H12-311_V3.0 Exam Questions

In order to ensure that there will be no interference between the channels of the WLAN network, which of the following frequency bands belong to the 5.8GHz frequency band used in C...

Antennas are classified according to their directionality and can be divided into () antennas and () antennas. (Multiple choice)

Which of the following are the common source of WLAN interference? (Multiple choice)

In China, which of the following WLAN frequency bands are supported by regulations? (Multiple choice)

Which of the following is controlled by the coverage area size of AP? (Multiple choice)

Which of the following materials does the WLAN signal have less penetration loss? (Multiple choice)

WLAN AP can be powered by (). (Multiple choice)

Which of the following are the factors that need to be considered in AP capacity planning? (Multiple choice)

For outdoor WLAN coverage, which of the following expressions is correct? (Multiple choice)

When deploying APs on multiple floors of a building, the factors that need to be paid attention to are (). (Multiple choice)

Which of the following is correct about power calculation? (Multiple choice)

For dBm, dB, dBi, which of the following is correct? (Multiple choice)

The electrical performance indicators of the antenna include (). (Multiple choice)

What factors are related to the coverage of AP? (Multiple choice)

When planning WLAN in a single area, the factors that affect the number of AP deployment are? (Multiple choice)

When wireless network engineers plan WLAN networks, the purpose of using RF simulation is? (Multiple choice)

Which of the following functions does the Huawei WLAN planning tool have? (Multiple choice)

What are the general methods to solve co-channel interference? (Multiple choice)

The common reason why the AP cannot obtain an IP address is? (Multiple choice)

For the polarization of electromagnetic waves, which of the following description is correct? (Multiple choice)

For the lobe width, which of the following description is correct? (Multiple choice)

Which of the following statements about antenna classification is correct? (Multiple choice)

Commonly used radio frequency cables in WLAN systems are? (Multiple choice)

What are the reasons why AP cannot go online? (Multiple choice)

Which configuration methods does the wireless controller support? (Multiple choice)

In Huawei eSight network management, the method of adding WLAN devices includes? (Multiple choice)

Among the following options, which factors will cause the user to find no wireless network signal? (Multiple choice)

What is the precondition for the user to be able to roam at Layer 3? (Multiple choice)

Which of the following two APs are Huawei outdoor APs? (Multiple choice)

With regard to radio frequency tuning, which of the following adjustments are mainly used to ensure that the AP works in the best state? (Multiple choice)

There are two algorithms for assigning VLAM in VLAN Pool: Sequential Algorithm and Hash Algorithm. Which of the following are the characteristics of Hash Algorithm? (Multiple choic...

In a WLAN network, Spoof spoofing attack packets mainly include which of the following two types of packets? (Multiple choice)

Which of the following benefits can intelligent roaming bring? (Multiple choice)

Which of the following descriptions about dual-link backup is wrong? (Multiple choice)

Which one is wrong about the WLAN Layer 2 and Layer 3 networking methods? (Multiple choice)

What are the two most important inputs in WLAN pre-sales site survey? (Multiple choice)

Which of the following statements is correct about the benefits of packet-by-packet power adjustment? (Multiple choice)

A large enterprise deploys a WLAN network, and some of the SSIDs use the direct forwarding method. Which of the following descriptions about the characteristics of the direct forwa...

Which of the following descriptions about the second Fresnel zone is correct? (Multiple choice)

An engineer wants to modify the user information on the Agile Controller, but finds that it cannot be modified. What is the possible reason? (Multiple choice)

As shown in the figure, in the dual-link cold standby load sharing network, the configuration is as shown in the figure, AP1 has been online, and AC1 and AP1 have established a mai...

As shown in the picture (just remember the answer) (Multiple choice)

As shown in the figure, which is the correct label for the Fresnel area? (Multiple choice)

An engineer was unable to establish a connection with the AD server during the process of configuring Agile Controller. The engineer checked that the IP address of the AD directory...

As shown in the figure, regarding the N+1 backup network, which of the following descriptions is correct? (Multiple choice)

In the N+1 backup network shown in the figure, a total of 300 APs from AP1 to AP300 go online in AC1, a total of 400 APs from AP301 to AP7000 go online in AC2, and AC3 can be confi...

Only four channels 1, 5, 9, and 13 can be used in a WLAN network. After channel adjustment, as shown in the figure, which one is correct? (Multiple choice)

Which of the following is correct about the Fresnel radius formula and the earth curvature formula? (Multiple choice)

As shown in the figure, which of the following statements is correct about the dual-machine hot backup solution? (Multiple choice)

Which of the following antenna patterns are omnidirectional antenna patterns? (Multiple choice)