H12-311_V3.0無料問題集「Huawei HCIA-WLAN V3.0」

質問 1

For outdoor WLAN Cover, the following statement is correct ().
(Select 3 Answers)

（A）The higher the antenna gain, the stronger the antenna directivity, and the weaker the radiation gain directly below the antenna

（B）Outdoor antennas should not blindly pursue high gain

（C）The feeder interface must match the selected antenna

（D）The length of the feeder must not exceed 2 rice

正解：A、B、C 解答を投票する

質問 2

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

（A）can use AC As DHCP Server ,give AP distribute IP address

（B）The picture shows the bypass networking

（C）Can be configured and managed on the access switch VLAN of PVIDA.

（D）You cannot use the aggregation switch to STA distribute IP address

正解：D 解答を投票する

質問 3

If you don't configure it, AP Which default authentication method is supported ()?

（A）no-auth

（B）sn-auth

（C）mac-sn-auth

（D）mac-auth

正解：D 解答を投票する

質問 4

It can be connected with the antenna via ().

（A）CATV coaxial cable

（B）Network cable

（C）Power cord

（D）50 ohm RF coaxial cable

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 5

Huawei APs support SSIDs containing Chinese characters.

（A）False

（B）True

正解：B 解答を投票する

質問 6

What frame does the wireless client actively scan to obtain the surrounding wireless network information ()?

（A）Association Request frame

（B）Beacon frame

（C）Authentication Request frame

（D）Probe Request frame

正解：D 解答を投票する

質問 7

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.

（A）False

（B）True

正解：B 解答を投票する

質問 8

The following statement is correct ().
(Select 3 Answers)

（A）When the user performs web authentication, it is triggered by the user's http message after successfully obtaining the IP address; at this time, it is forcibly redirected to the portal server, Go through the certification process

（B）WPA2 PSK authentication requires the user to enter a user name and password to connect

（C）WAPI is China's national standard system for wireless LAN

（D）WPA2 uses 802.1X authentication

正解：A、C、D 解答を投票する

質問 9

Which of the following functions does the Huawei WLAN planning tool have ()?
(Select 3 Answers)

（A）Support automatic identification of obstacles

（B）Support the division of general coverage areas and key coverage areas

（C）Support automatic deployment of AP locations

（D）Support exporting standardized WLAN planning reports

正解：B、C、D 解答を投票する

質問 10

Multi-floor deployment in a building AP When, the factor that needs attention is ().
(Select 3 Answers)

（A）Unified planning channel

（B）Other interference signals

（C）The material of the wall

（D）In order not to affect the beauty, AP Should be hidden in the ceiling

正解：A、B、C 解答を投票する

質問 11

The following pairs PSK The authentication description is wrong ().

（A）PSK The authentication process is similar to the shared key authentication process, so the security is the same

（B）WPA and WPA2 All support PSK Certification

（C）PSK Certification is passed 4 Handshake Key Negotiate to verify STA side Key The legitimacy

（D）PSK Authentication requires the same pre-shared key to be configured on the wireless client and device

正解：D 解答を投票する

質問 12

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.

（A）False

（B）True

正解：A 解答を投票する

質問 13

Among the following options, the common WLAN The source of interference is ().
(Select 3 Answers)

（A）remote control

（B）Micro-wave oven

（C）cordless phone

（D）Bluetooth transmission equipment

正解：B、C、D 解答を投票する

H12-311_V3.0 無料問題集「Huawei HCIA-WLAN V3.0」

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