H12-311 Online Practice Questions and Answers

How many channels does China support in the 2.4 GHz band?

A. 11

B. 13

C. 3

D. 5

If a wireless client wants to connect to a WLAN through an AP, what does it connect to over the wireless network?

A. SSID

B. IBSS

C. BSID

D. BSA

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

What are the technical advantages of 802.11n over 802.11a/b/g?

A. Maximum theoretical transmission rate is increased to 600Mbps

B. Downward compatible with 802.11a/b/g protocol

C. Support MIMO technology

D. The other three items are correct

The upgrade operation of the Huawei wireless controller AC6605 can only be performed on the wired side of the controller.

A. True

B. False

Which of the following is the command to restart the AC6605?

A. reload

B. reboot

C. [Quidway]reload

D. [ Quidway] reboot

The following statement is correct (Select 3 Answers).

A. WPA2 PSK authentication requires the user to enter a username and password to connect

B. When the user obtains the IP address successfully, the user triggers the HTTP packet of the user. At this time, the user is forced to redirect to the portal server to perform the authentication process.

C. WPA2 uses 802.1X authentication

D. WAPI is China's wireless LAN national standard system

The following options are prerequisites for starting the Huawei load balancing function.

A. AP belongs to the same type

B. The AP is under the same AC management, and the signals between the APs overlap.

C. STA can scan APs that are load balanced with each other.

D. AP's output power setting is consistent

The indicator used to describe the extent to which the antenna converges on the transmit power is.

A. Broadband

B. Power

C. Gain

D. Polarity

What is the coverage of the AP (Select 3 Answers).

A. AP transmit power

B. Antenna gain

C. AP size

D. Transmission loss