Free 2021 HCIA-WLAN H12-311 dumps are available on Google Drive shared by 2Pass4sure
Welcome to download the newest 2Pass4sure H12-311 PDF dumps: https://www.2pass4sure.com/HCIA-WLAN/H12-311-actual-exam-braindumps.html ( 261 Q&As)
NEW QUESTION 116
802.11 has three frame types, which are (Select 3 Answers).
- A. Data frame
- B. Service frame
- C. Control frame
- D. Management frame
Answer: A,C,D
NEW QUESTION 117
Which of the following can be done to protect WLAN security? (Multiple choice)
- A. Control traffic
- B. Encryption
- C. Authentication
- D. System protection
Answer: B,C,D
NEW QUESTION 118
Which of the following commands can be configured to enter the WLAN view?
- A. <AC6605>wlan-view
- B. <AC6605> wlan
- C. [AC6605] wlan
- D. [AC6605] wlan-view
Answer: C
NEW QUESTION 119
In WLAN, the AP has been always working in a half-duplex state.
- A. True
- B. False
Answer: A
NEW QUESTION 120
CAPWAP protocol is proposed by which of the following standards organizations?
- A. FCC
- B. CCC
- C. ETSI
- D. IETF
Answer: D
NEW QUESTION 121
According to the following output, the following statement is correct (Select 3 Answers).
<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.
- A. The total flash size of the device is 128 Mbytes.
- B. Currently the device has used 512 Mbytes of system memory.
- C. display version can see that the VRP version number of today's devices is 5.70.
- D. The equipment has been running continuously for 1 day, 23 hours and 33 minutes.
Answer: A,C,D
NEW QUESTION 122
The networking mode can be divided into a Layer 2 networking mode and a Layer 3 networking mode based on the network architecture between the AP and the AC.
- A. True
- B. False
Answer: A
NEW QUESTION 123
What is the default authentication mode supported by AP?
- A. no-auth
- B. mac-auth
- C. mac-sn-auth
- D. sn-auth
Answer: B
NEW QUESTION 124
The correct steps for using the Huawei WLAN planning tool are ().
- A. Automatically generate obstacles - Auto arming AP - Draw coverage area - Export net gauge report
- B. Draw obstacles - Draw coverage area - Auto arming AP - Export net gauge report
- C. Draw coverage area - Draw obstacles - Auto arming AP - Export net gauge report
- D. Draw Obstacle - Auto Arming AP - Auto Arming Switch - Export Net gauge Report
Answer: B
NEW QUESTION 125
Among the following options, the common source of WLAN interference is (Select 3 Answers).
- A. Cordless telephone
- B. Microwave oven
- C. Bluetooth transmission equipment
- D. Remote control
Answer: A,B,C
NEW QUESTION 126
Which of the following protocols is defined in the Mesh networking?
- A. 802.11g
- B. 802.11s
- C. 802.11e
- D. 802.11a
Answer: B
NEW QUESTION 127
Which modulation method does the following picture belong to?
- A. modulation
- B. amplitude modulation
- C. phase modulation
- D. frequency modulation
Answer: D
NEW QUESTION 128
The gain size of antenna can explain ().
- A. antenna collects electromagnetic waves or launch ability strong or weak in one direction
- B. the amplification capability of antenna to high frequency signal
- C. the amplification ability of electromagnetic waves
- D. antenna collects electromagnetic waves or launch ability strong or weak in all directions
Answer: A
NEW QUESTION 129
For outdoor long-distance point-to-point backhaul, the antenna of should be selected.
- A. High gain, small lobe width
- B. Omnidirectional
- C. Low gain, large lobe width
- D. High gain, large lobe width
Answer: A
NEW QUESTION 130
In the following priority queues, the queue has the highest default priority.
- A. AC-VO
- B. AC-VI
- C. AC-BK
- D. AC-BE
Answer: A
NEW QUESTION 131
The AC performs a load balancing process based on the information.
- A. The AP periodically sends information about the STA associated with it to the AC.
- B. STA periodically reports the currently associated AP ID.
- C. AC periodically queries the number of STAs associated with an AP.
- D. STA periodically searches for the AP information and reports the AP ID through the associated AP.
Answer: B
NEW QUESTION 132
Which of the following factors are the AP capacity planning needs to consider? (Multiple choice)
- A. bandwidth requirements
- B. the number of concurrent users
- C. equipment performance
- D. Power supply type
Answer: A,B,C
NEW QUESTION 133
What is the AP connected to the AC through the wired network in the WDS network?
- A. Root AP
- B. Leaf AP
- C. Middle AP
- D. Master AP
Answer: A
NEW QUESTION 134
Which of the following is the command to restart the AC6605?
- A. <Quidway> reboot
- B. <Quidway> reload
- C. [ Quidway] reboot
- D. [Quidway]reload
Answer: A
NEW QUESTION 135
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