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H12-322 Sample Questions Answers

Questions 4

In general, which of the following obstacles has the greatest attenuation for the 2.4 GHz signal when the material is of the same thickness?

Options:

A.

Metal

B.

Asbestos

C.

Wooden door

D.

Colored glass

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Questions 5

When using the WLAN planning tool, which type of area should be used for areas with coverage field strength requirements but no access and bandwidth requirements?

Options:

A.

Key coverage areas

B.

Ordinary coverage area

C.

Blind area

D.

AP deployment area

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Questions 6

What are the two main applications of WLAN in the medical industry?

Options:

A.

Mobile HIS

B.

CBTC

C.

Label positioning

D.

Barcode scanning

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Questions 7

For indoor WLAN planning, the deployment height of the omnidirectional antenna is recommended to be no more than 6m.

Options:

A.

True

B.

False

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Questions 8

Which of the following is best for deploying WLANs using indoor distribution?

Options:

A.

Factory building

B.

Office

C.

University single row dormitory D. Square

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Questions 9

In the WLAN project network design of the warehousing and logistics industry, what are the correct descriptions of the channel planning considerations?

Options:

A.

Warehouse horizontal plane channel planning

B.

Warehouse vertical stereo channel planning

C.

Scan code terminal channel support

D.

Scan code terminal rate support

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Questions 10

Which of the following antennas is recommended for the AP9330DN in a WLAN scenario where the room is large and the capacity is high?

Options:

A.

Single-flow single-frequency omnidirectional antenna

B.

Single-current dual-frequency omnidirectional antenna

C.

Dual-current single-frequency directional antenna

D.

Dual-stream dual-frequency directional antenna

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Questions 11

Which of the following are the areas of interest for a WLAN survey outdoor bridge scenario?

Options:

A.

The transmission path of the bridge link is occluded, marking the latitude and longitude of the station.

B.

Observe the AP and antenna installation method for the site.

C.

Every site needs to pay attention to the location of the weak house

D.

Whether to add a relay between the leaf site and the aggregation site

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Questions 12

Which of the following outdoor APs can be connected to the AT815SN?

Options:

A.

AP6510DN

B.

AP6610DN

C.

AP9330DN

D.

AP8030DN

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Questions 13

Which of the following are typical of AP coverage in high-density venues?

Options:

A.

Ceiling coverage

B.

Base cover

C.

Ceiling coverage

D.

Wall covering

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Questions 14

The following is true about the AP installation location?

Options:

A.

For aesthetic needs, priority can be given to placing the AP on the ceiling.

B.

If the site is a monolithic ceiling, the AP should be considered as close to the maintenance port.

C.

The material of the ceiling is generally thin, and the impact on the cover is negligible.

D.

When wall-mounting or installing under the ceiling, it may be necessary to punch holes. When surveying, try to confirm with the property whether it is feasible.

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Questions 15

When using a fat AP and a terminal to test the attenuation of an obstacle, it is best to bring the signal source close to the wireless terminal and the obstacle so that the test data is accurate.

Options:

A.

True

B.

False

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Questions 16

What is the difference between the center frequency values ​​of two adjacent channels at 2.4 GHz?

Options:

A.

20MHz

B.

22MHz

C.

5MHz

D.

25MHz

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Questions 17

The maximum transmission power of indoor WLAN products stipulated by international standards is 100mw, which is equivalent to?

Options:

A.

1dBm

B.

10dBm

C.

20dBm

D.

30dBm

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Questions 18

Which of the following scenarios is suitable for using the board AC as a wireless controller?

Options:

A.

Overlay wireless network construction scenario based on existing cable bearer network

B.

Unified construction and unified transformation of wired and wireless networks

C.

Unified management of wired and wireless users

D.

Scenes for independent management of wired and wireless services

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Questions 19

In the WLAN site survey, what is the correct statement about the need to confirm the AP installation location and related equipment installation in the coverage scenario?

Options:

A.

If the weak well location is too far from the AP installation location, the switch cannot be installed.

B.

Indoor needs to confirm AP and room sub-antenna installation location, AP installation methods, such as wall hanging, ceiling, ceiling, etc.

C.

Confirm the data center location, that is, the total aggregation point. Generally, AC, network management, and various servers are placed here.

D.

Outdoor need to confirm the AP and outdoor antenna installation position, whether you need to hold the pole

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Questions 20

Which of the following options are issues that should be noted in WLAN roaming planning?

Options:

A.

Mobile terminal can confirm roaming

B.

Ensure that the signal coverage overlap range is greater than 50% on the path of terminal roaming

C.

The path of the terminal roaming is guaranteed to be the same.

D.

Type of roaming terminal

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Questions 21

Which of the following scenarios is suitable for using the ACU2 board as a wireless controller?

Options:

A.

The network is large and there is a need for further expansion in the future.

B.

Small and medium-sized, integrated networking scenarios

C.

The rack slot resource is tight

D.

Racks with rich rack slots

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Questions 22

Which of the following factors should be considered when using an outdoor AP for WLAN outdoor network planning?

Options:

A.

EIRP

B.

Antenna hanging high

C.

Access number and bandwidth

D.

Is it necessary to waterproof

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Questions 23

What is wrong with the WoC scheme in the following options?

Options:

A.

The WLAN and CATV signals are mixed by the signal combiner and input to the existing CATV cable, and transmitted to the CATV coaxial shielded cable.

In the room, finally separate the signals through the splitter panel to achieve indoor wireless network coverage and TV signal transmission.

B.

The overall construction of WoC does not need to be changed too much, the construction impact is negligible, and the wireless coverage is better. It is excellent in wireless system transformation projects.

Obvious

C.

Signal combiner and WoC panel, need to be customized separately from the partner

D.

