HCIA-WLAN V3.0
Last Update Sep 30, 2025
Total Questions : 338
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What are the general methods to solve co-channel interference (). (Select 3 Answers)
IEEE It is the standards organization responsible for the use of wireless frequencies in the United States.
What are the prerequisites for users to achieve three-tier roaming ()?
(Select 3 Answers)
When collecting fault information, you need to collect device logs, including ___ logs and ___ logs.
Antennas are classified according to directivity and can be divided into () antennas and () antennas.
(Select 2 Answers)
Which of the following statements about Huawei's agile distributed Wi-Fi solution is false?
The lobe width is a very important parameter commonly used in directional antennas. It refers to the width of the antenna's radiation pattern below the peak (.)dB The angle of the premises
Which of the following are AP Factors to consider in capacity planning ().
(Select 3 Answers)
The index used to describe the degree of antenna convergence of the transmit power is (
exist WDS In the networking, it is connected to AC connected AP What is usually called ()?
802.11n exist 20M How many sub-carriers can be used to transmit data in the mode ()?
802.11 What parameters are used in the frame to reorganize the frame segment ()?
Which of the following agreements are IEEE customized 802.11 standard() ? (Select 3 Answers)
What was the name of the first radio communication network based on packet technology ()?
AC6605 supports three ways to establish AP and AC intercommunication, what are the differences ()?
(Select 3 Answers)
AP If you want to pass DNS Server fetch AC of IP Address, first get your own IP address,DHCP Server and DNS of IP address.
If one 802.11n of AP support 2*2 of MIMO Technology, then this AP What is the theoretical rate of ()?
Capacity planning mainly starts from the aspects of equipment performance, number of users, bandwidth requirements, and wireless environment, and estimates the amount required to meet the business volume. AP number
quantity.
The MEth0/0/1 interface of AC6605 is used for in-band network management. The default address is: 192.168.1.1/24, and it cannot be modified.
Which of the following wireless frames are control frames ()? (Select 3 Answers)
If a STA is associated with an SSID that is the same on two APs, which of the following is used to identify the AP to which a STA is connected?
802.11 The parameter used in the frame to check the integrity of the received frame is ()
Regarding the two major PoE standards, the following statement is incorrect ().
(Select 2 Answers)
Which of the following statements is true about shared key authentication?
The following description of the classification and functions of Huawei APs, the correct statement is ().
(Select 3 Answers)
Same user VLAN And the same SSID All wireless users can access the Internet, but they can’t access each other. What may be the cause of this phenomenon ()?
MIMO(Multiple input and multiple output) The client can use at most 3 Two spatial streams transmit data at the same time, and the maximum theoretical rate can reach , That is, multiple input and multiple output, using 600Mbps . 802.11n Technology wireless access point and guest
PPPoE Certified in WLAN When used, and WLAN The authentication encryption used by itself does not matter.
according to AP and AC The inter-network architecture can divide the networking mode into two-tier networking and three-tier networking.
802.11 In the frame, Address Which address bit represents the address of the receiving end of the frame ()?
802.11 In the frame, it means that the wireless station AP When sending a signal, To DS and From DS What are the values of ()?
If connected to the same SSID Of wireless clients want to start from a AP Roam to another AP, Then two AP The area where the signal overlaps between. What is the general range ()?
Which of the following statements is true about the coverage distance design principles of a single AP (20 dBm)?
If you want to create an open authentication security template, the following correct configuration is ().
exist 802.1X In the agreement, you must have () to be able to complete the authentication and authorization of the user. (Select 3 Answers)
According to the following output, the following statement is correct ().
AC6605-26-PWR's Device status:
Slot Sub Type Online Power Register Status Role
-----------------------------------
0-AC6605-26 Present PowerOn Registered Normal Master
POWER Present PowerOn Registered Normal NA
(Select 2 Answers)
Which of the following authentication modes belong to link authentication?
