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H12-322 Huawei Certified ICT Professional - Wireless Local Area Network- Planning and Optimizing Enterprise WLAN Questions and Answers

Questions 4

Which of the following options are part of the lifecycle phase of a WLAN project operation?

Options:

A.

Planning

B.

Deployment

C.

Upgrade

D.

Operation and maintenance

E.

Troubleshooting

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Questions 5

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 6

WLAN surveyors can add Pins to locations where special information needs to be recorded during the WLAN Survery Pad survey.

Needle and Pin annotation support five functions: record, photo, text record, voice record and delete mark.

Options:

A.

True

B.

False

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Questions 7

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 8

What is the time interval of Short GI?

Options:

A.

100ns

B.

200ns

C.

400ns

D.

800ns

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Questions 9

Which three parts does a user group consist of?

Options:

A.

ACL strategy

B.

QoS template

C.

Group isolation strategy

D.

Encryption strategy

E.

Roaming strategy

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Questions 10

With the 7dBi antenna, the exit power of the two antennas (regardless of the feeder and interface losses) are?

Options:

A.

25dBm, 32dBm

B.

26.5dBm, 26.5dBm

C.

28dBm, 32dBm

D.

26.5dBm, 30.5dBm

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Questions 11

Which of the following two APs belong to Huawei outdoor APs?

Options:

A.

AP5010DN

B.

AP6310SN

C.

AP6510DN

D.

AP6610DN

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Questions 12

In any country, the use of directional antennas can significantly increase the coverage area of ​​the WLAN.

Options:

A.

True

B.

False

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Questions 13

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 14

The following is the correct principle for the deployment of WLAN outdoor sites.

Options:

A.

The site should be directly visible between the coverage areas. It is recommended that there should be no obstacles to block.

B.

To ensure signal transmission, the site installation height is as high as possible

C.

Avoid interference from strong electric and other signals near the site

D.

Reliable power is required near the site

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Questions 15

From the general business application of the high-density stadium, which of the following requires the lowest bandwidth?

Options:

A.

Video

B.

IM

C.

Web

D.

Email

E.

VoIP

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Questions 16

The following description of the WLAN outdoor AP is wrong?

Options:

A.

AP8030DN cannot be connected to an external antenna.

B.

AP6610DN supports PoE power supply

C.

AP8130DN has 4 RF ports

D.

AP6510DN supports 11a/b/g/n/ac protocol

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Questions 17

Which of the following options are typical WLAN indoor-mounted coverage scenarios?

Options:

A.

University classroom wireless coverage

B.

Office building wireless coverage

C.

University dormitory wireless coverage

D.

Hotel WOC wireless coverage

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Questions 18

Huawei's S7700 series switches support PoE boards to supply power to PDs and PoE power redundancy. S7712 switches are supported.

What are the different ways of redundant PoE power supply?

Options:

A.

1+1

B.

2+2

C.

1+2

D.

3+1

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Questions 19

In the scenario covered by 2.4G band, when the channel cannot be staggered by 1, 6, 11, it can be processed by 1, 5, 9, 13 (provided that

This country supports 1-13 channels)

Options:

A.

True

B.

False

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Questions 20

Which of the following functions can the WLAN Planner accomplish?

Options:

A.

Automatically deploy AP

B.

View field strength simulation diagram

C.

Outdoor bridge planning

D.

On-site signal scanning

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Questions 21

In the WLAN Tester 2.0 tool, when a vendor group information is added to an AP packet in the global configuration, can one vendor correspond to several OUIs?

Options:

A.

1

B.

2

C.

3

D.

Multiple

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Questions 22

In the case of dense WLAN users and a large number of APs, when using the 2.4G band coverage, the HT40 mode can be used to increase the bandwidth.

Options:

A.

True

B.

False

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Questions 23

A wireless AP and wireless terminal support MIMO 2*2. When the AP works in HT20 mode, which of the following data is closest to the wireless terminal?

Throughput (the terminal is in the key coverage area)?

Options:

A.

30Mbps

B.

90Mbps

C.

150Mbps

D.

300Mbps

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Questions 24

What is the encryption technology used by CAPWAP?

Options:

A.

WEP

B.

TKIP

C.

CCMP

D.

DTLS

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Questions 25

In the WLAN enterprise campus network, which of the following is unachievable with regard to SSID planning?

Options:

A.

Plan a dedicated SSID for employees with high security 802.1x certification

B.

The same SSID, providing 802.1x authentication for employees and providing Portal authentication for visitors

C.

Planning the Guest SSID for the visitor, using MAC+Portal authentication

D.

Enterprise-Init's SSID as the pre-authentication domain

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Questions 26

What is the correct description of using dynamic load balancing in high-density scenarios?

Options:

A.

The purpose of 5G priority access in the AP is to reduce the 2.4G load and provide overall system performance.

B.

Load balancing is suitable for high-density wireless network environments to ensure reasonable access of STAs.

C.

Load balancing between APs, based on load balancing of access users or traffic, optimizing the distribution of terminals in the entire network and improving user experience.

D.

Dynamic load balancing can be divided based on three factors: number of users, traffic, and type of service.

