2023年最新のの検証済みH12-311_V3.0問題と解答で合格保証 もしくは全額返金
[2023年10月]更新のH12-311_V3.0認証と実際の解答はここにあるFast2test
HCIA-WLAN V3.0認定は、無線LAN技術に関連する幅広いトピックをカバーする包括的な認定です。WLANの基礎、WLANの展開および管理、WLANのトラブルシューティング、WLANのセキュリティなどのトピックが含まれます。認定プログラムは、プロフェッショナルが無線LANネットワークを計画、設計、展開、および管理するために必要なスキルと知識を身につけることを目的としています。
質問 # 153
AP Transmit power 20dBm , Antenna gain 4dBi , Cable and device loss 1dB , Terminal receiving antenna gain 2dBi , Space propagation loss 80dB , Terminal receiving level RSSI= ().
- A. 0
- B. 1
- C. 2
- D. 3
正解：C
質問 # 154
Among the following encryption methods, the most secure is ()
- A. Plaintext encryption
- B. WEP encryption
- C. TKIP encryption
- D. CCMP encryption
正解：D
質問 # 155
If a AP Has been added offline, then AP You can go online directly.
- A. True
- B. False
正解：A
質問 # 156
802.11a What kind of technology is used to implement the agreement?
- A. MIMO
- B. OFDM
- C. FHSS
- D. DSSS
正解：B
質問 # 157
User number 300 People, concurrency rate 70% , Terminal support 2.4GHz and 5GHz Frequency band, in accordance with each AP Maximum number of dual-band access users40 people Consider, need at least () AP Able to meet capacity requirements?
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
質問 # 158
exist 802.1X In the agreement, you must have () to be able to complete the authentication and authorization of the user. (Select 3 Answers)
- A. Authenticator
- B. Client
- C. eSight server
- D. Authentication server
正解：A、B、D
質問 # 159
Which configuration methods does the wireless controller support ()?
(Select 3 Answers)
- A. console Port configuration
- B. LLDP Configuration
- C. telnet Configuration
- D. pass through eSight Configuration
正解：A、C、D
質問 # 160
Huawei Wireless AP What are the two upgrade modes download ()? (Select 2 Answers)
- A. AP Bring your own
- B. AC download
- C. BAS
- D. FTP Server download
正解：B、D
質問 # 161
Which of the following options is correct ()? (Select 3 Answers)
- A. Users can be in different SSID Roaming is realized below.
- B. BSSID Is actually AP of MAC Address, used to identify AP Managed BSS , In the same AP Inside BSSID and SSID One-to-one mapping.
- C. in a ESS Inside SSID Is the same, but for ESS Within each AP Corresponding BSSID Are not the same. If oneAP Can support multiple at the same time SSID , Then AP Will assign different BSSID To correspond to these SSID .
- D. SSID Technology can divide a wireless local area network into several sub-networks that require different authentication. Each sub-network requires independent authentication. Only users who pass the authentication can enter the corresponding sub-network to prevent unauthorized users from entering This network.
正解：B、C、D
質問 # 162
What series of Huawei switches () is the Huawei plug-in controller ACU board suitable for?
(Select 3 Answers)
- A. S5700 series switches
- B. S9700 series switches
- C. S7700 series switches
- D. S9300 series switches
正解：B、C、D
質問 # 163
According to the different signal parameters controlled, what modulation methods can be divided into ()? (Select 3 Answers)
- A. Wave modulation
- B. AM
- C. FM
- D. phase modulation
正解：B、C、D
質問 # 164
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.
正解：A、B
質問 # 165
802.11 Frame, when the network uses WDS When the model is signaled, To DS and From DS What are the values of ()?
- A. 0,1
- B. 1,1
- C. 1,0
- D. 0,0
正解：D
質問 # 166
exist WDS In the deployment, what kinds of bridge networking modes are included ()? (Select 3 Answers)
- A. Point-to-point method
- B. Relay bridging method
- C. Point-to-multipoint
- D. Multipoint to multipoint
正解：A、B、C
質問 # 167
CAPWAP The port number of the control message of the tunnel protocol is ().
- A. 0
- B. 1
- C. 2
- D. 3
正解：D
質問 # 168
Among the following options, () is the reason for using 5G priority access.
- A. The transmission rate of the 5G frequency band is higher than that of the 2.4G frequency band
- B. 5G frequency band can provide better access capability and capacity
- C. It is easier to make network planning in the 5G frequency band
- D. The connection speed between users and APs in the 5G frequency band is very fast
正解：B
質問 # 169
CAPWAP Tunnel encapsulation AC The port number of the side data packet is5246 , The control message port number is5247 .
- A. True
- B. False
正解：B
質問 # 170
Which of the following protocols support 2.4GHz Frequency band()? (Select 3 Answers)
- A. 802.11a
- B. 802.11g
- C. 802.11b
- D. 802.11n
正解：B、C、D
質問 # 171
Huawei eSight Network management wizard-style configuration WLAN Business needs to be added in the network management first AC equipment.
- A. True
- B. False
正解：A
質問 # 172
IEEE 802.11 The standard used to define roaming is ().
- A. IEEE 802.11r
- B. IEEE 802.11j
- C. IEEE 802.11c
- D. IEEE 802.11h
正解：A
質問 # 173
Wireless network engineer WLAN When planning the network, use RF The purpose of simul-ation is (). (Select 3 Answers)
- A. Analog signal coverage effect, find blind spots
- B. Get the current signal-to-noise ratio of different locations
- C. Get available bandwidth in different locations
- D. Obtain the field strength distribution of different locations
正解：A、B、D
質問 # 174
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 # 175
WLAN AP It can be powered by ().
(Select 3 Answers)
- A. POE switcher
- B. POE switch
- C. RF cable
- D. Independent power adapter
正解：A、B、D
質問 # 176
STA issued 802.11 Message to pass AP When entering the Ethernet, it is converted to 802.3 Packets that are not in the priority mapping method are ().
- A. According to different VAP Set different priorities
- B. according to UP Map to priority
- C. Arrive according to the message AP Precedence
- D. No priority mapping
正解：C
質問 # 177
For Huawei AC To create a user, first use aaa Command to enter the view.
- A. True
- B. False
正解：A
質問 # 178
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