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質問 # 157
In the WAC cloud management architecture, Huawei's cloud management platform iMaster NCE- Campus is mainly used to uniformly manage and configure wireless devices. Before 1C is injected into iMaster lCE-Campus, which of the following methods can be used to switch WAC to cloud mode? (Multiple choice)
- A. DHCP method
- B. CicudCampus APP
- C. Registration Center
- D. Command line
正解：A、C、D
質問 # 158
In the 80211 frame, STA's association request and authentication request belong to which type of frame?
正解：
解説：
Management Frame
質問 # 159
A user group consists of which three parts? (Multiple choice)
- A. QoS template
- B. Group Isolation Strategy
- C. Roaming strategy
- D. Encryption Strategy
- E. ACL policy
正解：A、C、E
質問 # 160
The highest Wi-Fi standard of a certain indoor AP is 802.11ax, the MIMO number can reach 12-
12:8, and it supports dual-radio and triple-radio modes. Which of the following descriptions about the AP is wrong?
- A. There are 12 antennas at the transmitting end
- B. Supports up to 12 spatial streams
- C. Can use 2.4GHz and 5GHz bands at the same time
- D. There are 12 antennas at the receiving end
正解：C
質問 # 161
The demand collection stage is the first and most important step in WLAN network planning. If complete and effective information is not obtained during demand collection, the subsequent network planning may not proceed smoothly and may even require redesign.
- A. False
- B. True
正解：B
質問 # 162
CampusInsight supports application analysis, monitors network-wide applications, and visualizes overview data such as application numbers and traffic. This function relies on the device reporting traffic statistics to CampusInsight, which supports two types of traffic statistics reporting:
NetStream-based reporting and application-based reporting.
When selecting application-based reporting, which of the following functions needs to be enabled on the wireless controller?
- A. SAC
- B. RF Tuning
- C. DFI
- D. DA channel scan
正解：A
質問 # 163
In wireless network coverage optimization, unreasonable AP point deployment will affect the coverage effect, so it is necessary to replace the AP point and redeploy it. Which of the following descriptions about AP point selection are correct? (Multiple choice)
- A. It is recommended to deploy APs separately at intersections or corners to ensure signal coverage continuity
- B. For continuous multi-room coverage scenarios, if the wall structure is concrete, it is recommended that one AP cover one room.
- C. In office scenarios, the AP should be installed at a distance from the load-bearing column to avoid excessive signal attenuation.
- D. When one AP covers a room, it is recommended to install the AP in the center of the room.
正解：A、B、C
質問 # 164
When the active/standby switchover occurs in a dual-link hot backup scenario, the switching time is long, which may cause interruption of service data forwarded by the tunnel or inability of new users to go online.
- A. False
- B. True
正解：B
質問 # 165
In an agile distributed network consisting of AirEngine series central APs and RUs, a CAPWAP control tunnel is established between the RU and the WAC. Which of the following descriptions of the role of this CAPWAP control tunnel are correct? (Multiple choice)
- A. In direct forwarding mode, it is used by RU to forward service data to WAC
- B. Used by WAC to send service configuration to RU
- C. Maintain the connection status between WAC and RU
- D. Used by WAC to manage RU
正解：A、B、C、D
質問 # 166
An engineer configures the dynamic load balancing function on a Huawei wireless controller. The relevant command lines are as follows. Which options are correct regarding the description of the configuration command lines? (Multiple choice)
- A. If the terminal signal strength is lower than -70 DBm, the AP will directly filter the terminal information, will not report it to WAC, and will not be added to the dynamic load balancing group.
- B. The above configuration is dynamic load balancing based on the number of users
- C. Dynamic load balancing is enabled
- D. Dynamic load balancing will only be performed when the number of access users exceeds 20
正解：A、B、C、D
質問 # 167
In the cloud campus network solution, iMaster NCE-Campus manages APs through the () protocol.
