Q: 2
Which of the following 802.11 control frames is sent by a STA to acquire the right to the wireless medium?
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Q: 3
What series of Huawei switches () is the Huawei plug-in controller ACU board suitable for? (Select 3 Answers)
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Q: 4
thin AP In the networking, which of the following authentication methods is not required in the authentication process AC participate().
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Q: 5
Which of the following protocols can support at the same time 2.4GHz Frequency band and 5GHz Frequency band()?
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Q: 6
802.11b Which channels in the protocol do not overlap each other()? (Select 3 Answers)
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Q: 7
Same user VLAN And the same SSID All wireless users can access the Internet, but they can’t access each other. What may be the cause of this phenomenon ()?
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Q: 8
Which of the following options is 802.11g The maximum rate supported by the protocol ()?
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Q: 9
AC Perform the load balancing process according to () information.
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Q: 10
For one adopts WPA2 PSK Certified and SSID For broadcast wireless networks, users can double-click the username and password to access the network. SSID And enter the correct use
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Q: 11
The two commonly used units to describe antenna gain are dBi and dBd , The conversion relationship between them is: dBi=dBd+2.14 .
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Q: 12
display ap all Command can be viewed AP of MAC ,Type And running status.
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Q: 13
Huawei eSight Network management wizard-style configuration WLAN Business needs to be added in the network management first AC equipment.
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Q: 14
create radio-profile Must be bound wmm-profile Only possible, otherwise there will be configuration errors.
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Q: 15
The distance between the center frequencies of the two channels is less than or equal to In order to avoid adjacent channel interference during domain channel planning, the same channel is not allowed to be used. 25MHz When there is an overlapping area between the channels, there will be some interference, so in the adjacent area
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Q: 16
Spread spectrum ( spread-spectrum ) Technology is to use ISM The basis of frequency band transmission of wireless data.
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Q: 17
Metal objects have a greater attenuation effect on wireless signals, AP Or the antenna should not be placed behind a metal ceiling, etc.
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Q: 18
A company wants to deploy WLAN, the company has purchased a batch of wireless APs that support 802.11n, when WLAN is deployed, only support Only 802.11n wireless clients can connect to the company's WLAN
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Q: 19

DRAG DROP Drag WLAN concepts on the left to their corresponding descriptions on the right. HUAWEI H12 311 V3 question

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Q: 20

DRAG DROP Drag the networking modes on the left to their corresponding characteristics on the right. HUAWEI H12 311 V3 question

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