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Achieve Success in the Huawei H12-322 Exam: A Detailed Huawei Certified ICT Professional - Wireless Local Area Network- Planning and Optimizing Enterprise WLAN Guide

Questions 61

Which of the following authentication methods requires the user to open a web page for authentication?

Options:

A.

open

B.

psk

C.

portal

D.

802.1x

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Questions 62

The following is a statement about the combination of the WLAN room subsystem and the existing operator room system. What is wrong?

Options:

A.

The WLAN signal is not in the same frequency band as the GSM, CDMA, 3G and other signals, and the combiner has a high isolation, so the signal between different frequency bands

No interference with each other

B.

Existing room division devices (power splitter/coupler/antenna) need to support the 2.4G frequency band of WLAN, otherwise the room division device needs to be replaced.

C.

If the operator's signal can meet the coverage requirements, it can usually be satisfied after accessing the WLAN signal.

D.

There must be a parallel topology relationship between the APs, and multiple APs are not allowed to be connected in series on one branch.

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Questions 63

In the direct forwarding mode of the bypass network, what are the descriptions of the following WLAN HA technologies?

Options:

A.

The CAPWAP link-off service maintenance feature enables online users to forward data packets when an AC fault occurs.

B.

After the CAPWAP is broken, the AP allows the new user access feature to also be enabled in the tunnel forwarding mode.

C.

AC dual-link cold backup feature can achieve 50ms carrier-class protection switching

D.

HSB+VRRP dual-system hot backup can implement two high-reliability mechanisms: active/standby mode and load-sharing mode.

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Questions 64

When WLAN design outdoor network regulations, it is necessary to consider the coverage according to the EIRP limit of each country. In the case of considering MIMO gain, the following

Which option is the calculation method for EIRP?

Options:

A.

AP transmit power + antenna gain - feeder attenuation

B.

AP transmit power - antenna gain - feeder attenuation

C.

AP transmit power - MIMO gain + antenna gain - feeder attenuation

D.

AP transmit power + MIMO gain + antenna gain - feeder attenuation

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Questions 65

For WLAN outdoor coverage planning, what is the recommended coverage radius when using an external 2.4G 3dBi omnidirectional antenna?

Options:

A.

30~50 meters

B.

80~100 meters

C.

150~200 meters

D.

200~250 meters

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Questions 66

When measuring the obstacle attenuation in the WLAN site survey, the signal source needs to be placed in a proper position so that there is no obstruction between the obstacle and the obstacle to be tested.

Block and keep a certain distance. Because the field strength is very large near the signal source, the test will be inaccurate.

Options:

A.

True

B.

False

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Questions 67

When the AD9430DN-24 is deployed in the project, when the remote access unit R240D is installed and exceeds the PoE power supply distance, the switch can be expanded.

exhibition.

Options:

A.

True

B.

False

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Questions 68

What is the correct statement about WLAN channel planning?

Options:

A.

The United States can plan 1-13 channels at 2.4 GHz

B.

Infrared interference needs to be considered when planning

C.

Radar interference needs to be considered during planning

D.

Avoiding signal interference when planning

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Questions 69

In the outdoor backhaul scenario, the line of sight is met and there is no interference requirement. When the return distance does not exceed 1km, the uplink bandwidth requirement is 0.5Mbps, and the EIRP is not.

Restricted, AP external antenna 17dBi_H65 degrees _V7.5 degrees, the maximum number of AT815SN docked by a single AP?

Options:

A.

16

B.

24

C.

32

D.

40

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Questions 70

Regarding the description of the AP9330DN feeder, what is wrong with the following statement?

Options:

A.

The 5 GHz attenuation value of the same length feeder is less than the 2.4 GHz attenuation value.

B.

All feeders need to be of equal length under the same AP9330DN

C.

Feeder is divided into 4 specifications and cannot be produced on site.

D.

The 5 GHz attenuation value of the same length feeder is greater than the 2.4 GHz attenuation value

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Exam Code: H12-322
Exam Name: Huawei Certified ICT Professional - Wireless Local Area Network- Planning and Optimizing Enterprise WLAN
Last Update: Dec 4, 2024
Questions: 282

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