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Huawei H12-311 Exam Syllabus Topics:
| Topic | Details |
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| Topic 2 |
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| Topic 3 |
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NEW QUESTION 25
WDS technology increases the flexibility and convenience of the entire network structure, but only supports peer-to-peer mode of operation.
- A. False
- B. True
Answer: A
NEW QUESTION 26
Which of the following standards is WLAN (Select 2 Answers)?
- A. 802.11i
- B. WPA2
- C. 802.11a/b/g/n
- D. WPA
Answer: B,D
NEW QUESTION 27
What are the conditions for roaming switching triggers generally? (Multiple Choice)
- A. Start the switch when the network speed is very slow when it is associated with the original AP.
- B. Set the signal strength ratio between the current AP and the neighbor AP, and switch to the threshold.
- C. Start the switch after the STA reaches a certain distance from the original AP.
- D. Check the packet loss rate and start switching when the packet loss rate reaches a certain value.
Answer: B,D
NEW QUESTION 28
Which of the following are the RF cable commonly used in WLAN distribution systems? (Multiple choice)
- A. 1/2" (inch) super soft feeder
- B. RG-8 jumper
- C. 13/8" (inch) feeder
- D. 1/2" (inch) feeder
Answer: A,B,D
NEW QUESTION 29
If a WLAN network fails, engineer A needs to locate the fault. Which of he following fault location process is correct?
1. Check if the air interface signal is normal.
2. Check if the AC and uplink are normal.
3. Check if the AP is working properly.
4. Check if the terminal service is normal.
5. Check if the intermediate network device is working properly.
- A. 4-3-2-5-1
- B. 1-2-3-5-4
- C. 4-2-5-3-1
- D. 4-1-3-5-2
Answer: D
NEW QUESTION 30
According to the AP naming rules, which of the following statement about "AP4030DN" is incorrect?
- A. "3" in AP4030DN, which means that the AP supports 3*3MIMO.
- B. "D" in AP4030DN means that the AP is a dual-band AP and supports the 2.4GHz and 5GHz bands at the same time.
- C. "N" in the AP4030DN means that the AP is an 802.11n AP.
- D. The first "0" in the AP4030DN represents the AP as an internal antenna.
Answer: C
NEW QUESTION 31
The conditions for switching triggers are generally set (Select 2 Answers).
- A. Start the switch when the network speed is very slow when it is associated with the original AP.
- B. Set the signal strength ratio between the current AP and the neighbor AP, and switch to the threshold.
- C. Start the switch after the STA reaches a certain distance from the original AP.
- D. Check the packet loss rate and start switching when the packet loss rate reaches a certain value.
Answer: B,D
NEW QUESTION 32
Which of the following standards organization for the WLAN device is certified to achieve interoperability of WLAN technology?
- A. WiFi Alliance
- B. IEEE
- C. FCC
- D. IETF
Answer: A
NEW QUESTION 33
Spread-spectrum technology is the basis for transmitting wireless data using the ISM band.
- A. False
- B. True
Answer: B
NEW QUESTION 34
What are the upgrade modes of Huawei Wireless AP? (Multiple Choice)
- A. sftp-mode
- B. ap-mode
- C. ac-mode
- D. ftp-mode
Answer: A,C,D
NEW QUESTION 35
Which of the following protocols is defined in the Mesh networking?
- A. 802.11g
- B. 802.11a
- C. 802.11s
- D. 802.11e
Answer: C
NEW QUESTION 36
The radio subscriber with the same user VLAN and the same SSID can both access the Internet, but they can not visit each other, what is the proper reason that causes this situation?
- A. A traffic profile configured with user isolation is invoked in the AP template to prevent mutual access between users.
- B. it configures ACL on user's gateway equipment, prevents the mutual visit between users
- C. it configured ACL on ACL, preventing the mutual visit between users
- D. the configured port isolate on the access AP switch that prevent the mutual visit between user
Answer: A
NEW QUESTION 37
The eSight network management system is Huawei's dedicated network management platform, but it can only manage Huawei's own devices.
- A. False
- B. True
Answer: A
NEW QUESTION 38
There are many video conferences in large companies, and QoS generally adopts the service model.
- A. DiffServ model
- B. IntServ model
- C. Best Effort model
- D. FIFO model
Answer: D
NEW QUESTION 39
Connected by multiple AP and network infrastructure mode of distributed system, also known as ().
- A. Extended Service Area
- B. Basic Service Area
- C. Basic Service Set
- D. Extended Service Set
Answer: D
NEW QUESTION 40
For lobe width, the following description is correct (Select 3 Answers).
- A. In the main lobe range, the power density decreases by half (3dB) relative to the maximum radiation direction.
- B. The terminal can receive the signal only within the half power angle coverage.
- C. The pattern usually has two or more petals
- D. The narrower the lobes, the better the directionality, the farther the radiation distance, the stronger the anti-interference ability
Answer: A,C,D
NEW QUESTION 41
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