H12-311試験無料問題集（300題）「Huawei Certified ICT Associate-Wireless Local Area Network 認定」

出題：1

Regarding the two major standards of PoE, the following statement is incorrect (Select 2 Answers). The

A. 802.at supports four power levels and only supports Category 5 lines.

B. 802.af standard was established in 2009, and the maximum output power is 30W.

C. 802.at, also known as PoE+, is compatible with 802.af devices.

D. 802.af, also known as PoE+, is compatible with 802.at devices.

正解：B,D 解答を投票する

出題：2

On a WDS network, a root AP can connect to multiple leaf APs, but a leaf AP can connect to only one root AP.

A. True

B. False

正解：A 解答を投票する

出題：3

In the process of discovering the AC by the thin AP, the first step is to check whether there is a list of pre-configured static AC IP addresses.

A. True

B. False

正解：A 解答を投票する

出題：4

In an 802.11 frame, the terminal needs to obtain access rights to the wireless medium, and what kind of control message is to be sent?

A. PS-Poll

B. ACK

C. CTS

D. RTS

正解：D 解答を投票する

出題：5

In order to ensure that there is no interference between the channels of the WLAN network, which of the following bands belong to the Chinese 5.8GHz band (Select 2 Answers)?

A. 151

B. 149

C. 155

D. 153

正解：B,D 解答を投票する

出題：6

In a dual-link backup network, what do the APs use to distinguish between the primary AC and the standby AC (Select 3 Answers)?

A. Priority

B. AC IP address

C. AC load situation

D. AC response AP time

正解：A,B,C 解答を投票する

出題：7

When a data frame is sent and acknowledged, what is the time interval to wait before the next data frame is sent ()?

A. DIFS

B. PIFS

C. IFS

D. SIFS

正解：A 解答を投票する

出題：8

In order to facilitate management and maintenance, the AP power supply mode generally prefers to supply power.

A. POE adapter

B. POE switch

C. Independent power adapter

D. AC power supply

正解：B 解答を投票する

出題：9

When wireless network engineers are planning for WLAN networks, the purpose of RF simul-ation is (ABC) (Select 3 Answers).

A. Obtain the available bandwidth at different locations

B. Obtain the current signal-to-noise ratio at different locations

C. Simulate signal coverage, find blind areas

D. Obtain field strength distribution at different locations

正解：B,C,D 解答を投票する

出題：10

The 802.11n standard uses dual-band (2.4 GHz and 5 GHz), the theoretical transmission rate can reach up to 300 Mbps, and the actual test rate can reach more than 100 Mbps.

A. True

B. False

正解：B 解答を投票する

出題：11

Which of the following features (BCD) (Select 3 Answers) is available for the Huawei WLAN Planning Tool.

A. Support automatic identification and identification of obstacles

B. Support automatic deployment of AP location

C. Support WLAN planning report for export specification

D. Support common coverage area and key coverage area division

正解：B,C,D 解答を投票する

出題：12

The AP can provide power and data transmission through the POE switch.

A. True

B. False

正解：A 解答を投票する

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