検証済みのH12-311_V3.0試験問題集PDF [2023年最新] 成功の秘訣はここにある
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HCIA-WLAN V3.0認証は業界で高く評価され、多くの組織に認められています。これは、ワイヤレスLAN技術の専門家のスキルと知識を証明するものです。認定プロフェッショナルは雇用主から非常に求められており、認定はより良い仕事の機会や高い給与をもたらすことがあります。
Huawei H12-311_V3.0（HCIA-WLAN V3.0）試験は、中小規模のWLANネットワークの計画、設計、運用、トラブルシューティングに必要なスキルと知識を検証する業界で認識された認定です。この認定は、ネットワーク管理者、エンジニア、技術者を含むWLANネットワークの展開とメンテナンスに関与するIT専門家向けに設計されています。この試験では、WLANテクノロジー、WLAN計画と設計、WLAN展開、WLANメンテナンスとトラブルシューティング、およびWLANセキュリティの基礎を理解する候補者の能力をテストします。
質問 # 49
exist 802.11 In the frame, which type of message is used by the terminal to receive data packets in the power-saving mode?
- A. PS-Poll
- B. RTS
- C. ACK
- D. CTS
正解：D
質問 # 50
AP What factors are related to the coverage (). (Select 3 Answers)
- A. Antenna gain
- B. Transmission loss
- C. AP Transmit power
- D. AP Size
正解：A、B、C
質問 # 51
In a large wireless network deployment scenario, AC When configured to "Layer 3 networking + bypass mode + direct forwarding", the gateway of the wireless user should. Where is it located ()?
- A. Convergence layer three switches
- B. AC superior
- C. One-arm router
- D. AP superior
正解：A
質問 # 52
CAPWAP What are the main contents of the agreement ()? (Select 3 Answers)
- A. Defined Mac Layer and physical layer transmission rate
- B. STA Data encapsulation CAPWAP Tunnel forwarding
- C. AC right AP Perform management and business configuration delivery
- D. AP right AC Automatic discovery and AP&AC State machine operation and maintenance
正解：B、C、D
質問 # 53
for dBm ,dB,dBi, The following description is correct ().
(Select 3 Answers)
- A. dBm : Absolute value of characterizing power
- B. dB : The relative value of characterizing power
- C. If the antenna of A is 12dBi , The second antenna is 14dBi , It can be said that A is smaller than B 2dBi
- D. dBi and dBd : Characterize the relative value of gain
正解：A、B、D
質問 # 54
when AC Only one interface is connected to the aggregation layer switch, and the user traffic is directly out of the public network through the aggregation layer switch, and the networking mode that does not flow through should be (). AC At this time
- A. Direct connection mode + tunnel forwarding
- B. Bypass mode + direct forwarding
- C. Bypass mode + tunnel forwarding
- D. Direct connection mode + direct forwarding
正解：B
質問 # 55
CCMP The algorithm used for encryption is ().
- A. Michael
- B. SMS4
- C. RC4
- D. AES
正解：D
質問 # 56
20dBm Equivalent to () mW .
- A. 0
- B. 1
- C. 2
- D. 3
正解：A
質問 # 57
Metal objects have a greater attenuation effect on wireless signals, AP Or the antenna should not be placed behind a metal ceiling, etc.
- A. True
- B. False
正解：A
質問 # 58
2.4 GHz What is the distance between the center frequencies of the channels in the frequency band ()?
- A. 10 MHz
- B. 22 MHz
- C. 5 MHz
- D. 20 MHz
正解：C
質問 # 59
The following transmission rate can reach 54Mbps What are the wireless LAN standards and above ()? (Select 3 Answers)
- A. 802.11a
- B. 802.11n
- C. 802.11b
- D. 802.11g
正解：A、B、D
質問 # 60
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 # 61
Which of the following wireless frames are control frames ()? (Select 3 Answers)
- A. Beacon
- B. RTS
- C. PS-Poll
- D. CTS
正解：A、C、D
質問 # 62
For outdoor WLAN Cover, the following statement is correct ().
(Select 3 Answers)
- A. The feeder interface must match the selected antenna
- B. Outdoor antennas should not blindly pursue high gain
- C. The length of the feeder must not exceed 2 rice
- D. The higher the antenna gain, the stronger the antenna directivity, and the weaker the radiation gain directly below the antenna
正解：A、B、D
質問 # 63
802.11n MAC Which of the following are included in the layer improvement technology ()? (Select 2 Answers)
- A. Block confirmation technology
- B. Frame aggregation technology
- C. MIMO Technology
- D. Beamforming technology
正解：A、B
質問 # 64
Below does not belong AP The binding template is ().
- A. AP template
- B. Planning table template
- C. RF template
- D. ESS template
正解：B
質問 # 65
802.11 The parameter used in the frame to check the integrity of the received frame is ()
- A. Duration
- B. FCS
- C. Sequence control bit
- D. Frame Control
正解：B
質問 # 66
How to set the condition of switching trigger (). (Select 2 Answers)
- A. when STA Yohara AP Start switching after reaching a certain distance
- B. Yohara AP Start the switch when the network speed is very slow during association
- C. Set current AP With neighbors AP Signal strength ratio, switch when reaching the threshold
- D. Check the packet loss rate and start the handover when the packet loss rate reaches a certain value
正解：C、D
質問 # 67
Terminal is different VLAN The roaming within belongs to ().
- A. Four-tier roaming
- B. Two-tier roaming
- C. Seamless AP roaming
- D. Three-tier roaming
正解：D
質問 # 68
BSS Which two basic service sets are included ()? (Select 2 Answers)
- A. Basic Service Set of Infrastructure Mode
- B. Extend the basic service set
- C. Extend the basic service set of structural mode
- D. Independent basic service set
正解：A、D
質問 # 69
Which of the following standards are WiFi Developed by the alliance ()? (Select 2 Answers)
- A. WPA
- B. 802.11i
- C. WPA2
- D. 802.11a/b/g/n
正解：A、C
質問 # 70
802.11n Standard uses dual band (2.4GHz and 5GHz ), the theoretical transmission rate can reach up to 300Mbps, The actual test rate can reach arrive 100Mbps above.
- A. True
- B. False
正解：B
質問 # 71
Not loaded license Time AC6605 Supported by default AP The number is ().
- A. 0
- B. 1
- C. 2
- D. 3
正解：A
質問 # 72
Among the following options, which factors will cause users to be unable to search for wireless network signals ()? (Select 2 Answers)
- A. The user's wireless network card driver is abnormal
- B. The user's wireless network card is not enabled or the hardware switch of the wireless network card is not turned on
- C. AP Configured 5G Priority, leading to 2.4G Wireless client cannot find the signal
- D. The wireless controller is equipped with user isolation function
正解：A、B
質問 # 73
Which of the following functions does the Huawei WLAN planning tool have ()?
(Select 3 Answers)
- A. Support automatic identification of obstacles
- B. Support the division of general coverage areas and key coverage areas
- C. Support exporting standardized WLAN planning reports
- D. Support automatic deployment of AP locations
正解：B、C、D
質問 # 74
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Huawei H12-311_V3.0試験はオンラインで実施され、60の複数選択の質問で構成されています。候補者には、試験を完了するために90分が与えられます。この試験の合格スコアは1000人のうち600人です。試験に合格した候補者は、Huawei Hcia-Wlan V3.0認定を受け取ります。
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