H12-311 Online Practice Questions and Answers

What is the maximum rate supported by the original 802.11 protocol?

A. 1

B. 2

C. 5.5

D. 11

Which of the following options is the maximum rate supported by the 802.11g protocol?

A. 11Mbps

B. 22Mbps

C. 54Mbps

D. 108Mbps

The 802.11 physical layer standard defines some common operations of the wireless network at the physical layer: operations such as QoS, security, and roaming.

A. True

B. False

Which of the following is included in the 802.11n MAC layer improvement technology (Select 2 Answers)?

A. Frame aggregation technology

B. MIMO technology

C. Block confirmation technology

D. Beamforming technology

Huawei AC controller AC6605 supports user access security management through security templates and supports WEP, WPA/WPA2, and WAPI security policies.

A. True

B. False

Among the following options, it is not the main purpose of roaming.

A. Avoid excessive authentication time during roaming, resulting in packet loss or even service interruption.

B. Ensure user authorization information remains unchanged.

C. Ensure that the user's IP address is unchanged.

D. Ensure that the user's network rate is unchanged.

The AP can provide power and data transmission through the POE switch.

A. True

B. False

The size of the coverage area of the AP is controlled by means (Select 2 Answers).

A. Adjust the angle of the AP antenna

B. Adjust the transmit power of the AP

C. Adjusting the power supply of the AP D. Adjusting the access bandwidth of the AP

The following is not the AP binding template .

A. Radio frequency template

B. AP template

C. ESS template

D. Planning table template

In Huawei eSight, the method of adding WLAN devices includes (Select 3 Answers).

A. Add manually

B. Add automatically

C. Add in batches

D. Add script