AP Transmit power 20dBm , Antenna gain 4dBi , Cable and device loss 1dB , Terminal receiving antenna gain 2dBi , Space propagation loss 80dB , Terminal receiving level RSSI= ().
Huawei AC6605 What is the command to switch between the wired side and the wireless side ()?
Which of the following options is 802.11g The maximum rate supported by the protocol ()?
802.11n Standard uses dual band (2.4GHz and 5GHz ), the theoretical transmission rate can reach up to 300Mbps, The actual test rate can reach arrive 100Mbps above.
The following command can configure the port of the Huawei switch as hybrid model()?
for AC6605 , The following command () can be used to view AP Is it online?
In the following command (), you can view the current version information.
The distance between the center frequencies of the two channels is less than or equal to
In order to avoid adjacent channel interference during domain channel planning, the same channel is not allowed to be used.
25MHz When there is an overlapping area between the channels, there will be some interference, so in the adjacent area
Among the following options, the common WLAN The source of interference is ().
(Select 3 Answers)
about 5G The working principle of priority, the following statement is correct ().
Which of the following descriptions of business VLAN is correct is ().
(Select 3 Answers)
Huawei Wireless Controller AC6605 The upgrade operation can only be performed on the wired side of the controller.
dBm is a unit for measuring signal strength, and this can be converted into a value in mW. Which of the following unit conversions are true?
CAPWAP The agreement is made by IEEE Standards organization in 2009 year 4 One of the month WLAN Standard for AC And thin AP Communication between.
How many management nodes () does eSight Standard Edition support at most?
For protection WLAN Security, which of the following measures can be taken? (Select 3 Answers)
Which of the following options is the frequency range supported by China 5GHz Frequency band()?
In huawei eSight The maximum number of layers supported by the location topology in the network management system is layer ().
Which of the following statements about establishing CAPWAP control and data tunnels are false?
Which of the following statements are correct () ? (Select 3 Answers)
(Select 3 Answers)
STA issued 802.11 Message to pass AP When entering the Ethernet, it is converted to 802.3 Packets that are not in the priority mapping method are
().
For areas with roaming needs, adjacent AP Coverage remains 50% The above overlap to ensure that the terminal is AP Smooth switching between.
For the polarization of electromagnetic waves, which of the following descriptions is correct is (). (Select 3 Answers)
In a point-to-multipoint networking environment, one device serves as the central device, and all other devices only establish wireless bridges with the central device to realize the interconnection of multiple networks. The disadvantage is that the intercommunication of multiple branch networks must be forwarded through the central bridge device.
exist 802.11 In the frame, which type of message is used by the terminal to receive data packets in the power-saving mode?
For the following WLAN networking configuration, which statement is correct ().
(Select 3 Answers)
If there is a high demand for WLAN capacity in a coverage area, the construction method of () should be considered.
Which of the following functions does the Huawei WLAN planning tool have ()?
(Select 3 Answers)
Point-to-point wireless bridges can be used to connect two networks located at different locations. In the wireless backbone connection, they are set to different channels. Root AP and Leaf AP Should be set
An engineer takes an AP to a shopping mall for onsite WLAN surveying, with only a simple building map and no known obstacles. During onsite signal attenuation test, the AP works in ___ mode.
2.4 GHz What is the distance between the center frequencies of the channels in the frequency band ()?
By a wireless AP And what is the network of associated wireless clients called ()?
According to the following configuration example, the following statement is correct ().
[AC] dhcp enable
[AC] interface VLANif100
[AC-VLANif100] ip address 10.1.100.1 24
[AC-VLANif100] dhcp select interface
[AC-VLANif100] quit
As a guarantee WLAN There will be no interference between the various channels of the network, which of the following frequency bands belong to China5.8GHz Use frequency band()? (Select 2 Answers)
original 802.11 What is the maximum rate supported by the protocol Mbps ()?
In the WDS point-to-point network, the backbone link between Root AP and Leaf AP is connected in the 5GHz frequency band. The frequency band is 149. Which of the following frequency bands () should Leaf AP use?
TESTED 30 Sep 2025
