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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 # 57

From the roaming process, which of the following processes does roaming need to go through?

A.

Roaming measurement

B.

Roaming recognition

C.

Roaming decision

D.

Roaming execution

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Question # 58

Which is NOT Mesh networking?

A.

(a)

B.

(b)

C.

(c)

D.

(d)

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Question # 59

According to probe results reported by an AP, an AC can obtain neighbor relationships between the AP and surrounding devices (including authorized APs, rogue APs, and non-Wi-Fi devices), as shown in the following figure. To avoid reported data getting oversized, only data from authorized APs whose signal strength is greater than -85 dBm and rogue APs whose signal strength is greater than ( ) dBm is reported.

A.

75

B.

80

C.

85

D.

90

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Question # 60

In long-distance point-to-point communication over WLAN, if a stable communication link is to be maintained, what percentage of the first Fresnel area can't be blocked?

A.

0.2

B.

0.4

C.

0.5

D.

0.6

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Question # 61

Engineers of a large enterprise configure the VLAN Pool function when deploying the WLAN. Which of the following options may be the reasons for configuring the function? (Multiple Choice)

A.

There are a large number of IP address requests in some areas.

B.

Users request to obtain fixed IP addresses.

C.

To reduce the broadcast domain to limit the number of broadcast packets, thereby to improve the network performance.

D.

Break the limit that one SSID can only correspond to one VLAN.

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Question # 62

A large enterprise deploys a WLAN network, and some SSIDs use direct forwarding. The following description of the direct forwarding mode is correct?

A.

Business data does not need to be moved back to the AC, there is no forwarding bottleneck

B.

Convenient centralized control of wireless traffic, with obvious advantages in user policy control, wireless roaming, etc.

C.

Security is better when forwarding data packets

D.

AC expansion is simple, increase the number of independent ACs

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Question # 63

For a small-scale enterprise, which of the following WIDS/WIPS functions is recommended for WLAN security guarantee?

A.

Rogue device detection

B.

Rogue device countermeasure

C.

WIDS attack detection

D.

Blacklist and whitelist

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Question # 64

What is the correct description of the second Fresnel zone below?

A.

Out of phase with point source

B.

In phase with the point source

C.

Less than the first Fresnel zone

D.

Greater than the first Fresnel zone

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