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Huawei H12-311 Exam Syllabus Topics:
| Topic | Details |
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| Topic 1 |
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| Topic 2 |
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| Topic 3 |
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NEW QUESTION 36
The port of the CAPWAP protocol control channel is UDP5247, and the port of the data channel is UDP5246.
- A. False
- B. True
Answer: A
NEW QUESTION 37
What are the modulation methods (Select 3 Answers) depending on the signal parameters being controlled?
- A. modulation
- B. amplitude modulation
- C. phase modulation
- D. frequency modulation
Answer: B,C,D
NEW QUESTION 38
Each AC device needs to specify the source IP address of the AC to establish a CAPWAP tunnel with the AP. One AC can specify up to two WLAN source IP addresses.
- A. False
- B. True
Answer: A
NEW QUESTION 39
The following statement about the region is correct (Select 3 Answers)?
- A. An AP can belong to two regions at the same time, so that roaming is more optimized.
- B. APs belonging to the same region will uniformly adjust the RF channel and power.
- C. AP region is laid in three types: dense placement, discrete deployment, and normal deployment.
- D. If you do not configure, all APs belong to region 0 by default.
Answer: B,C,D
NEW QUESTION 40
Engineer A deployed a large number of AP during the project implementation process. It was found that there were only 16 AP on AP, and it was not fixed 16. The following reasons which is correct?
- A. Some POE switches fail and AP can't go online.
- B. AP failure can't be online
- C. License number reaches the upper limit
- D. AP authentication mode is mac-auth or sn-auth, which causes some AP failed to go online.
Answer: C
NEW QUESTION 41
If you want to get better covered effect, you should enable the AP signal ( ) through the wall.
- A. vertical
- B. parallel
- C. 45°
- D. 60°
Answer: A
NEW QUESTION 42
Regarding the functional characteristics of the AP6010SN, the following statement is correct (Select 2 Answers).
- A. AP6010SN not only has built-in antenna, but also can be installed with an external antenna.
- B. The AP6010SN has an Ethernet interface that supports 802.3af PoE power supply standards.
- C. AP6010SN is an indoor distributed AP that only supports working in the 2.4GHz band.
- D. AP6010SN supports WDS function, which can realize point-to-point and point-to-multipoint wireless bridging
Answer: B,D
NEW QUESTION 43
In the 802.11 frame, what is the correct correspondence between the Type and the frame format in the Frame Control bit?
- A. Type is 00, it means reserved. When
- B. Type is 01, indicating that the data frame
- C. Type is 00, it means management frame.
- D. Type is 10, indicating the control frame. When
Answer: C
NEW QUESTION 44
Basic service set is the basic component of 802.11 network, consists of a set of workstations communicate with each other.
- A. True
- B. False
Answer: A
NEW QUESTION 45
If the demand for WLAN capacity is high in a coverage area, the construction method of should be considered.
- A. Indoor distribution system combination road
- B. Outdoor distribution system combination road
- C. Outdoor type AP+ directional antenna
- D. Indoor installation
Answer: D
NEW QUESTION 46
The following description of the PSK certification is incorrect.
- A. PSK authentication process is similar to the shared key authentication process, so the security is the same.
- B. PSK authentication requires the same pre-shared key to be configured on the wireless client and device side.
- C. PSK authentication is to verify the legitimacy of the STA side key through 4-way handshake key negotiation.
- D. WPA and WPA2 support PSK certification
Answer: B
NEW QUESTION 47
What is the China WLAN security mandatory standard?
- A. WAPI
- B. WiFi
- C. WLAN
- D. WiMax
Answer: A
NEW QUESTION 48
What is the maximum number of APs that can be managed by the ACU board of the Huawei plug-in controller?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 49
In the WLAN network configuration, what command must be executed on the AC6605 to deliver the configuration to AP1?
- A. save ap id 1
- B. commit ap 1
- C. save ap 1 config
- D. save config ap 1
Answer: B
NEW QUESTION 50
What VLAN is used to establish a CAPWAP tunnel VLAN for the AP and AC?
- A. User VLAN
- B. Management VLAN
- C. Authentication VLAN
- D. Service VLAN
Answer: B
NEW QUESTION 51
In the WDS peer-to-peer network, the backbone link between the Root AP and the Leaf AP is connected in the
5 GHz band. The bandwidth used by the Root AP is 149. Which of the following bands should the Leaf AP use?
- A. 0
- B. 1
- C. 2
- D. Except for 149
Answer: A
NEW QUESTION 52
The lobe width is a very important parameter commonly used in directional antennas. It refers to the angle between the antenna and the radiation pattern below the peak dB The width.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 53
What are the upgrade modes of Huawei Wireless AP (Select 2 Answers)?
- A. FTP Server Download
- B. AC Download
- C. AP Comes with
- D. BAS Download
Answer: A,B
NEW QUESTION 54
Regarding the networking architecture of AC+Fit AP, which of the following description is wrong?
- A. It can enhance service QoS, security and other functions through AC.
- B. Management of APs and users must be implemented through the network management system
- C. AP itself has zero configuration and is suitable for large-scale networking.
- D. AP cannot work alone and need to be maintenance and management by AC centralized agent.
Answer: B
NEW QUESTION 55
Engineer A purchased a batch of Huawei APs that support WDS. When the WDS network was formed, the bridge could not be established successfully. Which of the following is the possible reason?
- A. The power of the two APs is different
- B. The models of the two APs are different.
- C. The SSIDs of the two APs are different.
- D. The channels of the two APs are different.
Answer: D
NEW QUESTION 56
Which of the following are the Huawei AC load balancing judgment method? (Multiple Choice)
- A. Traffic mode
- B. Virtual switching method
- C. AP power consumption mode
- D. Session mode
Answer: A,D
NEW QUESTION 57
The two commonly used units describing antenna gain are dBi and dBd, and the conversion relationship between them is: dBi=dBd+2.14.
- A. True
- B. False
Answer: A
NEW QUESTION 58
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