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H12-321 Exam Dumps - Huawei Certified Network Professional - Wireless Local Area Network- Constructing Enterprise WLAN Architecture

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Question # 17

In the WLAN network, which of the following will trigger an alarm?

Flood attack

Spoof attack

Weak IV attack

Violent cracking

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Question # 18

An engineer wants to use the Agile Controller as the Portal server and synchronize data from an external source. No exceptions occur in the synchronization, but Portal authentication frequently fails. What is the possible cause? (Multiple Choice)

Portal authentication is disabled on the Agile Controller.

Portal authentication is disabled for users on the Agile Controller.

802.lx authentication is disabled on the Agile Controller.

MAC address bypass authentication is enabled on the Agile Controller.

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Question # 19

Which statements about Layer 2 and Layer 3 roaming are TRUE? (Multiple Choice)

After Layer 3 roaming is performed, the VLAN IDs in the service set of APs are changed.

If the VLAN IDs before and after roaming are the same, the STA roams at Layer 2.

Layer 2 roaming indicates that STAs roam within the same subnet.

Layer 3 roaming indicates that STAs roam between different subnets.

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Question # 20

In a WLAN network that enables flood attack detection, the AP detects flooding attacks by detecting which of the following items.

Number of access terminals of the AP

The frequency of the uplink and the line of the terminal on the AP

The number of times the terminal attempts to log in on the AP.

Traffic size of the STA on the AP

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Question # 21

What is wrong about the description of the omnidirectional antenna below?

Omnidirectional antenna distributes the signal evenly over a 360-degree omnidirectional area around the center point

The omnidirectional antenna has a lobe width of 360 degrees horizontally

The omnidirectional antenna has strong energy gathering ability and the direction of the signal is good.

The omnidirectional antenna has a lobe width of 360 degrees vertically

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Question # 22

Which of the following statements about backup CAPWAP tunnel setup are TRUE? (Multiple Choice)

The AP and ACs set up the primary and backup tunnels at the same time and complete configuration delivery.

The AP sends a Discovery Request message to the standby AC in broadcast mode.

The AP sends a Join Request message, notifying the standby AC that the configurations have been delivered.

After receiving the Join Request message, the AC sets up a CAPWAP tunnel with the AP but does not deliver configurations to the AP.

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Question # 23

As shown in the figure, different companies on adjacent floors of an office building use multiple SSIDs. If a company enables WIDS rogue device countermeasure, APs of other companies will be affected. Which of the following functions can solve this problem?