[Jan 27, 2022] Valid H12-311 Test Answers & Huawei H12-311 Exam PDF
Realistic H12-311 Exam Dumps with Accurate & Updated Questions
NEW QUESTION 141
Which of the following are the RF cable commonly used in WLAN distribution systems? (Multiple choice)
- A. 1/2" (inch) super soft feeder
- B. 13/8" (inch) feeder
- C. RG-8 jumper
- D. 1/2" (inch) feeder
Answer: A,C,D
NEW QUESTION 142
WEP encrypted data algorithms use algorithms.
- A. CCMP
- B. RC4
- C. AES
- D. Asymmetric encryption
Answer: B
NEW QUESTION 143
For indoor distributed APs, the following description is correct (B).
- A. AP6310SN supports dual frequency mode
- B. Waterproof and dustproof
- C. AP power can be up to 800mW.
- D. It can be deployed in conjunction with the carrier's 3G network.
Answer: D
NEW QUESTION 144
20dBm is equivalent to mW.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 145
Which of the following is included in the 802.11n MAC layer improvement technology (Select 2 Answers)?
- A. MIMO technology
- B. Block confirmation technology
- C. Frame aggregation technology
- D. Beamforming technology
Answer: B,C
NEW QUESTION 146
What is the command to check online users on the AC?
- A. display access-user
- B. display users all
- C. display local-user
- D. display user-interface console 0
Answer: A
NEW QUESTION 147
For lobe width, the following description is correct (Select 3 Answers).
- A. The terminal can receive the signal only within the half power angle coverage.
- B. The pattern usually has two or more petals
- C. The narrower the lobes, the better the directionality, the farther the radiation distance, the stronger the anti-interference ability
- D. In the main lobe range, the power density decreases by half (3dB) relative to the maximum radiation direction.
Answer: B,C,D
NEW QUESTION 148
Regarding the networking method, the following description is correct.
- A. Compared with the three-layer networking, the second-tier networking is more suitable for large networks such as parks and stadiums.
- B. In the direct connection network, the service data of the AP can directly reach the uplink network without going through the AC.
- C. If the AC's ability to process data is weak, it is recommended to use a side-by-side networking.
- D. The advantage of the three-layer networking is that the configuration is simple and the networking is easy.
Answer: C
NEW QUESTION 149
The architecture of the WLAN is mainly divided into a controller-based thin AP architecture and a traditional independent fat AP architecture.
- A. True
- B. False
Answer: A
NEW QUESTION 150
Which of the following AP modes does not belong to the WDS network?
- A. Root AP
- B. Middle AP
- C. Leaf AP
- D. Bridge AP
Answer: D
NEW QUESTION 151
What is the network consisting of a wireless AP and associated wireless clients?
- A. BSS
- B. IBSS
- C. ESS
- D. NSS
Answer: A
NEW QUESTION 152
When the channel interference of the 2.4 GHz band is large and severe, the device is adjusted to 3 channels, which can effectively reduce interference.
- A. True
- B. False
Answer: B
NEW QUESTION 153
The standard of 802.11n use double band (2.4GHz and 5GHz), the maximum theoretical transmission rate can reach to 300Mbps, actual test rate can reach more than 100Mbps.
- A. True
- B. False
Answer: B
NEW QUESTION 154
What is the China WLAN security mandatory standard?
- A. WiMax
- B. WLAN
- C. WiFi
- D. WAPI
Answer: D
NEW QUESTION 155
What is the 2.4 GHz frequency band non-overlapping channels?
- A. 3,8,13
- B. 2,7,12
- C. 3,7,13
- D. 1,6,11
Answer: D
NEW QUESTION 156
The number of users is 300, and the concurrency rate is 70%. The terminal supports the 2.4 GHz and 5 GHz frequency bands. According to the maximum number of users per dual-band dual-frequency AP, at least APs can meet the capacity requirements.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 157
A company wants to deploy WLAN. The company has purchased a number of wireless APs that support
802.11n. When the WLAN is deployed, only 802.11n wireless clients can connect to the company's WLAN.
- A. True
- B. False
Answer: B
NEW QUESTION 158
The following description of WEP encryption is wrong.
- A. WEP encryption allows the device to store four keys at the same time.
- B. WEP encryption adds IV to destroy the regularity of the key.
The length of the IV in C.WEP encryption is 48 bits. - C. WEP encryption uses a stream encryption algorithm.
Answer: A
NEW QUESTION 159
Which of the following 2.4GHz bands are Selective Answers (ABD) (Select 3 Answers).
- A. 4 and 8
- B. 6 and 11
- C. 4 and 10
- D. 3 and 8
Answer: B,C,D
NEW QUESTION 160
The Int-Serv model provides users with end-to-end absolute QoS guarantees, but the reason for the lack of successful large-scale commercial use is.
- A. Poor scalability
- B. Low forwarding efficiency
- C. Not conducive to traffic regulation
- D. Limited bandwidth reservation
Answer: A
NEW QUESTION 161
Among the following encryption methods, the best security is.
- A. TKIP encryption
- B. WEP encryption
- C. Clear text encryption
- D. CCMP encryption
Answer: D
NEW QUESTION 162
The maximum number of layers supported by the location topology in Huawei eSight is layer.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 163
What is the maximum number and the minimum number of AP that can be managed by the ACU2 board of the Huawei plug-in controller?
- A. 1024, 4
- B. 1024, 128
- C. 2048, 4
- D. 2048, 128
Answer: D
NEW QUESTION 164
Which of the following option is a prerequisite for starting load balancing function based on AP?
- A. STA can scan AP which can process load balancing each other
- B. AP is under the management of same AC, and signal has overlap between AP
- C. The output power of the AP is consistent.
- D. AP belongs to the same type
Answer: B
NEW QUESTION 165
Which of the following standards can support both the 2.4 GHz band and the 5 GHz band?
- A. 802.11g
- B. 802.11
- C. 802.11ac
- D. 802.11n
- E. 802.11b
- F. 802.11a
Answer: D
NEW QUESTION 166
......
Huawei H12-311 Exam Syllabus Topics:
| Topic | Details |
|---|---|
| Topic 1 |
|
| Topic 2 |
|
| Topic 3 |
|
H12-311 Exam Dumps - PDF Questions and Testing Engine: https://www.fast2test.com/H12-311-premium-file.html