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Huawei H12-351 - Questions & Answers

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Question 1
Single choice

When a STA roams from API to AP2 at Layer 2, AP2 notifies its neighbors of from this STA is encapsulated in a tunnel and sent to API for forwarding.

A.

True

B.

False

Question 2
Single choice

Which of the following components is not included In a typical RFID system?

A.

Information processing platform

B.

RFID tag

C.

Router

D.

RFID reader

Question 3
Multiple choice

Which of the following statements about fingerprint-based positioning technology are true? (Select All that Apply)

A.

The positioning engine generates a virtual fingerprint library through calculations based on the AP deployment and environment information.

B.

Terminals learn from each other to form a fingerprint library that can be shared.

C.

APs collect surrounding environment information to form a fingerprint library.

D.

The fingerprint map is obtained through onsite information collection.

Question 4
Single choice

Either of the two APs that have established a mesh connection can send a Mesh Peering Close frame to the other AP to tear down the

mesh connection.

A.

True

B.

False

Question 5
Single choice

In 802. IX authentication using port-based access control, once a user is authenticated successfully on a port, subsequent users on this port can access the network without authentication. When the authenticated user goes offline, all other users are denied access to the network.

A.

True

B.

False

Question 6
Single choice

Which of the following statements about WLAN roaming and signal strength Is false?

A.

Smart roaming can be enabled on the WAC to help ST As roam and associate with APs with better signals.

B.

Generally, a STA roams when it detects that the signal strength is less than -75 dBm.

C.

STAs can roam between WACs in dual-link HSB mode.

D.

In most cases, the signal strength of a STA should range from -45 dBm to -65 dBm.

Question 7
Multiple choice

As shown in the figure, STA_1 through STA_4 are associated with AP_1, and STA_5 is associated with AP_2.
Assuming that the load balancing threshold is 2, the load difference threshold is 25%, and API and AP2 support a maximum of 10 STAs, which of the following statements are true?
(Select All that Apply)

A.

The load percentage of AP_1 is 40%, and that of AP_2 is 10%.

B.

The load balancing mechanism needs to be enabled. Then some STAs are steered from AP_1 to AP__2.

C.

If load balancing is performed, the load percentage of AP_1 changes to 30%.

D.

The minimum load percentage is 10%, which is greater than the load difference threshold. Therefore, load balancing needs to be enabled.

Question 8
Single choice

Huawei Agile Cloud Authentication (HACA) supports only IMaster NCE-Campus as the HACA server.

A.

True

B.

False

Question 9
Single choice

Which of the followings is not a roaming optimization solution?

A.

Proactive roaming

B.

Smart roaming

C.

Fast roaming using PMK caching

D.

802.11r roaming

Question 10
Multiple choice

Which of the following advantages does BSS coloring provide in Wi-Fi 6? (Select All that Apply)

A.

Higher packet rate on the air interface

B.

Enhanced encryption on the air interface

C.

More efficient channel use

D.

Higher concurrency in high-density scenarios

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