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Question # 4

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

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

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Question # 5

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

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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Question # 6

In an Mesh network, is the AP connected to the AC through a wire called?

A.

MP ( Mesh Point)

B.

MAP (Mesh Access Point)

C.

MPP ( Mesh Portal Point)

D.

Root AP

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Question # 7

Which of the following authentications does not support key down?

A.

Share-key

B.

WPA+PSK

C.

WPA+802.1x

D.

WPA2+PSK

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Question # 8

In an outdoor wireless coverage scenario of a WLAN, the AP6510DN is used to cover the external antenna, and the throughput of the wireless terminal is maintained at a low value.

What are the reasons for the results?

A.

Test terminal to support 802.11ac

B.

Interference causes a drop in throughput

C.

RSSI is too low, the link speed is low

D.

Flow rate limit configurationd

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Question # 9

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

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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Question # 10

Which of the following options is not a scene-aware element of user access control in high-density?

A.

Who

B.

Where

C.

When

D.

Which

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Question # 11

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).

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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Question # 12

Regarding WLAN mobility capabilities, the following statement is wrong?

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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Question # 13

The device selected for a WLAN project is AC6605. Which of the following networking scenarios is applicable to this independent AC solution?

A.

WLAN overlay networking

B.

Independent management of wired and wireless services

C.

Wired and wireless traffic convergence and forwarding

D.

Unified management of wired and wireless users

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Question # 14

Which of the following technologies can be used in a WLAN high-density deployment scenario?

A.

Turn on 2.4G and 5G dual frequency

B.

Increase AP transmit power

C.

Turn on pure N mode

D.

Turn on the signal threshold access

E.

Using room divider antenna

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Question # 15

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

A.

1

B.

4

C.

6

D.

8

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Question # 16

In the active/standby dual-link scenario, the default CAPWAP heartbeat is set to?

A.

15s * 6

B.

25s * 3

C.

20s * 3

D.

25s * 6

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Question # 17

In the WLAN coverage, the accuracy of wireless positioning is closely related to AP signal coverage.

A.

True

B.

False

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Question # 18

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

A.

True

B.

False

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Question # 19

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

A.

4

B.

8

C.

16

D.

32

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Question # 20

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?

A.

Key coverage areas

B.

Ordinary coverage area

C.

Blind area

D.

AP deployment area

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Question # 21

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

A.

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

B.

When the DHCP server is to be secured

C.

When the terminal is using dot1x authentication

D.

When the terminal is a guest's web portal authentication

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Question # 22

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

A.

True

B.

False

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Question # 23

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

A.

True

B.

False

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Question # 24

The user traffic of an enterprise WLAN is not very large, and there is no traffic bottleneck in the network. For WLAN security, the customer wants to manage it in a unified manner.

For WLAN data, which of the following networking methods can customers choose?

A.

AC bystander data is directly forwarded

B.

AC bypass data tunnel forwarding

C.

Direct forwarding of Layer 3 networking data

D.

Layer 2 networking data direct forwarding

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Question # 25

Which of the following devices has an internal antenna?

A.

AP6510DN

B.

AP8030DN

C.

AP8130DN

D.

AT815SN

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Question # 26

Which three factors are related to the WLAN signal path attenuation?

A.

Transmission distance

B.

Environmental type

C.

Signal frequency

D.

Antenna direction

E.

Latitude and longitude

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Question # 27

The AC is configured as follows. How long does it take to open RTS/CTS when the length of the packet exchanged between the terminal and the AP?

[AC6605-wlan-view] radio-2g-profile name default

[AC6605-wlan-radio-2g-prof-default] rts-cts-mode rts-cts

[AC6605-wlan-radio-2g-prof-default] rts-cts threshold 1500

A.

<1500 Byte

B.

1500 Byte

C.

>1500 Byte

D.

1024 Byte

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Question # 28

In the process of AC dual link building, what information does the AP organize?

A.

AC IP address

B.

AC active and standby priority

C.

AC dual link feature switch

D.

AC MAC address

E.

AC model

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Question # 29

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

A.

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

B.

All management messages must be forwarded through the tunnel.

C.

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

D.

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

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Question # 30

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.

A.

True

B.

False

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Question # 31

What is the correct description of PoE power supply below?

A.

PoE power supply refers to powering the AP through the AC adapter.

B.

If you use PoE adapter to supply power, just ensure that the cable between the PoE adapter and the AP does not exceed 80 meters.

C.

AP6610DN is preferably powered by PoE mode.

D.

If the PoE power supply meets the 802.3at standard, the power supply of each power supply port can reach 30W.

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Question # 32

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.

A.

True

B.

False

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Question # 33

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

A.

260Mbps

B.

270Mbps

C.

288Mbps

D.

300Mbps

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Question # 34

The AP number is calculated only from the bandwidth without considering other factors such as attenuation and interference. Take 802.11n as an example: the measured rate of each AP.

About 100Mbps, there are 10 office areas in an office building, 40 people per office area, and customers require bandwidth per terminal.

2Mbps, all users online companion rate is calculated according to 70%, how many APs are needed for the office building?

A.

4

B.

5

C.

6

D.

7

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Question # 35

The transmit power of an AP radio is 100mW, the loss of the link feeder is 3dB, and the gain of the antenna is 7dBi. What is the EIRP of the antenna?

A.

200mW

B.

250mW

C.

300mW

D.

400mW

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Question # 36

Which of the following functions is not a function of Huawei WLAN Planning Tool?

A.

AP calculator

B.

AP positioning

C.

WLAN signal simulation

D.

Export the bill of materials

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Question # 37

What are the precautions in using the WLAN Survery PAD survey tool for pre-sales network planning?

A.

There must be a survey of the construction environment and know the corresponding scale

B.

Label the obstacle information as detailed as possible, keeping it consistent with the actual environment.

C.

The customer's needs must be clear, and the actual number of people needs to consider the concurrency rate according to the actual situation.

D.

For some unclear information, the surveyor is required to estimate relevant information for surveying.

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Question # 38

When planning the AC to authenticate the AP, what are the three methods that can be selected?

A.

mac-auth

B.

sn-auth

C.

mac-sn-auth

D.

no-auth

E.

ip-auth

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Question # 39

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?

A.

16

B.

24

C.

32

D.

40

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Question # 40

Which of the following devices can be used as PDs?

A.

Wireless AP

B.

PoE switch

C.

AC6605

D.

VoIP phone

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Question # 41

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?

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.

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Question # 42

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?

A.

Bandwidth requirements

B.

Obstacle information between two points

C.

2.4G channel usage between two points

D.

5G channel usage between two points

E.

Terminal type

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