[2023年07月12日] 365日無料更新H12-311_V3.0知能問題集をゲット
ベスト品質のHuawei H12-311_V3.0試験問題
質問 # 26
WLAN The signal passes through which of the following materials with less penetration loss (). (Select 2 Answers)
- A. Brick wall
- B. Gypsum board
- C. Glass window (colorless)
- D. Concrete wall
正解：B、C
質問 # 27
AP If you want to pass DNS Server fetch AC of IP Address, first get your own IP address,DHCP Server and DNS of IP address.
- A. False
- B. True
正解：B
質問 # 28
CAPWAP The port number of the control message of the tunnel protocol is ().
- A. 0
- B. 1
- C. 2
- D. 3
正解：C
質問 # 29
Among the following encryption methods, the most secure is ()
- A. TKIP encryption
- B. CCMP encryption
- C. WEP encryption
- D. Plaintext encryption
正解：B
質問 # 30
Indoor installation AP The power is generally () mW .
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
質問 # 31
CAPWAP Tunnel encapsulation AC The port number of the side data packet is5246 , The control message port number is5247 .
- A. False
- B. True
正解：A
質問 # 32
WDS Technology improves the flexibility and convenience of the entire network structure, but it can only support point-to-point working mode.
- A. False
- B. True
正解：A
質問 # 33
Antennas are classified according to directivity and can be divided into () antennas and () antennas.
(Select 2 Answers)
- A. Orientation
- B. Omnidirectional
- C. paraboloid
- D. Plate
正解：A、B
質問 # 34
Huawei Wireless Controller AC6605 The upgrade operation can only be performed on the wired side of the controller.
- A. False
- B. True
正解：B
質問 # 35
exist WLAN middle ACK What type of frame() does the frame belong to?
- A. Data Frame
- B. Control frame
- C. Empty data frame
- D. Management frame
正解：B
質問 # 36
Among the following options, () is a prerequisite for enabling Huawei's load balancing function.
- A. AP The output power settings are the same
- B. AP Belong to the same type
- C. STA Can scan to each other for load balancing AP
- D. AP In the same AC Under management, and AP Signal overlap
正解：D
質問 # 37
Defined WLAN Medium service quality 802.11 The agreement is ().
- A. 802.11f
- B. 802.11e
- C. 802.11i
- D. 802.11n
正解：B
質問 # 38
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
- A. False
- B. True
正解：A
質問 # 39
Among the following options, which factors will cause users to be unable to search for wireless network signals ()? (Select 2 Answers)
- A. AP Configured 5G Priority, leading to 2.4G Wireless client cannot find the signal
- B. The user's wireless network card driver is abnormal
- C. The wireless controller is equipped with user isolation function
- D. The user's wireless network card is not enabled or the hardware switch of the wireless network card is not turned on
正解：B、D
質問 # 40
What was the name of the first radio communication network based on packet technology ()?
- A. ALOHNET
- B. INTERNET
- C. NSFnet
- D. ARPANet
正解：A
質問 # 41
802.11n MAC Which of the following are included in the layer improvement technology ()? (Select 2 Answers)
- A. Frame aggregation technology
- B. MIMO Technology
- C. Block confirmation technology
- D. Beamforming technology
正解：A、C
質問 # 42
802.11a 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 # 43
Configuration AP Authentication mode, AP What are the supported authentication methods ()? (Select 3 Answers)
- A. mac-auth
- B. sn-auth
- C. no-auth
- D. mac-sn-auth
正解：A、B、C
質問 # 44
In order to facilitate management and maintenance, AP The power supply mode is generally preferred to select () for power supply.
- A. POE adapter
- B. AC power supply
- C. POE switch
- D. Independent power adapter
正解：C
質問 # 45
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. False
- B. True
正解：A
質問 # 46
Huawei AP The product can only support one configuration SSID .
- A. False
- B. True
正解：A
質問 # 47
Which of the following options belong EDCA Parameters? (Select 2 Answers)
- A. DIFS
- B. SIFS
- C. TXOPLimit
- D. AIFSN
正解：C、D
質問 # 48
Which of the following options are 802.11b/g What are the differences between the agreements? (Select 3 Answers)
- A. Working frequency is different
- B. The two protocols use different technologies
- C. Different supported data rates
- D. Different throughput
正解：B、C、D
質問 # 49
if AP Work in infrastructure mode, then AP The working state at this time is full-duplex mode.
- A. False
- B. True
正解：A
質問 # 50
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Huawei H12-311_V3.0（HCIA-WLAN V3.0）認定試験は、華為技術有限公司が提供するプロの認定試験です。この試験は、ワイヤレスネットワーク分野でスキルと知識を開発したいITプロフェッショナルを対象に設計されています。この認定試験は、ワイヤレスネットワークの計画、設計、展開、最適化、およびトラブルシューティングに関するプロフェッショナルのスキルと知識を検証します。
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