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Huawei H12-311_V3.0 (HCIA-WLAN V3.0) Certification Exam is a professional certification exam offered by Huawei for individuals who want to demonstrate their knowledge and skills in the field of wireless networking. H12-311_V3.0 exam is designed to test the candidate's understanding of WLAN technologies, WLAN planning and deployment, WLAN troubleshooting and optimization, and WLAN security.
NEW QUESTION # 99
IEEE It is the standards organization responsible for the use of wireless frequencies in the United States.
- A. True
- B. False
Answer: B
NEW QUESTION # 100
802.11 In the frame, STA Which type of frame () does the association request and authentication request belong to?
- A. Data Frame
- B. Control frame
- C. Data frame, control frame, management frame have this function
- D. Management frame
Answer: D
NEW QUESTION # 101
for dBm ,dB,dBi, The following description is correct ().
(Select 3 Answers)
- A. If the antenna of A is 12dBi , The second antenna is 14dBi , It can be said that A is smaller than B 2dBi
- B. dBm : Absolute value of characterizing power
- C. dBi and dBd : Characterize the relative value of gain
- D. dB : The relative value of characterizing power
Answer: B,C,D
NEW QUESTION # 102
BSSID Is actually AP of MAC Address, used to identify AP Managed BSS .
- A. True
- B. False
Answer: B
NEW QUESTION # 103
After one data frame is sent and confirmed, what is the time interval to wait before sending the next data frame ()?
- A. IFS
- B. DIFS
- C. SIFS
- D. PIFS
Answer: B
NEW QUESTION # 104
ETSI Which country or region is the standards organization ()?
- A. America
- B. Japan
- C. China
- D. Europe
Answer: A
NEW QUESTION # 105
TKIP Encryption ratio WEP Encryption security is high because of (). (Select 3 Answers)
- A. Added a key distribution mechanism, no longer using a single key
- B. A more complex encryption algorithm is used
- C. Used longer IV
- D. Adopt a stronger data verification algorithm
Answer: A,C,D
NEW QUESTION # 106
Which modulation method is the picture below ()?
- A. phase modulation
- B. AM
- C. Wave modulation
- D. FM
Answer: D
NEW QUESTION # 107
According to the following output, the correct statement below is ().
<Quidway> display version
Huawei Versatile Routing Platform Software
VRP (R) software, Version 5.70 (AC6605 V200R001C00)
Copyright (C) 2003-2012 Huawei TECH CO., LTD
Quidway AC6605-PWR Routing Switch uptime is 0 week, 1 day, 23 hours, 33 minutes H852V26S 0(Master): uptime is 0 week, 1 day, 23 hours, 33 minutes
512M bytes DDR Memory
128M bytes FLASH
Check the running status of the AC6605.
(Select 3 Answers)
- A. The total size of the flash memory of the device is 128M bytes
- B. At present, the equipment has been running continuously for 1 day, 23 hours, 33 minutes
- C. At present, the device has used 512M bytes of system memory
- D. display version, you can see that the VRP version number of the current device is 5.70
Answer: A,B,D
NEW QUESTION # 108
What are the prerequisites for users to achieve three-tier roaming ()?
(Select 3 Answers)
- A. User roaming requires two AP signals to cover overlapping areas
- B. The two APs for user roaming switching must have the same VLAN
- C. The SSID released by the two APs of the user roaming handover must have the same authentication method
- D. The two APs that the user roams over must have the same SSID
Answer: A,C,D
NEW QUESTION # 109
Which technology belongs to the wireless metropolitan area network () below?
- A. WiMAX
- B. Bluetooth
- C. WLAN
- D. 2G/3G
Answer: C
NEW QUESTION # 110
Which of the following are the relevant parameters of the Traffic template ().
(Select 2 Answers)
- A. ACK strategy
- B. CAC strategy
- C. Tunnel priority mapping strategy
- D. 802.3 priority mapping strategy
Answer: C,D
NEW QUESTION # 111
Which of the following standards organizations implements WLAN technical interoperability for WLAN equipment certification ()?
- A. WiFi
- B. FCC
- C. IEEE
- D. IETF
Answer: A
NEW QUESTION # 112
How many management nodes () does eSight Standard Edition support at most?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 113
For indoor distributed APs, which of the following descriptions is correct is ().
- A. AP power up to 800mW
- B. AP6310SN supports dual frequency mode
- C. Waterproof and dustproof
- D. Can be deployed in conjunction with the operator's 3G network
Answer: D
NEW QUESTION # 114
The index used to describe the degree of antenna convergence of the transmit power is (
- A. power
- B. polarity
- C. Gain
). - D. Broadband
Answer: C
NEW QUESTION # 115
Among the following encryption methods, the most secure is ()
- A. Plaintext encryption
- B. WEP encryption
- C. TKIP encryption
- D. CCMP encryption
Answer: D
NEW QUESTION # 116
create radio-profile Must be bound wmm-profile Only possible, otherwise there will be configuration errors.
- A. False
- B. True
Answer: B
NEW QUESTION # 117
WLAN The signal passes through which of the following materials with less penetration loss (). (Select 2 Answers)
- A. Brick wall
- B. Gypsum board
- C. Concrete wall
- D. Glass window (colorless)
Answer: B,D
NEW QUESTION # 118
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