H12-311_V3.0-ENU V1

To create a user for Huawei's AC, first use the aaa command to enter the view.A . True B. FalseView AnswerAnswer: A

Which of the following standards organizations implements WLAN technology interoperability for WLAN equipment certification?A . WiFi Alliance B. IEEE C.IETF D. FCCView AnswerAnswer: A

In the 802.11 frame, what type of frame does the STA 's association request and authentication request belong to?A . Data frame B. Control frame C. Management frame D. Data frames, control frames, and management frames all have this functionView AnswerAnswer: C

What is the distance between the center frequencies of each channel in the 2.4 GHz band?A . 20 MHz B. 22 MHz C. 5 MHz D. 10 MHzView AnswerAnswer: C

Which of the following technologies belongs to wireless metropolitan area network?A . 2G/3G B. WLAN C. Bluetooth D. WiMAXView AnswerAnswer: B

If the wireless client wants to connect to the WLAN through the AP, what does it use to connect to the wireless network?A . SSID B. IBSS C. BSID D.BSAView AnswerAnswer: A

How many channels can the 2.4 GHz frequency band be divided into?A . 14 B.13 C.11 D.3View AnswerAnswer: A

How many channels does China support in the 2.4GHz frequency band?A . 11 B.13 C.3 D.5View AnswerAnswer: B

If an 802.11n AP supports 2*2 MIMO technology, what is the theoretical rate of this AP?A . 150 Mbps B. 300 Mbps C. 450 Mbps D. 600 MbpsView AnswerAnswer: B

Huawei wireless controller AC6605 supports user access security management through security templates, and supports four security policies: WEP, WPA/WPA2, and WAPI.A . True B. FalseView AnswerAnswer: A