[2022] H12-311-ENU by HCIA-WLAN Actual Free Exam Practice Test
Free HCIA-WLAN H12-311-ENU Exam Question
NEW QUESTION 87
Regarding the working principle of 5G priority, the following statement is correct.
- A. 5G priority feature is to let the 5G client send data preferentially.
- B. 5G priority is turned on, the network transfer speed of the client supporting only 2.4G will be slower.
- C. 5G priority requires the AP to work normally when it is a dual-band AP.
- D. 5G priority requires all clients to support both 2.4GHz and 5GHz bands
Answer: C
NEW QUESTION 88
What are the main contents of the CAPWAP protocol (Select 3 Answers)?
- A. The AC manages the AP and delivers the service configuration.
- B. AP automatic discovery of AC and state machine operation and maintenance of AP&AC
- C. STA data encapsulates CAPWAP tunnel for forwarding
- D. Define the transfer rate of the Mac layer and the physical layer
Answer: A,B,C
NEW QUESTION 89
In the 802.11 frame, what is the interframe interval between RTS and CTS?
- A. PIFS
- B. SIFS
- C. IFS
- D. DIFS
Answer: B
NEW QUESTION 90
What is the function of the AC in the wireless network (Select 3 Answers)?
- A. Send beacon frame
- B. Implement roaming function
- C. Wireless intrusion detection
- D. Centralized management AP
Answer: B,C,D
NEW QUESTION 91
In order to facilitate management and maintenance, the AP power supply mode generally prefers to supply power.
- A. Independent power adapter
- B. AC power supply
- C. POE adapter
- D. POE switch
Answer: D
NEW QUESTION 92
Which of the following protocols are IEEE 802.11 standards Select 3 Answers)?
- A. 802.11s
- B. 802.11i
- C. 802.1X
- D. 802.11a/b/g/n
Answer: A,B,D
NEW QUESTION 93
In the following options, the role of the AP in the Huawei Mesh network is (). (Multiple Choice)
- A. MP
- B. MBP
- C. MAP
- D. MPP
Answer: A,C,D
NEW QUESTION 94
Which of the following options are the basic functions for configuring Huawei wireless controllers (Select 3 Answers)?
- A. Configure AC country code
- B. Configure AC WLAN source interface
- C. Configure AC-ID
- D. Configure Radio template
Answer: A,B,C
NEW QUESTION 95
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 management frame.
- B. Type is 00, it means reserved. When
- C. Type is 10, indicating the control frame. When
- D. Type is 01, indicating that the data frame
Answer: A
NEW QUESTION 96
The number of user terminals in an indoor WLAN network is 300, and the peak concurrency rate is 70%. The terminal supports the 2.4 GHz and 5 GHz frequency bands. According to the maximum number of users per AP dual-frequency, at least () APs can meet the capacity requirements.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 97
About the AP access control mode, which of the following statements is wrong? (Multiple choice)
- A. the white list based on MAC authentication, the authentication can be based on the SN
- B. If the AP uses the MAC access control authentication, MAC authentication list outside the AP can also let the on-line manual confirmation
- C. By default AP under the control of the access method is not AC Certification
- D. By configuring the AP offline also need certification before they can automatically access
Answer: C,D
NEW QUESTION 98
20dBm is equivalent to mW.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 99
The AC6605 supports three ways to establish AP and AC interworking. What are the options (Select 3 Answers)?
- A. Find the AP through multicast and automatically go online
- B. Automatically discover AP and go online normally
- C. Automatically discover the AP and confirm the online
- D. Offline increase AP
Answer: B,C,D
NEW QUESTION 100
Which type of message is used in the 802.11 frame for the terminal to receive data packets in the power saving mode?
- A. RTS
- B. ACK
- C. PS-Poll
- D. CTS
Answer: C
NEW QUESTION 101
When a data frame is sent and confirmed, what is the time interval to wait before the next data frame is sent?
- A. DIFS
- B. PIFS
- C. IFS
- D. SIFS
Answer: A
NEW QUESTION 102
WIDS attack detection includes (Select 3 Answers).
- A. Flood attack detection
- B. Microwave interference detection
- C. Spoof attack detection
- D. Weak IV attack detection
Answer: A,C,D
NEW QUESTION 103
Engineer A used many utilize used equipment APs during the project rectification process. It was found that some APs could go online, and some APs could not go online. Which of the following descriptions are correct? (Multiple Choice)
- A. AP authentication mode is no-auth. If the AP is not online, it is likely that the AP itself is faulty.
- B. AP authentication mode is no-auth. Since the batch AP is utilize used equipment AP, the AP that can go online may have been online on this AC.
- C. AP authentication method is sn-auth. Since the batch AP is utilize used equipment AP, the AP that can go online may be online on this AC.
- D. AP authentication mode is mac-auth. Since the batch AP is utilize used equipment AP, the AP that can go online may be online on this AC.
Answer: A,C,D
NEW QUESTION 104
Among the following encryption methods, the best security is.
- A. TKIP encryption
- B. Clear text encryption
- C. WEP encryption
- D. CCMP encryption
Answer: D
NEW QUESTION 105
During the implementation of the project, the engineer A deployed a large number of APs. After the configuration was completed, it was found that all APs could not go online and asked the engineer B for help. After the engineer B found that the engineer A did not configure the AC source address, which of the following commands can be quickly located if AC configure the AC source address?
- A. display ap global configuration
- B. display capwap configuration
- C. display current-configuration
- D. display capwap status
Answer: B
NEW QUESTION 106
In the 802.11 frame, what is the value of To DS and From DS respectively when the wireless station sends a signal to the wireless AP?
- A. 1 , 0
- B. 0 , 0
- C. 0 , 1
- D. 1 , 1
Answer: A
NEW QUESTION 107
TKIP encryption is more secure than WEP encryption because (Select 3 Answers).
- A. Added a key distribution mechanism, no longer using a single key
- B. Adopting a more complex encryption algorithm
- C. Adopt a longer IV
- D. Using a stronger data verification algorithm
Answer: A,C,D
NEW QUESTION 108
In the WDS point-to-point network, the backbone link between the Root AP and the Leaf AP is connected in the 5 GHz band. The channel used by the Root AP is 149. Which of the following channels should the Leaf AP use?
- A. all of the above except for 149
- B. 0
- C. 1
- D. 2
Answer: D
NEW QUESTION 109
If the wireless client wants to connect to the WLAN through the AP, then through what is it connected to the wireless network?
- A. BSID
- B. IBSS
- C. SSID
- D. BSA
Answer: C
NEW QUESTION 110
The following description of WEP encryption is wrong.
- A. WEP encryption adds IV to destroy the regularity of the key.
The length of the IV in C.WEP encryption is 48 bits. - B. WEP encryption uses a stream encryption algorithm.
- C. WEP encryption allows the device to store four keys at the same time.
Answer: C
NEW QUESTION 111
......
Huawei H12-311-ENU Exam Syllabus Topics:
| Topic | Details |
|---|---|
| Topic 1 |
|
| Topic 2 |
|
| Topic 3 |
|
Huawei H12-311-ENU Actual Questions and Braindumps: https://dumpsninja.surepassexams.com/H12-311-ENU-exam-bootcamp.html