最新なH3C GB0-342-ENU問題集（340題）、真実試験の問題を全部にカバー！

質問 1：
Which description is correct about WIPS for wireless intrusion detection?
A. The WIPS function can detect the flood attack of 802.11 antenna packets, and can automatically add to the blacklist after detection
B. WIPS function can attack illegal AP or station
C. Antenna EIPS (WIPS) can detect potential safety hazards in time and provide early warning of safety strategies by scanning communication and collecting airborne information.
D. The AP with WIPS function enabled can not only provide wireless service, but also perform detection and scanning
正解：A,B,C,D

質問 2：
The correct description for the hierarchical AC function is ____.
A. CentralAC is responsible for the management of the entire wireless network, LocalAC is responsible for AP access and forwarding data traffic
B. The Central AC and LocalAC cannot be interconnected across the public network.
C. Hierarchical AC improves the maintainability and scalability of wireless networks on the basis of guaranteed performance.
D. The layered AC architecture provides a mechanism for combining centralized management with distributed control.
正解：A,C,D

質問 3：
In the 802.11b/g protocol, there are a total of 13 channels (1--13) open in China. Please select 3 channels that do not interfere with each other from these 13 channels. Which of the following groups is correct?
A. 1 , 5 , 9
B. 1 , 6 , 11
C. 1 , 2 , 3
D. 2 , 7 , 12
正解：B,D

質問 4：
Which of the following statements about antenna gain is correct?
A. The higher the gain of the antenna, the better, using the antenna with large gain can obtain greater transmit power
B. The larger the antenna gain, the smaller the coverage angle
C. The higher the gain of the antenna, the higher the degree of signal convergence
D. The selection of the antenna should meet the requirements of the coverage scenario, not the bigger the gain, the better
正解：B,C,D

質問 5：
When 802.11n works in the 2.4GHz frequency band, the number of non-interfering channels that can be provided in the 40-bandwidth mode is ______.
A. 0
B. 1
C. 3
D. 2
正解：C

質問 6：
In the wireless network survey and design, when covering floors and areas with business requirements, the received signal strength of more than 95% of the target coverage area should be greater than or equal to _____ (experience value, applicable to most wireless network cards) Key coverage Regional signal strength should be greater than or equal to ____
A. -90dBm; -85dBm
B. -80dBm; -75dBm
C. -75dBm; -70dBm
D. -85dBm : -80dBm
正解：C

質問 7：
How to modify the name of SSID in wlan service- -e template on H3C wireless controller?
A. Enter "ssid****" directly in the service-template view to modify
B. In the service-template view, first enter service-template disable", then enter "ssid****", and finally enter "service-template enable" to complete the modification of an SSID name
C. You cannot modify the SSID name in the wlan service-template, you can only delete the original service-template, then create a new service-template and enter a new SSID name to achieve the purpose of modifying the SSID name
D. Enter "radio disable" in the AP's radio view, and then enter "ssid***" in the service-template view to modify
正解：B

質問 8：
The configuration is as follows. Assuming that 13 wireless clients have been connected to the SSID "H3C" of ap1 radio1 at this time, according to the above configuration, the SSID "VIP" of ap1 radio1 can still connect to ______ at most.

A. 20
B. 10
C. 15
D. 7
正解：D

質問 9：
What modules are included in the WLAN optimization service product:
A. WIFI Network Optimization Evaluation Service
B. WIFI network AC special optimization service
C. WIFI network optimization management system
D. WIFI network optimization implementation service
E. AC Log Analysis System
F. WIFI network quality of service element testing service
正解：A,B,C,D,E,F