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

出題：1

When WLAN planning is performed in a single area, the factors affecting the number of APs deployed are (Select 3 Answers).

A. Size of the area

B. Number of network ports

C. Number of people accessing in the area

D. Field strength and bandwidth requirements

正解：A,C,D 解答を投票する

出題：2

What is the command to check the system version of the AP running?

A. display ap all

B. display ap version id x (x is the ID number of the AP)

C. display ap-run-info id x (x is the ID number of the AP)

D. display ap update all

正解：C 解答を投票する

出題：3

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.

A. True

B. False

正解：B 解答を投票する

出題：4

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

出題：5

What is the operating frequency set by China in the 2.4 GHz band?

A. 2.471 GHz-2.497 GHz

B. 2.4465 GHz-2.4835 GHz

C. 2.445 GHz-2.475 GHz

D. 2.4 GHz-2.4835 GHz

正解：D 解答を投票する

出題：6

If the AP's transmit power is 1mW, it is converted to dBm and then dBm.

A. 1

B. 20

C. 0

D. 10

正解：C 解答を投票する

出題：7

The modulation methods adopted by DSSS are BPSK and QPSK respectively.

A. True

B. False

正解：A 解答を投票する

出題：8

In the 802.11 frame, what type of frame does the STA's association request and authentication request belong to?

A. Data frame, control frame, management frame have this function

B. Control frame

C. Management frame

D. Data frame

正解：C 解答を投票する

出題：9

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.

A. True

B. False

正解：B 解答を投票する

出題：10

What are the rates that 802.11a can support?

A. 6,12,18,24,36,48,54 Mbps

B. 6,9,12,18,24,36,48,54 Mbps

C. 6,9,12,18,24,30,36,48,54 Mbps

D. 6,12,24,54 Mbps

正解：B 解答を投票する

出題：11

Which of the following wireless frames belong to the Control Frame (Select 3 Answers)?

A. PS-Poll

B. Beacon

C. CTS

D. RTS

正解：A,B,C 解答を投票する

出題：12

How many channels does China support in the 2.4 GHz band?

A. 11

B. 13

C. 5

D. 3

正解：B 解答を投票する

出題：13

The AC6605 of the Huawei box-type wireless controller supports 24 PoE interfaces. When the WLAN is connected to the network, it can directly supply power to the AP connected to the AC.

A. True

B. False

正解：B 解答を投票する

出題：14

The 802.11 physical layer standard defines some common operations of the wireless network at the physical layer: operations such as QoS, security, and roaming.

A. True

B. False

正解：B 解答を投票する

出題：15

The two commonly used units describing antenna gain are dBi and dBd, and the conversion relationship between them is: dBi=dBd+2.14.

A. True

B. False

正解：A 解答を投票する

出題：16

The common reason why an AP cannot obtain an IP address is (ABC) (Select 3 Answers).

A. Intermediate network problems.

B. The address pool is exhausted.

C. POE power failure.

D. The address pool is incorrectly configured.

正解：A,B,D 解答を投票する

出題：17

The three APs deployed on the first floor have channels from left to right, 1, 6, and 11, respectively. The channels of the three APs deployed on the second floor should be divided into.

A. 6,11,1

B. 2,7,12

C. 11,6,1

D. 1,6,11

正解：A 解答を投票する

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