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NEW QUESTION 85
The AP can provide power and data transmission through the POE switch.
- A. False
- B. True
Answer: B
NEW QUESTION 86
What are the reasons why users may not be able to connect to the WLAN properly? (Multiple choice)
- A. AP has too many connected users
- B. Weak wireless signal
- C. There are many sources of signal interference around
- D. AP is blacklisted
Answer: A,B,C,D
NEW QUESTION 87
Which of the following options are part of the 802.11b/g protocol (Select 3 Answers)?
- A. Different working bands
- B. Different data rates supported
- C. Different protocols use different technologies
- D. Different throughput capabilities
Answer: B,C,D
NEW QUESTION 88
20dBm is equivalent to mW.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 89
The following statement is correct (Select 3 Answers).
- A. WAPI is China's wireless LAN national standard system
- B. WPA2 uses 802.1X authentication
- C. WPA2 PSK authentication requires the user to enter a username and password to connect
- D. When the user obtains the IP address successfully, the user triggers the HTTP packet of the user. At this time, the user is forced to redirect to the portal server to perform the authentication process.
Answer: A,B,D
NEW QUESTION 90
Huawei AP can also implement AP-based load balancing in Fat AP mode.
- A. False
- B. True
Answer: A
NEW QUESTION 91
802.11b is a protocol based on Orthogonal Frequency Division Multiplexing (OFDM) technology.
- A. False
- B. True
Answer: A
NEW QUESTION 92
802.11 has three frame types, which are (Select 3 Answers).
- A. Management frame
- B. Service frame
- C. Data frame
- D. Control frame
Answer: A,C,D
NEW QUESTION 93
For AC6605, which of the following command can be used to view the AP online?
- A. display ap all
- B. display ap online all
- C. dispay ap-run-info all
- D. display ap-type all
Answer: A
NEW QUESTION 94
The CAPWAP protocol supports both Split Mac and Local Mac modes of operation.
- A. False
- B. True
Answer: B
NEW QUESTION 95
How many subcarriers can 802.11n use to transmit data in 20M mode?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 96
Which of the following are PoE's power supply standards? (Multiple choice)
- A. IEEE 802.3ae
- B. IEEE 802.3af
- C. IEEE 802.3at
- D. IEEE 802.3as
Answer: B,C
NEW QUESTION 97
In the 802.11 frame, which address bit of the Address bit represents the address of the frame receiving end?
- A. Address 1
- B. Address 3
- C. Address 4
- D. Address 2
Answer: A
NEW QUESTION 98
What is used to define roaming in the IEEE 802.11 standard?
- A. IEEE 802.11r
- B. IEEE 802.11j
- C. IEEE 802.11c
- D. IEEE 802.11h
Answer: A
NEW QUESTION 99
What is the transmission medium of WLAN?
- A. Radio waves
- B. Carrier current
- C. Infrared
- D. Satellite communications
Answer: A
NEW QUESTION 100
Various pipes, metal keels and aluminum alloy gussets in the ceiling will have a greater impact on the actual signal coverage.
- A. False
- B. True
Answer: B
NEW QUESTION 101
Which of the following description about Fit AP is correct?
- A. Fit AP cannot be used alone and must be used with the wireless controller
- B. Fit AP is also known as a wireless router.
- C. Fit AP is gradually being replaced by fat AP due to its long absence.
- D. Fit AP can implement 802.1X authentication, encryption and other functions. Others such as QoS and roaming functions are implemented on the wireless controller.
Answer: A
NEW QUESTION 102
In the wireless network deployment scenario, when the AC is configured as "Layer 3 Networking + by hang Mode + Direct Forwarding", where can the wireless user's gateway be located? (Multiple choice)
- A. on AP
- B. on AC
- C. Convergence layer on the Layer 3 switch
- D. On the one-arm router
Answer: B,C,D
NEW QUESTION 103
How to deal with the failure of AP and AC version mismatch on a large number of devices.
- A. Upgrade the versions to match each other.
- B. Check if the POE power supply is normal.
- C. Replace the switch
- D. Replace the AP device.
Answer: A
NEW QUESTION 104
WEP encryption' data algorithm using which algorithm?
- A. AES
- B. asymmetric encryption
- C. RC4
- D. CCMP
Answer: C
NEW QUESTION 105
The choice of WLAN coverage antenna, for narrow and long areas, it is recommended to select (), open a short distance area, it is recommended to select ().
- A. omnidirectional antenna; directional antenna
- B. directional antenna; omnidirectional antenna
- C. directional antenna; directional antenna
- D. omnidirectional antenna; omnidirectional antenna
Answer: B
NEW QUESTION 106
Among the following options, the common source of WLAN interference is (Select 3 Answers).
- A. Microwave oven
- B. Cordless telephone
- C. Remote control
- D. Bluetooth transmission equipment
Answer: A,B,D
NEW QUESTION 107
Which of the following statements are correct? (Multiple choice)
- A. When the user obtains the IP address successfully, the user triggers the HTTP packet of the user. In this case, the user is forced to redirect to the portal server to perform the authentication process.
- B. WAPI is China's wireless LAN national standard system
- C. WPA2 uses 802.1X authentication
- D. WPA2 PSK authentication requires the user to enter username and password to connect
Answer: A,B,C
NEW QUESTION 108
Which of the following statement is correct about the characteristics of Huawei WLAN products?
- A. The switching threshold of WLAN load balancing has two configurations based on session mode and traffic mode.
- B. After the dual-link backup configuration, if the user adopts the tunnel forwarding mode, the user service will not be interrupted even if the active AC fails.
- C. Wireless controller can achieve high availability through stacking
- D. Huawei's AP radio tuning function is divided into global tuning and local tuning. The local tuning is done independently by the AP.
Answer: A
NEW QUESTION 109
The 802.11 protocol that defines the quality of service in WLAN is .
- A. 802.11i
- B. 802.11f
- C. 802.11e
- D. 802.11n
Answer: C
NEW QUESTION 110
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