At present, the cable commonly used by CATV is SY(W) V75-5 coaxial cable, which is specially produced for cable TV. The transmission frequency of 2.4G is very small, so the distance from AP to terminal panel can be longer, but it is recommended not to exceed 500 meters

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Questions 24

When the command "rate-limit client down 4096" is configured on the AC, what is the possible rate when the user downloads the Internet?

Options:

A.

2Mbps

B.

4Mbps

C.

6Mbps

D.

8Mbps

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Questions 25

Which of the following factors affect the simu-lation rate value in the WLAN Tester 2.0 tool?

Options:

A.

Field strength, signal to noise ratio, signal to noise ratio

B.

Field strength, signal to noise ratio, bandwidth

C.

Signal to noise ratio, bandwidth, field strength

D.

Signal to interference and noise ratio, channel, bandwidth

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Questions 26

In a WLAN campus network project, the engineer adopts the solution of the AC with the board. If this solution is adopted, the engineer can pass the X1E board.

Manage APs that are accessed from other non-X1E boards.

Options:

A.

True

B.

False

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Questions 27

Which of the following authentications does not support key down?

Options:

A.

Share-key

B.

WPA+PSK

C.

WPA+802.1x

D.

WPA2+PSK

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Questions 28

In a certain scenario, AP9330DN is used to cover 4 student dormitories, and each dormitory has 10 mobile phone access (single spatial stream terminal, supporting 2.4G/5G).

Calculated by the concurrency rate of 60%, the maximum average uplink/downstream bandwidth value for each user is supported?

Options:

A.

2Mbps, 4Mbps

B.

1Mbps, 2Mbps

C.

4Mbps, 4Mbps

D.

512Kbps, 512Kbps

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Questions 29

In the WLAN bandwidth design, the average bandwidth of the access users decreases linearly with the increase of the user.

Options:

A.

True

B.

False

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Questions 30

What is the optional AP model for WLAN deployment?

Options:

A.

AP5010SN

B.

AP6010SN

C.

AP6310SN

D.

AP6510DN

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Questions 31

How many mw can 17dBm be converted into?

Options:

A.

100

B.

80

C.

50

D.

40

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Questions 32

In a project, the two stations are 3km apart, but there is a tall building 18m high in the middle of the two points. There are no higher obstacles in other locations, and 5G return is used.

When is the installation height of the equipment at the two sites required at least how many meters?

Options:

A.

20

B.

25

C.

30

D.

35

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Questions 33

Regarding WLAN mobility capabilities, the following statement is wrong?

Options:

A.

When forwarding across a Layer 3 IP network, it is recommended to use centralized forwarding mode.

B.

Only the centralized forwarding mode can be used to support roaming between different VLANs under the same aggregation gateway.

C.

AC6005 does not support fast roaming with key caching

D.

Roaming in the same VLAN belongs to Layer 2 roaming

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Questions 34

As shown in the figure below, what is the best channel for the AP in the lower left corner?

Options:

A.

1 channel

B.

6 channels

C.

11 channels

D.

14 channels

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Questions 35

The 5dB coupler has a coupling degree of 5dB and an insertion loss of 2dB. If the input signal power is 17dBm, what is the output power of the coupling port?

Options:

A.

10dBm

B.

12dBm

C.

14dBm

D.

15dBm

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Questions 36

Basic requirements for WLAN network construction include bandwidth requirements, coverage targets, coverage methods, field strength requirements, and power distribution methods.

Determining the strength of the coverage area in the field strength requirement is adjusted by the AP transmit power. The following statements are correct regarding the requirements that the network regulation needs to consider in advance.

Is it?

Options:

A.

The field strength demand in key areas is that the main online area of ​​the user can be controlled at -40~-80dBm. If the power is too strong, it will easily lead to receiving overload, and the power is too weak.

Will cause the connection rate to drop

B.

The interference field strength requirement is that the same-frequency interference in the same area is not more than -80dBm

C.

The fringe field strength level combined with the receiving sensitivity and edge bandwidth requirements are generally selected above -75dBm

D.

The leakage field strength of the system should not be too large, and the field strength at 10m of the external network of the building cannot be greater than -90dBm.

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Questions 37

During the establishment of the dual-link backup active/standby CAPWAP tunnel, which of the following parameters should be included in the Discover Response sent by the active and standby ACs?

Options:

A.

Dual link characteristic switch

B.

IP and priority of the respective AC

C.

Load status of each AC

D.

Configuration files of the respective ACs

E.

Forwarding mode of each service set of AC

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Questions 38

Without considering the MIMO gain, what is the correct description about EIRP?

Options:

A.

In wireless communication engineering, EIRP is commonly used to measure the strength of interference and the ability of the transmitter to transmit strong signals.

B.

The product of the power supplied by the EIRP to the antenna of the radio transmitter and the absolute gain of the antenna in a given direction

C.

EIRP represents the transmit power of the AP

D.

EIRP=P transmit power-Loss feeder loss + G antenna gain

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Questions 39

Which of the following options is not a PoE term?

Options:

A.

PSE

B.

PD

C.

PI

D.

POU

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Questions 40

Which of the following Huawei switches support PoE?

Options:

A.

S2700-9TP-PWR-EI

B.

S5700-24TP-PWR-SI

C.

S3700-52P-EI-24S-DCD. S5700-48TP-SI-AC

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Questions 41

The directional antenna can not only improve the signal strength of the downlink AP, but also improve the signal strength of the uplink terminal received by the AP.

Options:

A.

True

B.

False

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Questions 42

What are the calculations for implementing controller hot backup?

Options:

A.

Dual link backup

B.

HSB+ dual link backup

C.

HSB+VRRP

D.

5G priority access

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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: Apr 16, 2024
Questions: 282
$72  $159.99
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