H12-311_V3.0 Sample Questions Answers

CCMP Encryption ratio TKIP Encryption security is high because of ().

Huawei plug-in controller ACU Board manageable AP What is the maximum number of ()?

802.11g What is the bandwidth of each channel of the frequency band ()?

2.4 GHz How many channels () can the frequency band be divided into at most?

WEP The encrypted data algorithm uses () algorithm.

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

(Select 3 Answers)

802.11 Frame, when the network uses WDS When the model is signaled, To DS and From DS What are the values of ()?

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.

thin AP In the networking, which of the following authentication methods is not required in the authentication process AC participate().

AP able to pass POE The switch performs power supply and data transmission.

Used as AP and AC Establish CAPWAP tunnel VLAN What is it VLAN ()?

Which of the following options belong EDCA Parameters? (Select 2 Answers)

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.

Huawei Wireless Controller AC6605 The upgrade operation can only be performed on the wired side of the controller.

The following command can configure the port of the Huawei switch as hybrid model()?

Not loaded license Time AC6605 Supported by default AP The number is ().

For Huawei AC To create a user, first use aaa Command to enter the view.

Configure the security policy of the wireless network as WEP , You need to AC6605 The security template is configured as follows ().

20dBm Equivalent to () mW .

Which of the following standards are WiFi Developed by the alliance ()? (Select 2 Answers)

Regarding the networking mode, the following description is correct ().

QoS What kinds of service models are included ()

(Select 3 Answers)

To the following WLAN In the description of the network diagram, the error is ().

Radio frequency mainly uses spread spectrum technology. Which of the following technologies belong to spread spectrum technology ()? (Select 2 Answers)

In theory, the network cable used in the project cannot exceed ()rice.

802.11 In the frame, RTS and CTS What is the interframe interval between ()?

Among the following encryption methods, the most secure is ()

Metal objects have a greater attenuation effect on wireless signals, AP Or the antenna should not be placed behind a metal ceiling, etc.

for AC+ thin AP The network architecture, the following description is wrong ().

Below does not belong AP The binding template 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= ().

How to set the condition of switching trigger (). (Select 2 Answers)

2.4 GHz What is the distance between the center frequencies of the channels in the frequency band ()?

IEEE It is the standards organization responsible for the use of wireless frequencies in the United States.

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

Telnet is one of the ways to manage AP remotely. Telnet authentication based on username and password can be realized through configuration.

Regarding the telnet management of AC6605, the following statement is wrong ().

Wireless network engineer WLAN When planning the network, use RF The purpose of simul-ation is (). (Select 3 Answers)

PPPoE Certified in WLAN When used, and WLAN The authentication encryption used by itself does not matter.

Huawei eSight Network management wizard-style configuration WLAN Business needs to be added in the network management first AC equipment.

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 ()?