E.

The APs that enable load balancing must be connected to the same AC, and the STAs can scan the SSIDs of APs that are load balanced with each other.

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Questions 27

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 28

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 29

Which two APs below support the 802.11ac standard?

Options:

A.

AP5030DN

B.

AP5130DN

C.

AP6510DN

D.

AP7110DN

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Questions 30

Regarding the installation and deployment of the room AP, what is wrong with the following statement?

Options:

A.

The remote access unit of the AD9430DN can be panel mounted

B.

The room divider antenna needs to be separated from the operator's antenna

C.

AP installation location should pay attention to normal heat dissipation, no dripping, rat urine, etc.

D.

Since multiple remote access units of the AD9430DN work on the same channel, this solution can effectively improve the terminal roaming effect.

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Questions 31

Which of the following is the highest security strength of the encryption algorithm?

Options:

A.

WEP

B.

CCMP

C.

TKIP

D.

DES

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Questions 32

The following is true about deploying the AP6310SN in the warehouse coverage (the AP is placed at one end of the warehouse, and the antenna feeders are not equal in length).

Options:

A.

Recommended coupling

B.

The last hop is generally connected to the 5dB coupler.

C.

Need to ensure that the output power of each antenna is almost the same

D.

Can provide dual frequency coverage

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Questions 33

In the WLAN outdoor coverage scenario, in order to ensure uplink and downlink balance, what is the most effective way?

Options:

A.

Use a larger gain antenna

B.

Reduce the AP reflected power

C.

Use a smaller gain antenna

D.

Increase AP transmit power

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Questions 34

A WLAN engineer uses the WLAN Tester 2.0 tool for surveying. In order to quickly understand the coverage of the live signal, the following operations are correct.

Options:

A.

When viewing the survey, directly view the Wi-Fi signal scan box.

B.

Reduce the current drawing scale

C.

Before the survey, first add the AP group to speed up the simulation.

D.

Modify the global configuration parameters to simulate the data processing granularity to the maximum value, speed up the simulation speed

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Questions 35

What is the correct statement about the function of the WLAN Survey PAD survey tool?

Options:

A.

The floor attribute is set for some basic information of this floor, which has great reference value for the installation method of AP when planning later.

B.

The surveying personnel select the AP hotspot to enter the test session, and locate the approximate location of the interference source by moving the field strength change, and then input the distance.

Can calculate the power of the interference source

C.

The classification of obstacles is mainly to draw the types of obstacles on the drawings.

D.

The scale function is to let the surveyors know the size of the drawing scale more accurately.

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Questions 36

In the WLAN Tester 2.0 heat map, the tip box displays the following information. According to the information in the figure, the following statement is correct?

Options:

A.

Tip shows the signal information around the point

B.

Tip box must be placed on the heat map for 3S and above to display

C.

The SINR and PHY Data Rate that are not displayed in the Tip box are 0.

D.

Tip box only shows the SINR and PHY Data Rate of the maximum field strength value.

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Questions 37

In the WLAN outdoor scenario, how many AT815SNs can the AP6510DN connect to?

Options:

A.

4

B.

8

C.

16

D.

32

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Questions 38

Signal field strength calculation formula: (do not consider interference, line loss and other factors)?

Options:

A.

Final signal field strength = antenna gain - transmission distance attenuation value - obstacle signal attenuation

B.

Final signal field strength = AP transmit power + antenna gain - transmission distance attenuation value - obstacle signal attenuation

C.

Final signal field strength = AP transmit power - Transmission distance attenuation value - Obstacle signal attenuation

D.

Final signal field strength = AP transmit power + antenna gain + transmission distance attenuation value - obstacle signal attenuation

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Questions 39

The following options are incorrect about the WLAN forwarding mode description?

Options:

A.

The WLAN forwarding model includes two modes: local forwarding mode and centralized forwarding mode.

B.

The data forwarding mode of the datagram is also called the tunnel forwarding mode. The service data packets are uniformly encapsulated by the AP and then forwarded to the AC.

Line-to-AP management, also acting as a forwarding hub for AP traffic

C.

The datagram is forwarded in text, that is, the AP management flow is encapsulated in the CAPWAP tunnel and reaches the AC termination; the AP service flow is not encapsulated by the CAPWAP.

Directly sent by the AP to the switching device for direct forwarding

D.

The data packet is forwarded in a centralized manner, that is, the AP management flow is encapsulated in the CAPWAP tunnel and the AC is terminated. The AP service flow is not encapsulated by the CAPWAP.

Directly sent by the AP to the switching device for direct forwarding

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Questions 40

In an outdoor WLAN deployment scenario, the channel design must consider the interference of the radar channel.

Options:

A.

True

B.

False

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Questions 41

400mW = () dBm?

Options:

A.

20dBm

B.

23dBm

C.

25dBm

D.

26dBm

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Questions 42

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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Exam Code: H12-322
Exam Name: Huawei Certified ICT Professional - Wireless Local Area Network- Planning and Optimizing Enterprise WLAN
Last Update: May 2, 2024
Questions: 282
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