Latest Sep 02, 2022 H12-311_V3.0 Brain Dump: A Study Guide with Tips & Tricks for passing Exam
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NEW QUESTION 77
CAPWAP The port number of the control message of the tunnel protocol is ().
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 78
Which of the following protocols can support at the same time 2.4GHz Frequency band and 5GHz Frequency band()?
- A. 802.11b
- B. 802.11g
- C. 802.11a
- D. 802.11n
Answer: D
NEW QUESTION 79
BSS Which two basic service sets are included ()? (Select 2 Answers)
- A. Independent basic service set
- B. Extend the basic service set
- C. Extend the basic service set of structural mode
- D. Basic Service Set of Infrastructure Mode
Answer: A,D
NEW QUESTION 80
What are China's mandatory standards for wireless LAN security ()?
- A. WLAN
- B. WAPI
- C. WiFi
- D. WiMAX
Answer: B
NEW QUESTION 81
How to set the condition of switching trigger (). (Select 2 Answers)
- A. Yohara AP Start the switch when the network speed is very slow during association
- B. Check the packet loss rate and start the handover when the packet loss rate reaches a certain value
- C. when STA Yohara AP Start switching after reaching a certain distance
- D. Set current AP With neighbors AP Signal strength ratio, switch when reaching the threshold
Answer: B,D
NEW QUESTION 82
Wireless network engineer WLAN When planning the network, use RF The purpose of simul-ation is (). (Select 3 Answers)
- A. Get available bandwidth in different locations
- B. Analog signal coverage effect, find blind spots
- C. Get the current signal-to-noise ratio of different locations
- D. Obtain the field strength distribution of different locations
Answer: B,C,D
NEW QUESTION 83
For the choice of WLAN coverage antennas, it is recommended to choose () for long and narrow areas, and () for wide and short-distance areas.
- A. Omnidirectional antenna; directional antenna
- B. Directional antenna; Directional antenna
- C. Omnidirectional antenna; Omnidirectional antenna
- D. Directional antenna; omnidirectional antenna
Answer: D
NEW QUESTION 84
Which of the following functions does the Huawei WLAN planning tool have ()?
(Select 3 Answers)
- A. Support exporting standardized WLAN planning reports
- B. Support the division of general coverage areas and key coverage areas
- C. Support automatic deployment of AP locations
- D. Support automatic identification of obstacles
Answer: A,B,C
NEW QUESTION 85
Among the following priority queues, the () queue has the highest default priority.
- A. AC-VO
- B. AC-BK
- C. AC-VI
- D. AC-BE
Answer: A
NEW QUESTION 86
Not loaded license Time AC6605 Supported by default AP The number is ().
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 87
After wireless users connect to the wireless signal point, they can't get it IP Address, what are the possible reasons ()? (Select 2 Answers)
- A. User equipment MAC The address has been added to the blacklist
- B. Where the user is VLAN No configuration DHCP server
- C. wlan-ess No configuration on the virtual interface dhcp-enable
- D. The authentication password specified by the user is incorrect
Answer: B,C
NEW QUESTION 88
For Huawei AC To create a user, first use aaa Command to enter the view.
- A. False
- B. True
Answer: B
NEW QUESTION 89
The omnidirectional antenna appears on the horizontal pattern as ()Spend.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 90
In the direct-connected networking solution, AP and AC Establish CAPWAP Tunnel, the management flow must be encapsulated in CAPWAP In the tunnel, data service The stream can be optionally encapsulated in CAPWAP In the tunnel.
- A. False
- B. True
Answer: B
NEW QUESTION 91
Among the following encryption methods, the most secure is ()
- A. Plaintext encryption
- B. CCMP encryption
- C. TKIP encryption
- D. WEP encryption
Answer: B
NEW QUESTION 92
BSSID Is actually AP of MAC Address, used to identify AP Managed BSS .
- A. True
- B. False
Answer: B
NEW QUESTION 93
Among the following options, () is a prerequisite for enabling Huawei's load balancing function.
- A. AP The output power settings are the same
- B. AP In the same AC Under management, and AP Signal overlap
- C. STA Can scan to each other for load balancing AP
- D. AP Belong to the same type
Answer: B
NEW QUESTION 94
PPPoE Certified in WLAN When used, and WLAN The authentication encryption used by itself does not matter.
- A. True
- B. False
Answer: B
NEW QUESTION 95
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