CAPWAP The port number of the control message of the tunnel protocol is ().
802.11a exist 20M How many sub-carriers can be used to transmit data in the mode ()?
Which of the following statements about Layer 2 and Layer 3 roaming are true?
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.
When coverage area 2.4GHz Frequency band 1 When channel interference is large and severe, adjust the device to 3 Channel, can effectively reduce interference.
802.11n exist 20M How many sub-carriers can be used to transmit data in the mode ()?
original 802.11 What is the working frequency band used by the agreement ()?
thin AP Find AC In the process, the first step is AP Check if there is pre-configured static AC of IP List.
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
802.11 In the frame, RTS and CTS What is the interframe interval between ()?
for AC6605 , The following command () can be used to view AP Is it online?
Originally only supported TKIP The wireless network card can be upgraded through the driver to support AES encryption.
Huawei Wireless Controller AC6605 The upgrade operation can only be performed on the wired side of the controller.
Drag the networking modes on the left to their corresponding characteristics on the right.
In enterprise office scenarios, 40 MHz channel bandwidth is usually configured on the 2.4 GHz frequency band.
Which of the following protocols support 2.4GHz Frequency band()? (Select 3 Answers)
For outdoor WLAN Cover, the following statement is correct ().
(Select 3 Answers)
AC6605 supports three ways to establish AP and AC intercommunication, what are the differences ()?
(Select 3 Answers)
CAPWAP Which of the following standards organization proposed the agreement ()?
The following () service model can provide end-to-end QoS services, but the scalability is not good.
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.
What frame does the wireless client passively scan to obtain the surrounding wireless network information ()?
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)
Which of the following types of frames does a STA receive to obtain surrounding wireless network information during passive scanning?
Huawei AC6605 What is the command to switch between the wired side and the wireless side ()?
Huawei eSight Network management wizard-style configuration WLAN Business needs to be added in the network management first AC equipment.
Which of the following standards organizations implements WLAN technical interoperability for WLAN equipment certification ()?
original 802.11 What is the maximum rate supported by the protocol Mbps ()?
In the following command (), you can view the current version information.
Which of the following statements is true about the coverage distance design principles of a single AP (20 dBm)?
Telnet is one of the ways to manage AP remotely. Telnet authentication based on username and password can be realized through configuration.
If there is a high demand for WLAN capacity in a coverage area, the construction method of () should be considered.
If it is turned on on the switch PoE The function of this, you can no longer access traditional equipment on these interfaces.
Which of the following agreements are IEEE customized 802.11 standard() ? (Select 3 Answers)
To the following WLAN In the description of the network diagram, the error is ().
Antennas are classified according to directivity and can be divided into () antennas and () antennas.
(Select 2 Answers)
How many management nodes () does eSight Standard Edition support at most?
Among the following options, () is the reason for using 5G priority access.
Among the following obstacles, () has the largest loss of wireless signals.
When collecting fault information, you need to collect device logs, including ___ logs and ___ logs.
WLAN When configuring the network, WMM Which of the following templates should the template be bound to ()?
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?
The equipment manufacturer can usually be judged according to the following ().
eSight The network management is Huawei's dedicated network management platform, but it can only manage Huawei's own equipment.
802.11b Which channels in the protocol do not overlap each other()? (Select 3 Answers)
exist PoE Terminology PSU Full name is Power Supply Unit , Refers to the power supply unit, such as PoE The Ethernet interface of the switch.
Wireless network engineer WLAN When planning the network, use RF The purpose of simul-ation is (). (Select 3 Answers)
If the wireless client wants to pass AP Connected to WLAN , Then what is it through to connect to the wireless network ()?
In a dual-link backup network, AP According to what distinguishes the main use AC And spare AC of()?
(Select 3 Answers)
Among the following priority queues, the () queue has the highest default priority.
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.
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
Which of the following types of frames does a STA send to obtain surrounding wireless network information during active scanning?
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?
WDS Technology improves the flexibility and convenience of the entire network structure, but it can only support point-to-point working mode.
In order to facilitate management and maintenance, AP The power supply mode is generally preferred to select () for power supply.
Among the following options, the common WLAN The source of interference is ().
(Select 3 Answers)
Which of the following is IEEE A wireless local area network standard originally formulated ()?
Regarding the telnet management of AC6605, the following statement is wrong ().
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
802.11 What parameters are used in the frame to reorganize the frame segment ()?
Which of the following statements about region is correct ()?
(Select 3 Answers)
The following figure shows the hardware structure of an AirEngine 5760-51. Which of the following statements is true?
For the lobe width, which of the following descriptions is correct is (). (Select 3 Answers)
Which of the following are the relevant parameters of the Traffic template ().
(Select 2 Answers)
There are three ways to judge Huawei's load balancing: traffic mode, session mode, and virtual switching mode.
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)
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.
IEEE It is the standards organization responsible for the use of wireless frequencies in the United States.
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.
In the direct-connected networking solution, AP and AC Establish CAPWAP Tunnel, the management flow must be encapsulated in CAPWAP In the tunnel, data service
The stream can be optionally encapsulated in CAPWAP In the tunnel.
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.