2022 Latest H12-311 Exam Dumps Recently Updated 300 Questions
Huawei H12-311 Real 2022 Braindumps Mock Exam Dumps
NEW QUESTION 57
WLAN APs can be powered by (Select 3 Answers).
- A. Independent power adapter
- B. POE adapter
- C. RF cable
- D. POE switch
Answer: A,B,D
NEW QUESTION 58
Which of the following ports can only belong to one VLAN.
- A. eth-trunk
- B. access
- C. hybrid
- D. trunk
Answer: B
NEW QUESTION 59
The AP can provide power and data transmission through the POE switch.
- A. True
- B. False
Answer: A
NEW QUESTION 60
The 802.11n standard uses dual-band (2.4 GHz and 5 GHz), the theoretical transmission rate can reach up to 300 Mbps, and the actual test rate can reach more than 100 Mbps.
- A. False
- B. True
Answer: A
NEW QUESTION 61
MIMO antenna configuration is usually expressed as "M * N", what M and N each means? (Multiple choice)
- A. M means the number of receiving antennas
- B. M means the number of transmitting antennas
- C. N means the number of transmitting antennas
- D. N means the number of receiving antennas
Answer: B,D
NEW QUESTION 62
The antenna has a power amplification function.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 63
What is the working frequency band used in the original 802.11 protocol?
- A. 2.4 GHz
- B. 900 MHz
- C. 2.0 GHz
- D. 5 GHz
Answer: A
NEW QUESTION 64
According to the following configuration example, which of the following is true?
[AC] dhcp enable
[AC] interface VLANif100
[AC-VLANif100] ip address 10.1.100.1 24
[AC-VLANif100] dhcp select interface
[AC-VLANif100] quit
- A. The DHCP service in the global mode has been open defaultly, so the DHCP enable can no longer to configure
- B. The commend of DHCP select interface is on the interface of VLAN 100 can make the DHCP client function
- C. If VLAN100 is user VLAN, the user gateway is 10.1.100.1, the mask is 255.255.255.0
- D. If VLAN100 is AP's management VLAN, AP will receive DHCP message option 43 fields should be 10.1.100.1
Answer: C
NEW QUESTION 65
Assume that the transmit power of AP is 1mW, it is () dBm after converted to dBm.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 66
The gain of the antenna A is 11 dBi, and the gain of the antenna B is 8 dBi, it can be said that, how much is the gain of the antenna A larger than that of the antenna B?
- A. 3 dBd
- B. 3 dB
- C. Uncertain
- D. 3 dBi
Answer: B
NEW QUESTION 67
What is the command to check the system version of the AP running?
- A. display ap all
- B. display ap update all
- C. display ap-run-info id x (x is the ID number of the AP)
- D. display ap version id x (x is the ID number of the AP)
Answer: C
NEW QUESTION 68
Which of the following commands can view the current AP license resource usage?
- A. display license esn
- B. display license state
- C. display ap all
- D. display license resource usage
Answer: D
NEW QUESTION 69
What are the reasons why APs cannot go online (Select 3 Answers)?
- A. The AP uses static discovery but the IP address of the AC is incorrect. The version of
- B. AP is inconsistent with the version of AC.
- C. The controller adopts no-auth authentication mode.
- D. The configuration of the DHCP address pool is incorrect. The AP cannot obtain the address.
Answer: A,B,D
NEW QUESTION 70
When AC is only one interface access convergence layer switches, user traffic directly through convergence layer switch out of the public, not through the AC, what should network mode be at this time?
- A. By hanging mode + Tunnel forward
- B. Direct mode + Straight forward
- C. By hanging mode + Straight forward
- D. Direct mode + Tunnel forward
Answer: C
NEW QUESTION 71
WEP encrypted data algorithms use algorithms.
- A. CCMP
- B. RC4
- C. Asymmetric encryption
- D. AES
Answer: B
NEW QUESTION 72
What is the US non-overlapping channel in the 2.4 GHz band?
- A. 3, 8, 13
- B. 3, 7, 13
- C. 1, 6, 11
- D. 2 , 7, 12
Answer: C
NEW QUESTION 73
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