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

Huawei H12-322 Huawei Certified ICT Professional - Wireless Local Area Network- Planning and Optimizing Enterprise WLAN Exam Practice Test

Demo: 42 questions
Total 282 questions
Get H12-322 Full Access Download H12-322 PDF

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

Question 1

The WLAN high-density venue business can achieve 100% concurrent users under a good experience.

Options:

A.

True

B.

False

Question 2

Which of the following three formats can be planned with the WLAN planning tool?

Options:

A.

Google Earth

B.

Bitmap (jpg, gif, bmp, etc.)

C.

PDF drawings

D.

Vector graphics ( ai, odr, etc.)

Question 3

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

Question 4

The following description of the steps for Layer 2 roaming is wrong?

Options:

A.

The STA listens to each channel beacon and finds that AP2 satisfies the roaming condition and sends a probe request to AP2.

B.

AP2 responds by sending a response on channel 6 after receiving the request in channel 6 (the channel used by AP2)

C.

The STA sends the 802.11 disassociation information to the AP1 through the channel 6 (the channel used by the AP2), and the association between the user and the AP1 is released.

D.

The STA sends an association request to AP2 through channel 6, and AP2 responds with the association response to establish an association between the user and AP2.

Question 5

Which of the following is the correct description of the steps for working with the WLAN Tester 2.0 tool?

Options:

A.

New Project -> Import Drawing -> Set Scale -> Load NIC -> Start -> Dot -> End

B.

New Project -> Import Drawing -> Load NIC -> Set Scale -> Start -> Dot -> End

C.

New Project -> Import Drawing -> Set Scale -> Start -> Dot -> End

D.

New Project -> Set Scale -> Import Drawing -> Load NIC -> Start -> End

Question 6

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

Options:

A.

True

B.

False

Question 7

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

Options:

A.

1

B.

4

C.

6

D.

8

Question 8

On the Huawei chassis switch S12708, the ACU2 board has a larger AP capacity than the X1E board.

Options:

A.

True

B.

False

Question 9

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

Options:

A.

Car wireless link redundancy

B.

CBTC deployment dual wireless network

C.

PIS car communication double network

D.

Using the 802.11n protocol

Question 10

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

Options:

A.

Office coverage, high concurrency, medium density

B.

Concert hall coverage, low concurrency, high density

C.

ward inspection, no bandwidth requirements, need good coverage

D.

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

Question 11

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

Options:

A.

4

B.

8

C.

16

D.

32

Question 12

400mW = () dBm?

Options:

A.

20dBm

B.

23dBm

C.

25dBm

D.

26dBm

Question 13

In HT40 mode, the primary channel sends beacon packets and some data packets, and the secondary channel sends other packets.

Options:

A.

True

B.

False

Question 14

In the WDS and Mesh networks, in order to avoid interference of other signals on the backbone link, the 2.4 GHz band is generally used as the frequency band of the network backhaul.

Options:

A.

True

B.

False

Question 15

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:

A.

The network card must be loaded before each survey.

B.

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

C.

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

D.

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

Question 16

User requirements definition is the stage of Huawei's enterprise service life cycle completed?

Options:

A.

Design

B.

Planning

C.

Implementation

D.

Operation

Question 17

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:

A.

2.4GHz -22dBm, 5GHz -20dBm

B.

2.4GHz -21dBm, 5GHz -15dBm

C.

2.4GHz -20dBm, 5GHz -14dBm

D.

2.4GHz -20dBm, 5GHz -20dBm

Question 18

What is the correct description of the CAPWAP broken link business retention function?

Options:

A.

By default, the CAPWAP broken link service hold function is enabled.

B.

By default, the CAPWAP broken link service hold function is not enabled.

C.

In the tunnel forwarding mode, the CAPWAP is broken and the user service is not interrupted.

D.

In direct forwarding mode, CAPWAP is broken, and user services are not interrupted.

Question 19

Use the AP8130DN external H33_V33_13dBi directional antenna to meet the basic services such as browsing the webpage under the FCC limit, and the farthest coverage distance

What is the approximate amount?

Options:

A.

Mobile phone 50m, notebook 80m

B.

Mobile phone 290m, notebook 220m

C.

Mobile phone 220m, notebook 290m

D.

Mobile phone 80m, notebook 50m

Question 20

A WLAN campus network adopts the independent AC (ACU2/AC6605/AC6005) deployment mode. This method does not support the following reliability methods. case?

Options:

A.

VRRP hot standby solution

B.

Dual-link cold standby solution

C.

Dual-link hot standby solution

D.

Stacking hot standby solution

Question 21

AP6010N, HT40, short GI VAP, MCS parameters By default, the highest link rate is the following?

Options:

A.

260Mbps

B.

270Mbps

C.

288Mbps

D.

