HCNA-WLAN V2.0 Certification H12-311-ENU Dumps Questions Updated

1. IEEE is the standards organization responsible for United States radio frequency use.

2. What are the common causes for AP can't get IP address? (Multiple Choice)

3. Assume that the transmit power of AP is 1mW, it is () dBm after converted to dBm.

4. The number of user terminals in an indoor WLAN network is 300, and the peak concurrency rate is 70%. The terminal supports the 2.4 GHz and 5 GHz frequency bands. According to the maximum number of users per AP dual-frequency, at least () APs can meet the capacity requirements.

5. With which of the following ways does the antenna get the gain?

6. Which of the following description for PSK certification is correct? (Multiple Choice)

7. What is available of the following that support the 802.11 standard of 5G frequency band? (Multiple Choice)

8. What is the default authentication mode supported by AP?

9. The port of the CAPWAP protocol control channel is UDP5247, and the port of the data channel is UDP5246.

10. How many management nodes can be supported by eSight standard edition?

11. In the following Huawei AP, which can support 802.11ac? (Multiple Choice)

12. The networking mode can be divided into direct-connected networking and side-hanging networking based on the location of the AC on the network.

13. The gain size of antenna can explain ().

14. The two commonly used units describing antenna gain are dBi and dBd, and the conversion relationship between them is: dBi=dBd+2.14.

15. In the following options, the role of the AP in the Huawei Mesh network is (). (Multiple Choice)

16. The correct steps for using the Huawei WLAN planning tool are ().

17. If the AP work is in infrastructure mode, then currently, AP working condition is full-duplex mode.

18. What kind of technology belongs to Wireless MAN in the folllowing?

19. Which of the following option is a prerequisite for starting load balancing function based on AP?

20. Mesh networking is defined in which of the following 802.11 protocol standard?

21. When the coverage area is more and more severe in the 1 channel of the 2.4 GHz band, adjusting the device to 3 channels can effectively reduce interference.

22. What factors of the following will lead to users can not search wireless network signal? (Multiple Choice)

23. Which of the following standard is set by WiFi Alliance? (Multiple Choice)

24. Which kinds of modulation mode does below figure belong to?

25. How much bandwidth is each 802.11g frequency band channel?