100% Guaranteed Results H12-311 Unlimited 261 Questions [2021]
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Huawei H12-311 Exam Syllabus Topics:
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NEW QUESTION 101
Which of the following protocols are IEEE 802.11 standards Select 3 Answers)?
- A. 802.11a/b/g/n
- B. 802.11s
- C. 802.1X
- D. 802.11i
Answer: A,B,D
NEW QUESTION 102
Among the following options, is the reason for using 5G priority access.
- A. 5G frequency band can provide better access capacity and capacity
The connection speed between the user and the AP is fast in the - B. 5G frequency band is higher than the 2.4G frequency band.
- C. 5G frequency band. The transmission rate of the
- D. 5G frequency band is easier to network planning
Answer: A
NEW QUESTION 103
For the networking architecture of the AC+thin AP, the following description is wrong.
- A. Management of APs and users must be implemented through the network management system
- B. The AP itself has zero configuration and is suitable for large-scale networking.
- C. It can enhance service QoS, security and other functions through AC.
- D. AP can't work alone, it needs to be maintained and managed by AC centralized agent.
Answer: A
NEW QUESTION 104
Which of the following description is right for the management VLAN?
- A. responsible for establish the CAPWAP tunnel between AC and AP
- B. Service VLAN under the VAP template
- C. mainly responsible for data transmission of WLAN users.
- D. The management VLAN address of the AC must be the AC source address.
Answer: A
NEW QUESTION 105
If the AP works in infrastructure mode, the AP's working state is full-duplex mode.
- A. True
- B. False
Answer: B
NEW QUESTION 106
BSS is called Basic Service Set, and BSS can be divided into Independent BSS and Infrastructure BSS.
- A. True
- B. False
Answer: A
NEW QUESTION 107
The omnidirectional antenna exhibits a degree of on the horizontal pattern.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 108
The following description of WEP encryption is wrong.
- A. WEP encryption allows the device to store four keys at the same time.
- B. WEP encryption adds IV to destroy the regularity of the key.
The length of the IV in C.WEP encryption is 48 bits. - C. WEP encryption uses a stream encryption algorithm.
Answer: A
NEW QUESTION 109
After a wireless user connects to a wireless signal point, they cannot obtain an IP address. What are the possible reasons (Select 2 Answers)?
- A. The DHCP server is not configured in the VLAN where the user is located. The dhcp-enable command is not configured on the
- B. The user-specified authentication password is incorrect.
- C. The MAC address of the user device has been added to the blacklist.
- D. wlan-ess virtual interface.
Answer: A,D
NEW QUESTION 110
When wireless network engineers are planning for WLAN networks, what is the purpose of using RF emulation? (Multiple Choice)
- A. Obtaining the distribution of field strengths at different locations
- B. Get the available bandwidth at different locations
- C. Simulate signal coverage and find blind spots
- D. Obtaining the current signal to noise ratio at different locations
Answer: A,C,D
NEW QUESTION 111
Which of the following wireless technologies work in the 5 GHz band? (Multiple choice)
- A. Radar
- B. Digital satellite
- C. Infrared
- D. Bluetooth
Answer: A,B
NEW QUESTION 112
The following statement about SSID is wrong.
- A. The same SSID signal can be released on two sets of antennas of one AP.
- B. Multiple different SSIDs can be released on one AP
- C. The same SSID can be released on multiple APs.
- D. There is no limit to the number of SSIDs that can be configured on an AP.
Answer: D
NEW QUESTION 113
Which of the following factors are the AP capacity planning needs to consider? (Multiple choice)
- A. equipment performance
- B. bandwidth requirements
- C. the number of concurrent users
- D. Power supply type
Answer: A,B,C
NEW QUESTION 114
Which of the following standards organizations is implementing WLAN technology interoperability for WLAN device authentication?
- A. IETF
- B. WiFi Alliance
- C. FCC
- D. IEEE
Answer: B
NEW QUESTION 115
When only one interface of the AC is connected to the aggregation layer switch, the user traffic is directly transmitted through the aggregation switch to the public network.
- A. Direct connection mode + direct forwarding
- B. Side-by-side mode + direct forwarding
- C. Side-by-side mode + tunnel forwarding
- D. Direct connection mode + tunnel forwarding
Answer: B
NEW QUESTION 116
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