Huawei Certified ICT Professional - Wireless Local Area Network- Planning and Optimizing Enterprise WLAN Question and Answers

Huawei Certified ICT Professional - Wireless Local Area Network- Planning and Optimizing Enterprise WLAN

Last Update May 21, 2024
Total Questions : 282

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Questions 1

Users use the WLAN Tester 2.0 tool to perform the survey and must load the network card before starting the survey.

Regarding the NIC loading, the following statement is correct?

Options:

The network card must be loaded before each survey.

After opening the tool, you only need to load the network card once.

After entering the tool for the first time, the network card must be loaded when starting the survey.

After opening the tool to load the network card, the second network card will be loaded automatically, but there is an interval between them.

Discussion 0

Questions 2

Which of the following options is not a PoE term?

Options:

PSE

POU

Discussion 0

Questions 3

The number of X1E boards on the S127xx on the Huawei chassis switch S127xx and the manageable AP scale are Mac (the number of AC boards with the board ×

The number of APs supported by the card, the maximum number of APs in the S127xx.

Options:

True

False

Discussion 0

Questions 4

The United States complies with the FCC standard. In an outdoor road scenario, an AP8030DN uses channels 1 and 149 for road coverage, and a single spatial stream terminal is connected.

In the case of considering the MIMO gain, regardless of the feeder loss, what is the maximum transmit power of the AP 2.4 GHz and 5 GHz, respectively?

Options:

2.4GHz -22dBm, 5GHz -20dBm

2.4GHz -21dBm, 5GHz -15dBm

2.4GHz -20dBm, 5GHz -14dBm

2.4GHz -20dBm, 5GHz -20dBm

Discussion 0

Questions 5

The following is true about the WLAN actual site survey in the trace (network cable or fiber), power supply is correct?

Options:

Confirm the overall rules of the route, you need to confirm with the owner whether you can punch through the wall, whether you can take the open line, whether there is conditional hidden line, the network cable is

Do you want to use a wire slot or add a conduit?

In the survey process, the length of the trace should be calculated according to the actual environment, and the length of the trace is not required.

If the AP needs AC power supply, it needs to confirm the location of the power supply. If there are special requirements for the route in some locations, additional marking is required.

In the outdoor scene survey, each outdoor AP installation location needs to consider the routing problem.

Discussion 0

Questions 6

Usually, what is the attenuation of 2.4GHz at 10 meters?

Options:

32dB

53dBm

71dBm

92dB

Discussion 0

Questions 7

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

Options:

Video

Web

VoIP

Discussion 0

Questions 8

When WLAN outdoor coverage planning is to ensure no interference, the uplink and downlink field strength is not less than -75dBm to ensure the service experience of the edge coverage.

Options:

True

False

Discussion 0

Questions 9

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:

30Mbps

90Mbps

150Mbps

300Mbps

Discussion 0

Questions 10

Which of the following outdoor APs supports dual 5G deployment scenarios?

Options:

AP6510DN

AP8030DN

AP8130DN

AP9430DN

Discussion 0

Questions 11

Which of the following types of wireless users' data traffic must not pass through the wireless controller?

Options:

Layer 2 networking + direct connection + tunnel forwarding

Layer 2 networking + direct connection + direct forwarding

Layer 3 networking + side-by-side + tunnel forwarding

Layer 3 networking + side hanging + direct forwarding

Discussion 0

Questions 12

Which of the following APs support optical port data transmission?

Options:

AP6510DN

AP6610DN

AP8030DN

AP8130DN

Discussion 0

Questions 13

The following figure is a typical WLAN networking diagram. Which of the following is correct about this figure?

Options:

This network diagram is the data forwarding mode of the datagram. All data packets in the figure are not AC.

All management messages must be forwarded through the tunnel.

All signaling packets can be forwarded directly without forwarding through the tunnel.

The wireless user service data in this network needs to be converted to 802.3 and 802.11 packets on the AC, and then through the upstream aggregation switch.

Forwarding

Discussion 0

Questions 14

Under normal circumstances, the room division system trunk line or longer distance (greater than 50 meters) transmission considers signal attenuation, it is recommended to use 1/2 feeder line; branch line or close range transmission

For the convenience of installation and construction, it is recommended to use 1/2 super soft feeder.

Options:

True

False

Discussion 0

Questions 15

Which of the following devices can be used as PDs?

Options:

Wireless AP

PoE switch

AC6605

VoIP phone

Discussion 0

Questions 16

Regarding the functions of the Huawei WLAN Survey PAD survey tool, is the following statement correct?

Options:

Pad survey tool can generate network gauge report, AP list, bill of materials

Pad survey tool export project is to re-import the post-construction project into the planning tool for further planning, and then import it into the WLAN.

Tester 2.0 tool compared to actual collected data

Wi-Fi interference source location and power test functions are available for both the WLAN Planner tool and the Pad tool.

For a building, using the Pad survey tool for the obstacle attenuation test, the surveyor is required to test each obstacle.

Discussion 0

Questions 17

How many dB of directional antenna attenuation is the main lobe width of the phenomenon?

Options:

Discussion 0

Questions 18

What is the correct statement about WLAN channel planning?

Options:

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

Infrared interference needs to be considered when planning

Radar interference needs to be considered during planning

Avoiding signal interference when planning

Discussion 0

Questions 19

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:

True

False

Discussion 0

Questions 20

The outdoor bridge backhaul needs to focus on confirming the installation of the AP at the node and paying attention to the transmission path between the nodes.

