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.
Spread spectrum ( spread-spectrum ) Technology is to use ISM The basis of frequency band transmission of wireless data.
Telnet is one of the ways to manage AP remotely. Telnet authentication based on username and password can be realized through configuration.
If the terminal supports 5GHz and 2.4GHz Function, then AP Can be configured to control this kind of terminal priority access 5GHz .
exist 802.1X In the agreement, you must have () to be able to complete the authentication and authorization of the user. (Select 3 Answers)
original 802.11 What is the working frequency band used by the agreement ()?
Barker Code is a 11 Bit sequence (e.g. 10110111000 ), there are advantages in wireless transmission, which can effectively reduce interference, but it reduces efficiency.
for dBm ,dB,dBi, The following description is correct ().
(Select 3 Answers)
Which configuration methods does the wireless controller support ()?
(Select 3 Answers)
What frame does the wireless client actively scan to obtain the surrounding wireless network information ()?
Configuration AP Authentication mode, AP What are the supported authentication methods
()? (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 the lobe width, which of the following descriptions is correct is (). (Select 3 Answers)
Which two of the following are PoE The power supply standard ()? (Select 2 Answers)
Which of the following descriptions of power splitters and couplers are correct is ().
The index used to describe the degree of antenna convergence of the transmit power is (
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= ().
The following transmission rate can reach 54Mbps What are the wireless LAN standards and above ()? (Select 3 Answers)
About Huawei WLAN Description of the characteristics of the product, the following statement is correct ().
Which of the following are the relevant parameters of the Traffic template ().
(Select 2 Answers)
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 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
In an 802.11 frame, what kind of control message () should be sent by the terminal to obtain access to the wireless medium?
802.11 What parameters are used in the frame to reorganize the frame segment ()?
802.11n exist 20M How many sub-carriers can be used to transmit data in the mode ()?