H12-311_V3.0 Exam Questions

An antenna is different from a signal amplifier. It is a passive device that does not need power supply, but only guides and shapes wireless signals.

In the feature of uninterrupted channel switching service, the AP and the terminal agree on the time to switch the channel synchronously. The beacon frame is used as the time point...

In smart roaming, a terminal that supports 802.11k can actively collect surrounding neighbor AP information and report it to the associated AP.

The AP periodically sends Discovery Request messages to check the status of the original primary link. When the link recovers, the AP detects that the priority level of the link is...

In some special environments, it is necessary to use more APs. The channels cannot be completely separated. Therefore, it is possible to consider appropriately reducing the transmi...

When testing the attenuation of obstacles in the WLAN site survey, the signal source needs to be placed in a suitable position. There is no occlusion between it and the obstacle to...

In WLAN bandwidth design, the average bandwidth of access users decreases linearly with the increase of users.

The use of directional antennas in any country can significantly increase the coverage area of WLAN

When the 2.4G frequency band is used for coverage in the case of dense WLAN users and a large number of APs, the H40 method can be used to increase the bandwidth.

4G frequency band; otherwise, the terminal is considered to be a dual-band terminal. The same logic applies to 5G radios.

According to different scenarios, the AC or AP can be set as the home agent in the Layer 3 roaming of the direct forwarding network. When an AP is set as a home agent, tunnel forwa...

Part of the radio frequency tuning process, about the operation steps of radio frequency tuning

Please sort the establishment process of the Mesh connection.

Configure the process for some radio frequency tuning, about the configuration process of radio frequency tuning

There are three backup technologies for WLAN high reliability. Please match each backup technology with the corresponding description.

What is the default authentication mode supported by AP?

What is available of the following that support the 802.11 standard of 5G frequency band? (Select 3 Answers)

Which of the following description for PSK certification is correct? (Select 3 Answers)

Which of the following options are EDCA parameters (Select 2 Answers)?

There are many video conferences in large companies, and QoS generally adopts the service model.

The following is an incorrect way to refer to AP access control (Select 2 Answers).

Regarding the characteristics of Huawei WLAN products, the following statement is correct.

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

Which of the following are related parameters of the Traffic template (Select 2 Answers).

When an 802.11 packet sent by a STA enters the Ethernet through the AP, it is converted into an 802.3 packet, which is not a priority mapping method.

The Int-Serv model provides users with end-to-end absolute QoS guarantees, but the reason for the lack of successful large-scale commercial use is.