What is the correct statement about leaf nodes, aggregation nodes, and transmission paths?

Options:

If the leaf node needs to be used for coverage, it is necessary to pay attention to the outdoor coverage of the survey.

If there are multiple aggregation points, you need to confirm the location of each aggregation point. Each aggregation point also needs to confirm the AP installation location and power supply mode.

There should be no obstructions or distances between the convergence points and leaf nodes. There are allowed between the relay nodes and the convergence points, relay nodes and leaf points.

Obstacle obstruction

The transmission path is the path between the stations. In the site survey, it is necessary to confirm the distance between the connected nodes. The PMP mode needs to confirm the most between the links.

large angle

Discussion 0

Questions 21

The following statement about the room division device is correct?

Options:

The combiner can synthesize multiple input signals and output them, and then separate and filter the mixed signals.

The splitter can divide one signal equally into multiple outputs

The coupler is a power splitter whose output power is not equally divided. It takes the required signal energy from the main line to the far-end antenna, and allocates more.

Signal energy to the proximal antenna

The WLAN room sub-network generally uses a microstrip power splitter, which has low power and low cost compared to the cavity power splitter.

Discussion 0

Questions 22

Which of the following two scenarios does the WLAN room sub-plan apply to?

Options:

Office coverage, high concurrency, medium density

Concert hall coverage, low concurrency, high density

ward inspection, no bandwidth requirements, need good coverage

Hotel rooms are covered, the rooms are small and dense, and there are certain requirements for coverage area and field strength.

Discussion 0

Questions 23

FAT AP is also called "fat" AP architecture or self-contained structure. It is mainly used in large and medium-sized enterprise networks and belongs to mainstream architecture solutions.

Options:

True

False

Discussion 0

Questions 24

The following is a preliminary description of the preliminary planning before the survey?

Options:

For indoor coverage scenarios, preliminary planning of the number and location of APs can be based on customer needs and drawings.

When planning the initial planning, pay attention to the unclear part of the information, mark it, and pay attention to the site survey.

Preliminary planning of the outdoor bridge, you can use Google Earth to mark the location and bridge path to initially evaluate the feasibility.

Preliminary planning of outdoor bridges, focusing on the distance between stations, altitude occlusion, etc.

Discussion 0

Questions 25

In which of the following cases must the DHCP relay function be enabled?

Options:

When the DHCP server and the terminal are not in the same VLAN

When the DHCP server is to be secured

When the terminal is using dot1x authentication

When the terminal is a guest's web portal authentication

Discussion 0

Questions 26

What are the general methods of WLAN planning?

Options:

Demand collection

Product selection

Business negotiation

Deployment design

Discussion 0

Questions 27

Which of the following channels and adjacent channels have adjacent channel interference?

Options:

Discussion 0

Questions 28

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:

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

Reduce the current drawing scale

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

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

Discussion 0

Questions 29

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:

Recommended coupling

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

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

Can provide dual frequency coverage

Discussion 0

Questions 30

400mW = () dBm?

Options:

20dBm

23dBm

25dBm

26dBm

Discussion 0

Questions 31

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

Options:

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.

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

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

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

Discussion 0

Questions 32

Which of the following is not a way to increase the range of coverage signal strength?

Options:

Adjust the AP position

Reduce the transmit power

Adjust the antenna angle

Increase the transmit power

Discussion 0

Questions 33

When using the WLAN Tester 2.0 tool, the dot speed is preferably controlled from 0.8m/s to 1.2m/s. What is the correct statement about the dot speed?

Options:

The speed is too fast, the heat map is not accurate, and the heat map abnormality may occur.

The speed is too slow, the amount of sampled data is too large, and the heat map calculation time is lengthened.

Signal collection is a process that takes enough time to save

This is to ensure that the normal walking speed of ordinary people is consistent.

Discussion 0

Questions 34

Which of the following encryption methods supports fast roaming when the terminal supports it?

Options:

wpa+psk

wpa2+psk

wpa2+802.1x

wep

Discussion 0

Questions 35

The following description of the role of the coupler is wrong?

Options:

Combine multiple input signals into one output, and then split the mixed signal in the opposite direction.

Average one signal into multiple outputs

Take the required signal energy from the main line to the near-end antenna and allocate more signal energy to the far-end antenna

Connect the RF port of the AP to the antenna interface.

Discussion 0

Questions 36

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:

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

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

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

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

Discussion 0

Questions 37

In the project, the two points are separated by 4.5km. In order to realize the data return between the two points, what information does the engineer need to collect?

Options:

Bandwidth requirements

Obstacle information between two points

2.4G channel usage between two points

5G channel usage between two points

Terminal type

Discussion 0

Questions 38

What is the default priority of VRRP?

Options:

100

255

Discussion 0

Questions 39

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

Options:

1 channel

6 channels

11 channels

14 channels

Discussion 0

Questions 40

The following is not the design of the rail transit redundancy business?

Options:

Car wireless link redundancy

CBTC deployment dual wireless network

PIS car communication double network

Using the 802.11n protocol

Discussion 0

Questions 41

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

Options:

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

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

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

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

Discussion 0

Questions 42

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

Options:

True

False

Discussion 0

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Huawei Certified ICT Professional - Wireless Local Area Network- Planning and Optimizing Enterprise WLAN H12-322 Exam Questions with Experts Answers Updated Recently

Huawei Certified ICT Professional - Wireless Local Area Network- Planning and Optimizing Enterprise WLAN Question and Answers

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