Huawei Certified ICT Associate-Wireless Local Area Network (H12-311) Free Practice Test

Question 1

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

A. False

B. True

Correct Answer: B

Question 2

The following is true for WLAN networking configuration (Select 3 Answers).

A. Before the AP is configured, the AP must be online.

B. Configure the WMM template to be directly bound to the antenna.

C. The user should try to ensure the detailed planning data when performing data planning, which will greatly facilitate the later configuration.

D. WMM template is bound to the radio template.

Correct Answer: A,C,D

Question 3

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

A. 5 MHz

B. 10 MHz

C. 20 MHz

D. 22 MHz

Correct Answer: A

Question 4

Which modulation method does the following picture belong to?

A. modulation

B. phase modulation

C. amplitude modulation

D. frequency modulation

Correct Answer: D

Question 5

In a point-to-multipoint networking environment, one device acts as a central device, and all other devices establish wireless bridges with the central device to interconnect multiple networks. The disadvantage is that the interworking of multiple branch networks requires data forwarding through the central bridge device.

A. False

B. True

Correct Answer: B

Question 6

What is correct in the following options (Select 3 Answers)?

A. SSID technology can divide a wireless local area network into several sub-networks that require different authentication. Each sub-network needs independent authentication. Only authenticated users can enter the corresponding sub-network to prevent unauthorized access. The user enters the network.

B. The BSSID is actually the MAC address of the AP, which is used to identify the BSS managed by the AP, and maps the BSSID and SSID in the same AP.

C. The SSID is the same in an ESS, but the BSSID corresponding to each AP in the ESS is different. If an AP can support multiple SSIDs at the same time, the AP will assign different BSSIDs to correspond to these SSIDs.

D. Users can implement roaming under different SSIDs.

Correct Answer: A,B,C

Question 7

After a wireless user connects to a wireless signal point, they cannot obtain an IP address.
What are the possible reasons (Select 2 Answers)?

A. The MAC address of the user device has been added to the blacklist.

B. The DHCP server is not configured in the VLAN where the user is located. The dhcp-enable command is not configured on the

C. The user-specified authentication password is incorrect.

D. wlan-ess virtual interface.

Correct Answer: B,D

Question 8

Which of the following devices are Huawei Wireless Dual Access AP (Access Point) (Select 2 Answers)?

A. AP6010SN

B. AP5010DN

C. AP6010DN

D. AP5010SN

Correct Answer: B,C

Question 9

Among the following obstacles, has the greatest loss of wireless signals.

A. Gypsum ceiling

B. 120mm Brick wall

C. Glass

D. 200mm Concrete wall

Correct Answer: D

Question 10

Which channels in the 802.11b protocol do not overlap each other (Select 3 Answers)?

A. 3

B. 6

C. 1

D. 11

Correct Answer: B,C,D

Question 11

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

A. 20

B. 0

C. 1

D. 10

Correct Answer: B

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Huawei Certified ICT Associate-Wireless Local Area Network (H12-311) Free Practice Test