300Mbps

Question 22

The following is true about the indoor placement type AP?

Options:

A.

Indoor-mounted APs are suitable for scenes with high wireless user density

B.

Compared with indoor distributed AP, the indoor radio type AP has a large transmitting power.

C.

Compared with indoor distributed AP, the indoor radio type AP has low transmission power

D.

Indoor-mounted APs are suitable for scenarios with low wireless user density

Question 23

What is the correct description of the indoor distributed AP?

Options:

A.

The AP6310SN has only one radio port.

B.

AP9330DN room division scheme, 20m feeder is not recommended

C.

The RF cable of AP9330DN and AP9430DN can be shared.

D.

AP9430DN-24 does not have an RF port.

Question 24

Which of the following reliability schemes is supported by the on-board AC deployment mode of a WLAN campus network?

Options:

A.

VRRP backup

B.

N+1 hot backup

C.

Stacking hot standby

D.

N+1 cold backup

Question 25

Which of the following tools can an engineer use when planning a WLAN network?

Options:

A.

WLAN Planner

B.

WLAN Tester

C.

Mobile phone

D.

Telescope

Question 26

Which of the following authentication methods has the longest roaming time?

Options:

A.

OPEN

B.

802.1x certification

C.

WEP+PSK

D.

Portal

Question 27

Which of the following certifications can achieve fast roaming?

Options:

A.

Share-key

B.

WPA+PSK

C.

WPA2+802.1x

D.

WPA2+PSK

Question 28

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

Options:

A.

AP6510DN

B.

AP8030DN

C.

AP8130DN

D.

AP9430DN

Question 29

When using WLAN Tester 2.0 tool for data analysis, the signal strength of a certain point is in the heat map of the single AP refresh and the heat map of the whole network refresh.

kind.

Options:

A.

True

B.

False

Question 30

When planning a WDS network, what kind of radio is generally preferred for wireless bridged links?

Options:

A.

2.4GHz

B.

5GHz

C.

2.4GHz and 5GHz are recommended

D.

Both 2.4GHz and 5GHz are not recommended, and bridges require special frequency bands.

Question 31

The following is about the site survey of the outdoor bridge backhaul project. Is the correct statement?

Options:

A.

Pay attention to the installation conditions of the leaf site during the survey, including AP, antenna installation height, power supply mode, etc.

B.

If the leaf node still needs to be covered by hotspots, it is necessary to install the survey content of the outdoor coverage to survey the coverage area environment.

C.

The aggregation node can connect to the root node as much as possible to ensure that the bridge has sufficient bandwidth.

D.

The path between the sites should be directly visible

Question 32

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

Question 33

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

Question 34

What is the correct description of the indoor distribution type AP6310SN?

Options:

A.

The power splitter has multiple interfaces. When signals enter from any one interface, they are equally divided into multiple signal outputs.

B.

When the AP is at the center of the room division network, it is recommended to use a single power splitter for direct splitting.

C.

When the AP is at one end of the room division network and the coverage area is large, it is recommended to use a coupler for signal splitting.

D.

Power splitters and couplers cannot be used in the same network at the same time

Question 35

WLAN engineers need to test the actual attenuation values ​​of different channels in an obstacle in the room. Which of the following steps is correct?

1. Configure the 2.4G and 5G signals of the fat AP, place and turn on the signal source.

2. Select the obstacle to be tested

3. Using the signal scanning tool, test the field strength of the signal on both sides of the obstacle.

4. The subtraction of the two can calculate the attenuation value of the obstacle.

Options:

A.

1234

B.

2143

C.

1324

D.

2134

Question 36

After the deployment of the WLAN project is completed, which of the following tools is required for acceptance?

Options:

A.

WLAN Survey

B.

WLAN Tester 2.0

C.

WLAN Planner

D.

Antenna Alignment

Question 37

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:

A.

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

B.

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

C.

Signal collection is a process that takes enough time to save

D.

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

Question 38

Which of the following options are the design principles for WLAN outdoor sites?

Options:

A.

In the wireless relay application scenario, as long as the line of sight is reachable between the stations

B.

Avoid interference from strong electric and other signals near the site

C.

Site needs to have reliable power

D.

The higher the location of the site, the better.

Question 39

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.

Question 40

What is the need to go to the scene during the WLAN planning process?

Options:

A.

Outline design

B.

Product selection

C.

Demand collection

D.

Pre-sales survey

Question 41

Which of the following PoE powering solutions can power the AP?

Options:

A.

PoE powering the AP through the PoE switch

B.

PoE powering the AP through AC6005-8

C.

PoE powering the AP through the A feeder

D.

Powering the AP through the PoE power injector

Question 42

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

Load More H12-322 Questions
Demo: 42 questions
Total 282 questions
Get H12-322 Full Access Download H12-322 PDF