H12-311-ENU Actual Questions Answers PDF 100% Cover Real Exam Questions
H12-311-ENU Exam questions and answers
NEW QUESTION 116
Which of the following devices are Huawei Wireless Dual Access AP (Access Point) (Select 2 Answers)?
- A. AP6010DN
- B. AP5010DN
- C. AP6010SN
- D. AP5010SN
Answer: A,B
NEW QUESTION 117
What are the general methods for solving co-channel interference (ABD) (Select 3 Answers).
- A. Multi-directional coverage using omnidirectional antennas
- B. Adjust AP transmit power and adjust antenna feed
- C. Reasonable frequency reuse to ensure that the same channel does not appear in the same or adjacent coverage area
- D. Natural isolation using obstacles
Answer: B,C,D
NEW QUESTION 118
What are the wireless LAN standards that support the 5GHz band (Select 2 Answers)?
- A. 802.11n
- B. 802.11a
- C. 802.11g
- D. 802.11b
Answer: A,B
NEW QUESTION 119
How many subcarriers can 802.11a use to transmit data in 20M mode?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 120
Which of the following are common sources of WLAN interference? (Multiple choice)
- A. Microwave oven
- B. Cordless phone
- C. Remote control
- D. Bluetooth transmission equipment
Answer: A,B,D
NEW QUESTION 121
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 122
The two bands of an AP that implements spectrum navigation must use the same SSID and security policy.
- A. True
- B. False
Answer: A
NEW QUESTION 123
Which of the following commands is to add GE 0/0/1 of Huawei access switch to VLAN 100?
- A. interface GigabitEthernet 0/0/1
Port link-type access
Port default VLAN 100 - B. interface GigabitEthernet 0/0/1
Port link-type trunk
Trunk allow-pass VLAN 100 - C. interface GigabitEthernet 0/0/1
Port link-type trunk
VLAN 100 - D. interface GigabitEthernet 0/0/1
Port link-type acess
Port allow-pass VLAN 100
Answer: A
NEW QUESTION 124
To avoid reconfiguration of data when an AP on the network is faulty, you can quickly replace APs by configuring AP replacement.
- A. True
- B. False
Answer: A
NEW QUESTION 125
Which of the following statement are correct about the classification of the antenna?
(Multiple choice)
- A. according to the working frequency band classification: communication antenna, TV antenna, radar antenna, etc
- B. according to the classification of direction: omni-directional antenna, directional antenna, etc
- C. according to use classification: shortwave antenna, ultra-short wave antenna and microwave antenna, etc
- D. according to the shape classification: linear antenna, planar antenna, etc
Answer: B,D
NEW QUESTION 126
The number of users is 300, and the concurrency rate is 70%. The terminal supports the 2.4 GHz and 5 GHz frequency bands. According to the maximum number of users per dual-band dual-frequency AP, at least APs can meet the capacity requirements.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 127
What are the prerequisites for users to achieve three-layer roaming? (Multiple choice)
- A. Two APs for user roaming switch must have the same SSID
- B. The SSID released by the two APs of the user roaming switch must have the same authentication method.
- C. Two APs for user roaming switch must have the same VLAN
- D. User roaming requires two AP signals to be covered with overlapping areas
Answer: A,B,D
NEW QUESTION 128
Which of the following standards organizations is proposed by the CAPWAP protocol?
- A. IETF
- B. CCC
- C. ETSI
- D. FCC
Answer: A
NEW QUESTION 129
In Huawei eSight, the method of adding WLAN devices includes (Select 3 Answers).
- A. Add automatically
- B. Add in batches
- C. Add manually
- D. Add script
Answer: A,B,C
NEW QUESTION 130
Which two kinds of Basic Service Set are included in BSS? (Multiple Choice)
- A. Infrastructure Structure Pattern Basic Service Set
- B. Extension Structure Pattern Basic Service Set
- C. Independent Basic Service Set
- D. Extend Basic Service Set
Answer: A,C
NEW QUESTION 131
Which of the following is the command to restart the AC6605?
- A. <AC6605> reboot
- B. [AC6605] reload
- C. <AC6605> reload
- D. [AC6605] reboot
Answer: A
NEW QUESTION 132
Which of the following security policies does the Mesh network support?
- A. WAPI-PSK
- B. WPA2-802.1X-AES
- C. WPA2+PSK+AES
- D. WPA+PSK+TKIP
Answer: C
NEW QUESTION 133
In the PoE terminology, the PSU is called the Power Supply Unit, which refers to the power supply unit, such as the Ethernet interface of the PoE switch.
- A. False
- B. True
Answer: A
NEW QUESTION 134
Which of the following two are PoE's power supply standards (Select 2 Answers)?
- A. IEEE 802.3ae
- B. IEEE 802.3as
- C. IEEE 802.3af
- D. IEEE 802.3at
Answer: C,D
NEW QUESTION 135
When the two-channel center frequency distance is less than or equal to 25 MHz, there is an overlapping area between the channels, and there may be some interference. Therefore, in order to avoid adjacent channel interference in adjacent area channel planning, the same channel is not allowed.
- A. False
- B. True
Answer: A
NEW QUESTION 136
What is the Chinese name of SSID?
- A. Extended service set
- B. Basic service area
- C. Basic service set
- D. Service set identifier
Answer: D
NEW QUESTION 137
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 138
The Barker code is an 11-bit sequence (for example, 10110111000), which has advantages in wireless transmission, which can effectively reduce interference, but reduces efficiency.
- A. True
- B. False
Answer: A
NEW QUESTION 139
A 10 layer building need to cover the WLAN signal, as for the floor block, WLAN signal frequency of 5 or 6 layers can be set to 6 channel at the same time.
- A. False
- B. True
Answer: A
NEW QUESTION 140
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