H12-311-ENU試験無料問題集「Huawei Certified ICT Associate-Wireless Local Area Network 認定」

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トータル 300 問
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What are the mandatory standards for wireless LAN security in China?

The roaming of the terminal in different VLANs belongs to.

The following is a description of TKIP encryption. The error is .

What are the QoS service models (Select 3 Answers).

正解：A,B,C 解答を投票する
The following command can be used to configure the port of the Huawei switch to be in hybrid mode.

What are the rates that 802.11g can support?

For a wireless network with WPA2 PSK authentication and SSID broadcast, the user can double-click on the SSID and enter the correct username and password to access the network.

To upgrade an AP through FTP, you need to ensure that the AP and the FTP server can communicate with each other and put the AP upgrade file in the FTP root directory.

If the configuration parameters of the AP radio are changed, the AP must be restarted before the command takes effect.

What is the US non-overlapping channel in the 2.4 GHz band?

For indoor distributed APs, the following description is correct (B).

When the two-channel center frequency distance is less than or equal to 25 MHz, there is an overlapping area between the channels, and there may be some interference. Therefore, in order to avoid adjacent channel interference in adjacent area channel planning, the same channel is not allowed.

Because 802.11a supports the same maximum rate as 802.11g supports, the 802.11a protocol is backward compatible with the 802.11g protocol.

For the polarization of electromagnetic waves, the following description is correct (Select 3 Answers).

正解：A,C,D 解答を投票する
WDS technology increases the flexibility and convenience of the entire network structure, but only supports peer-to-peer mode of operation.

The number of users is 300, and the concurrency rate is 70%. The terminal supports the 2.4 GHz and 5 GHz frequency bands. According to the maximum number of users per dual-band dual-frequency AP, at least APs can meet the capacity requirements.

A company wants to deploy WLAN. The company has purchased a number of wireless APs that support 802.11n. When the WLAN is deployed, only 802.11n wireless clients can connect to the company's WLAN.

If a wireless client connecting the same SSID wants to roam from one AP to another, what is the area of the signal overlap between the two APs?

What are the following WLAN standards for transmission rates up to 54 Mbps and above (Select 3 Answers)?

正解：B,C,D 解答を投票する
The parameter used in the 802.11 frame to check the integrity of the received frame is .

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トータル 300 問