正解：
解説：
CAPWAP
質問 # 168
The data backup in the WAC backup process is implemented through HSB (Hot Standby Backup). HSB supports multiple data synchronization methods. Among them, the scheduled synchronization method further ensures that the table items on the primary and backup devices are completely consistent. The backup device will check whether its existing session table items are consistent with the primary device every () minutes. If they are inconsistent, the session table items on the primary device will be synchronized to the backup device.
正解：
解説：
30
質問 # 169
In the WLAN network optimization solution, which of the following descriptions about networking optimization are correct? (Multiple choice)
- A. It is recommended that AP avoid setting both management VLAN and user service VLAN to 1 to prevent loops.
- B. For medium and large enterprises, since they have a large number of APs, different service VLANs can be used when setting different SSIDs.
- C. It is recommended to separate the AP/WAC management address from the user business address for easy management and control
- D. In coverage scenarios with high user mobility, it is recommended to shorten the address pool lease period so that addresses can be recovered in a timely manner.
正解：A、B、C、D
質問 # 170
Which of the following challenges are faced in wireless coverage in high-density WLAN scenarios? (Multiple choice)
- A. Complex scenarios and limited equipment installation
- B. High concurrency rate and serious interference within the system
- C. There are many user terminals and the types are concentrated
- D. The wall structure is complex and the wall penetration loss is large
正解：A、B、C、D
質問 # 171
In medical scenarios, since wards, clinics and other areas are composed of multiple isolated small rooms, panel APs or agile distributed RUs can be used to cover each small room.
- A. False
- B. True
正解：B
質問 # 172
Huawei terminal dial test function is integrated in CloudCampus APP. After the terminal is associated with the wireless signal, open the terminal dial test tool in the APP to test. After the test is completed, the report can be exported on the Campusinsight platform
- A. False
- B. True
正解：B
質問 # 173
Which of the following is the default management SSID name when the AP is in FITAP or Cloud AP mode?
- A. xxxx is the unsigned 4-digit AP MAC address.
- B. HUAWEI-LeaderAP-xxxx, where xxxx is the last four digits of the AP MAC address
- C. HUAWE xxxx xxxx is the last four digits of the AP MAC address
- D. HUAWE lmanage xxxx, where xxxx is the last four digits of the AP MAC address
正解：A
質問 # 174
A Huawei AP supports the Wi-Fi 6 protocol. In dual-radio mode, the maximum MIMO number of the 5G radio can reach 8. When the 5G radio is configured to work at 160MHz bandwidth and accesses a terminal that supports the Wi-Fi 6 protocol, 160MHZ bandwidth and 2x2 MIMO number, what is the maximum theoretical rate of the terminal?
- A. 4.8 Gbps
- B. 2.4 Gbps
- C. 1.2 Gbps
- D. 9.6 Gbps
正解：D
質問 # 175
Export CAD drawings using WLAN Planner. Which of the following information can be included in the CAD drawings? (Multiple choice)
- A. Obstacles
- B. Simulation Effect
- C. AP Type
- D. AP Name
正解：A、B、C、D
質問 # 176
An engineer configures the dynamic load balancing function on a Huawei wireless controller. The relevant command lines are as follows. Which options are correct regarding the description of the configuration command lines? (Multiple choice)
- A. If the terminal signal strength is lower than -70 dBm, the AP directly filters the terminal information and will not report it to the WAC or be added to the dynamic load balancing group.
- B. The above configuration is dynamic load balancing based on the number of users
- C. Dynamic load balancing is enabled
- D. Dynamic load balancing will only be performed when the number of access users exceeds 20
正解：A、C、D
質問 # 177
In WLAN networks, antenna gain is closely related to antenna radiation pattern. The wider the main lobe of the radiation pattern, the smaller the side lobe, the higher the gain, and the longer the distance of radio wave propagation.
- A. False
- B. True
正解：A
質問 # 178
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