What are the general methods to solve co-channel interference (). (Select 3 Answers)
support 5GHz What are the wireless LAN standards for frequency
bands ()? (Select 2 Answers)
exist WLAN Involved in the configuration VLAN What kinds of types are there ()?
(Select 3 Answers)
What are the prerequisites for users to achieve three-tier roaming ()?
(Select 3 Answers)
Radio frequency mainly uses spread spectrum technology. Which of the following technologies belong to spread spectrum technology ()? (Select 2 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
Which configuration methods does the wireless controller support ()?
(Select 3 Answers)
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
If you want to create an open authentication security template, the following correct configuration is ().
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.
For outdoor WLAN Cover, the following statement is correct ().
(Select 3 Answers)
The following figure shows the hardware structure of an AirEngine 5760-51. Which of the following statements is true?
In huawei eSight The maximum number of layers supported by the location topology in the network management system is layer ().
Metal objects have a greater attenuation effect on wireless signals, AP Or the antenna should not be placed behind a metal ceiling, etc.
Which of the following statements about antenna classification is correct ()? (Select 2 Answers)
Regarding the functional characteristics of AP6010SN, which of the following statements is correct is ().
(Select 2 Answers)
If it is turned on on the switch PoE The function of this, you can no longer access traditional equipment on these interfaces.
1999 Year, IEEE 802.11a The standard formulation is completed. The standard stipulates that the working frequency band of wireless local area network can reach the transmission rate 11Mbps .
5.15 ~5.825GHz , Data transmission
for AC+ thin AP The network architecture, the following description is wrong ().
Among the following options, which factors will cause users to be unable to search for wireless network signals ()? (Select 2 Answers)
Drag the networking modes on the left to their corresponding characteristics on the right.
Which of the following standards organizations implements WLAN technical interoperability for WLAN equipment certification ()?
For indoor distributed APs, which of the following descriptions is correct is ().
802.11 Wireless LAN CSMA/CA Which of the following are included in the mechanism ()? (Select 3 Answers)
The two commonly used units to describe antenna gain are dBi and dBd , The conversion relationship between them is: dBi=dBd+2.14 .
exist WLAN In the networking configuration, finally AC6605 What command must be executed to send the configuration to AP1 middle()?
Which of the following descriptions of business VLAN is correct is ().
(Select 3 Answers)
Huawei eSight Network management wizard-style configuration WLAN Business needs to be added in the network management first AC equipment.
Huawei Box Wireless Controller AC6605 support twenty four Piece PoE Interface in WLAN Can be directly connected when networking AC of AP Make a supply
Electricity.
After deploying a WLAN, an engineer finds that the corresponding SSIDs cannot be discovered and suspects that some APs failed to go online. To query the APs that have gone online on the AC, the engineer can run the ___ command.
Which of the following protocols support 2.4GHz Frequency band()? (Select 3 Answers)
Which of the following types of frames does a STA receive to obtain surrounding wireless network information during passive scanning?
eSight The network management is Huawei's dedicated network management platform, but it can only manage Huawei's own equipment.
For protection WLAN Security, which of the following measures can be taken? (Select 3 Answers)
In a large wireless network deployment scenario, AC When configured to "Layer 3 networking + bypass mode + direct forwarding", the gateway of the wireless user should. Where is it located ()?
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?
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?
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
().
The electrical performance indicators of the antenna include ().
(Select 3 Answers)
Wireless network engineer WLAN When planning the network, use RF The purpose of simul-ation is (). (Select 3 Answers)
According to the following output, the correct statement below is ().
Huawei Versatile Routing Platform Software
VRP (R) software, Version 5.70 (AC6605 V200R001C00)
Copyright (C) 2003-2012 Huawei TECH CO., LTD
Quidway AC6605-PWR Routing Switch uptime is 0 week, 1 day, 23 hours, 33 minutes
H852V26S 0(Master): uptime is 0 week, 1 day, 23 hours, 33 minutes
512M bytes DDR Memory
128M bytes FLASH
Check the running status of the AC6605.
(Select 3 Answers)
Which of the following functions does the Huawei WLAN planning tool have ()?
(Select 3 Answers)
The basic service set is 802.11 The basic components of a network are composed of a group of workstations that communicate with each other.
802.11 What parameters are used in the frame to reorganize the frame segment ()?
Which of the following 2.4GHz The frequency bands are non-overlapping
channels (). (Select 3 Answers)
The AirEngine 5760-22W can be used as a wall plate AP or a remote unit (RU) in Huawei's Agile Distributed Wi-Fi Solution.
Originally only supported TKIP The wireless network card can be upgraded through the driver to support AES encryption.
Which of the following statements are correct () ? (Select 3 Answers)
(Select 3 Answers)
The following command can configure the port of the Huawei switch as hybrid model()?
A large number of devices appear AP and AC How to deal with the version mismatch failure ().
WLAN The signal passes through which of the following materials with less penetration loss (). (Select 2 Answers)
Regarding the two major PoE standards, the following statement is incorrect ().
(Select 2 Answers)
802.11 In the frame, Frame Control In position Type What is the correct correspondence with the frame format ()?
For the polarization of electromagnetic waves, which of the following descriptions is correct is (). (Select 3 Answers)
If changed AP The configuration parameters of the radio must be restarted AP The order can only take effect.
When collecting fault information, you need to collect device logs, including ___ logs and ___ logs.
If the terminal supports 5GHz and 2.4GHz Function, then AP Can be configured to control this kind of terminal priority access 5GHz .
What was the name of the first radio communication network based on packet technology ()?
Each AC Equipment needs to be specified AC The source of IP Address for peace AP Establish CAPWAP Tunnel, one AC You can specify up to 2 Piece WLAN source IP.
CAPWAP Tunnel encapsulation AC The port number of the side data packet is5246 , The control message port number is5247 .
For one adopts WPA2 PSK Certified and SSID For broadcast wireless networks, users can double-click the username and password to access the network. SSID And enter the correct use
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
Channel utilization is the ratio of the actual transmission rate to the channel bandwidth.
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TESTED 18 Jan 2025
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