更新された2023年04月合格させるH12-311_V3.0試験リアル練習テスト問題
無料ダウンロードHuawei H12-311_V3.0リアル試験問題
Huawei H12-311_V3.0試験はWLAN業界で人気のある認定です。多くのITプロフェッショナルがこの試験を受けて、WLAN技術のスキルと知識を向上させています。認定は、候補者がWLAN分野でキャリアを進め、新しい求人の機会を開拓し、収益性を高めるのに役立つことがあります。HCIA-WLAN V3.0認定を取得することで、個人が堅牢なWLANネットワークを管理および維持するために必要な専門知識を持っていることを雇用主に示すことができます。
質問 # 174
802.11 In the frame, STA Which type of frame () does the association request and authentication request belong to?
- A. Data Frame
- B. Management frame
- C. Data frame, control frame, management frame have this function
- D. Control frame
正解：B
質問 # 175
802.11a What kind of technology is used to implement the agreement?
- A. MIMO
- B. FHSS
- C. OFDM
- D. DSSS
正解：C
質問 # 176
and 802.11a/b/g The standards are different, 802.11n Protocol is dual-frequency working mode (support 2.4GHz and 5GHz Two working frequency bands).
- A. False
- B. True
正解：B
質問 # 177
WIDS Attack detection contains ().
(Select 3 Answers)
- A. Microwave interference detection
- B. Weak IV Attack detection
- C. Flood Attack detection
- D. Spoof Attack detection
正解：B、C、D
質問 # 178
What are the prerequisites for users to achieve three-tier roaming ()?
(Select 3 Answers)
- A. The two APs for user roaming switching must have the same VLAN
- B. User roaming requires two AP signals to cover overlapping areas
- C. The SSID released by the two APs of the user roaming handover must have the same authentication method
- D. The two APs that the user roams over must have the same SSID
正解：B、C、D
質問 # 179
Capacity planning mainly starts from the aspects of equipment performance, number of users, bandwidth requirements, and wireless environment, and estimates the amount required to meet the business volume. AP number quantity.
- A. False
- B. True
正解：B
質問 # 180
Huawei Box Wireless Controller AC6605 support twenty four Piece PoE Interface in WLAN Can be directly connected when networking AC of AP Make a supply Electricity.
- A. True
- B. False
正解：B
質問 # 181
The two commonly used units to describe antenna gain are dBi and dBd , The conversion relationship between them is: dBi=dBd+2.14 .
- A. False
- B. True
正解：B
質問 # 182
Is the following statement about the introduction of frequency planning correct ()?
(Select 2 Answers)
- A. 2.4GHz generally uses 1, 6, 11 three non-overlapping channels for coverage
- B. In China, 5GHz generally has 23 non-overlapping channels available
- C. Microwave interference will occur in the entire 2.4GHz frequency band
- D. If the AP is dual-band, it is recommended to use the 5G priority function
正解：A、D
質問 # 183
Which of the following technologies work at 5 GHz ()? (Select 2 Answers)
- A. Digital satellite
- B. Infrared
- C. radar
- D. Bluetooth
正解：A、C
質問 # 184
Which of the following standards are WiFi Developed by the alliance ()? (Select 2 Answers)
- A. 802.11i
- B. WPA2
- C. WPA
- D. 802.11a/b/g/n
正解：B、C
質問 # 185
exist WLAN middle ACK What type of frame() does the frame belong to?
- A. Control frame
- B. Management frame
- C. Data Frame
- D. Empty data frame
正解：A
質問 # 186
Among the following priority queues, the () queue has the highest default priority.
- A. AC-BK
- B. AC-BE
- C. AC-VO
- D. AC-VI
正解：C
質問 # 187
The following about SSID The statement is wrong ().
- A. One AP Can release the same SSID Signal
- B. One AP Configurable SSID There is no limit to the number
- C. Multiple AP Can release the same one on SSID
- D. One AP Can release multiple different SSID
正解：B
質問 # 188
802.11n exist 20M How many sub-carriers can be used to transmit data in the mode ()?
- A. 0
- B. 1
- C. 2
- D. 3
正解：A
質問 # 189
AP What factors are related to the coverage (). (Select 3 Answers)
- A. Transmission loss
- B. Antenna gain
- C. AP Transmit power
- D. AP Size
正解：A、B、C
質問 # 190
thin AP In the networking, which of the following authentication methods is not required in the authentication process AC participate().
- A. PSK Certification
- B. Shared key authentication
- C. Portal Certification
- D. 802.1X Certification
正解：B
質問 # 191
When coverage area 2.4GHz Frequency band 1 When channel interference is large and severe, adjust the device to 3 Channel, can effectively reduce interference.
- A. True
- B. False
正解：B
質問 # 192
2.4 GHz How many channels () can the frequency band be divided into at most?
- A. 0
- B. 1
- C. 2
- D. 3
正解：A
質問 # 193
The MEth0/0/1 interface of AC6605 is used for in-band network management. The default address is: 192.168.1.1/24, and it cannot be modified.
- A. True
- B. False
正解：B
質問 # 194
802.11 Frame, when the network uses WDS When the model is signaled, To DS and From DS What are the values of ()?
- A. 1,1
- B. 1,0
- C. 0,0
- D. 0,1
正解：C
質問 # 195
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