[Feb-2022] H12-311 Dumps Full Questions - HCIA-WLAN Exam Study Guide
Exam Questions and Answers for H12-311 Study Guide
NEW QUESTION 149
What is the network consisting of a wireless AP and associated wireless clients?
- A. IBSS
- B. BSS
- C. NSS
- D. ESS
Answer: B
NEW QUESTION 150
The following statement is correct (Select 3 Answers).
- A. WPA2 PSK authentication requires the user to enter a username and password to connect
- B. WAPI is China's wireless LAN national standard system
- C. WPA2 uses 802.1X authentication
- D. When the user obtains the IP address successfully, the user triggers the HTTP packet of the user. At this time, the user is forced to redirect to the portal server to perform the authentication process.
Answer: B,C,D
NEW QUESTION 151
Which of the following protocols are IEEE 802.11 standards Select 3 Answers)?
- A. 802.11s
- B. 802.11i
- C. 802.1X
- D. 802.11a/b/g/n
Answer: A,B,D
NEW QUESTION 152
Which of the following statement is correct about the characteristics of Huawei WLAN products?
- A. Wireless controller can achieve high availability through stacking
- B. After the dual-link backup configuration, if the user adopts the tunnel forwarding mode, the user service will not be interrupted even if the active AC fails.
- C. Huawei's AP radio tuning function is divided into global tuning and local tuning. The local tuning is done independently by the AP.
- D. The switching threshold of WLAN load balancing has two configurations based on session mode and traffic mode.
Answer: D
NEW QUESTION 153
When configuring a WLAN network, which WQ template should be bound to the following template?
- A. security-profile
- B. radio-profile
- C. service-set
- D. traffic-profile
Answer: D
NEW QUESTION 154
Which of the following description for PSK certification is correct? (Multiple Choice)
- A. WPA and WPA2 are both support PSK certification
- B. The process of PSK certification is like the process of shared-key authentication, so the same safety
- C. PSK certification is through four handshake Key negotiation to verify the legitimacy of the STA side Key
- D. PSK certification need to configure the same pre-shared key in the wireless client and equipment client
Answer: A,C,D
NEW QUESTION 155
When an 802.11 packet sent by a STA enters the Ethernet through the AP, it is converted into an 802.3 packet, which is not a priority mapping method.
- A. According to the order in which the packets arrive at the AP
- B. No priority mapping
- C. Different priorities according to different VAP settings
- D. Map the priorities according to UP.
Answer: A
NEW QUESTION 156
The two commonly used units describing antenna gain are dBi and dBd, and the conversion relationship between them is: dBi=dBd+2.14.
- A. True
- B. False
Answer: A
NEW QUESTION 157
How many wireless AP are there in a BSS?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 158
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 159
If a wireless client wants to connect to a WLAN through an AP, what does it connect to over the wireless network?
- A. BSID
- B. IBSS
- C. SSID
- D. BSA
Answer: C
NEW QUESTION 160
When deploy AP on several floors of a building, which of the following factors are needed to pay attention to? (Multiple Choice)
- A. unified planning channel
- B. the material of the wall
- C. other interfering signals
- D. in order not to affect beautiful, AP should be hidden in the ceiling
Answer: A,B,C
NEW QUESTION 161
IEEE is the standards organization responsible for United States radio frequency use.
- A. False
- B. True
Answer: A
NEW QUESTION 162
Which of the following description about Fit AP is correct?
- A. Fit AP can implement 802.1X authentication, encryption and other functions. Others such as QoS and roaming functions are implemented on the wireless controller.
- B. Fit AP cannot be used alone and must be used with the wireless controller
- C. Fit AP is also known as a wireless router.
- D. Fit AP is gradually being replaced by fat AP due to its long absence.
Answer: B
NEW QUESTION 163
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 164
Which of the following features (BCD) (Select 3 Answers) is available for the Huawei WLAN Planning Tool.
- A. Support automatic deployment of AP location
- B. Support automatic identification and identification of obstacles
- C. Support common coverage area and key coverage area division
- D. Support WLAN planning report for export specification
Answer: A,C,D
NEW QUESTION 165
The systematic process of AP RF resource management is.
- A. Acquisition -> Analysis -> Execution -> Decision
- B. Acquisition -> Analysis -> Decision -> Execution
- C. Acquisition -> Decision -> Analysis -> Execution
- D. Analysis -> Acquisition -> Decision -> Execution
Answer: B
NEW QUESTION 166
What are the reasons why users may not be able to connect to the WLAN properly? (Multiple choice)
- A. There are many sources of signal interference around
- B. AP is blacklisted
- C. Weak wireless signal
- D. AP has too many connected users
Answer: A,B,C,D
NEW QUESTION 167
The omnidirectional antenna exhibits a degree of on the horizontal pattern.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 168
Metal items have great influence on the attenuation of wireless signal, the AP or antenna should avoid to place behind the metal ceiling, etc.
- A. True
- B. False
Answer: A
NEW QUESTION 169
Metal objects have a greater attenuation of the wireless signal, and the AP or antenna should be placed behind a metal ceiling or the like.
- A. True
- B. False
Answer: A
NEW QUESTION 170
The IEEE 802.11 standard used to define roaming is
- A. IEEE 802.11h
- B. IEEE 802.11c
- C. IEEE 802.11j
- D. IEEE 802.11r
Answer: D
NEW QUESTION 171
Regarding the networking architecture of AC+Fit AP, which of the following description is wrong?
- A. It can enhance service QoS, security and other functions through AC.
- B. AP itself has zero configuration and is suitable for large-scale networking.
- C. AP cannot work alone and need to be maintenance and management by AC centralized agent.
- D. Management of APs and users must be implemented through the network management system
Answer: D
NEW QUESTION 172
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Huawei H12-311 Exam Syllabus Topics:
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