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H20-871 Questions and Answers

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H20-871 Questions and Answers

Question # 6

x3221-CL is generally installed in indoor corridors for face recognition

A.

Yes

B.

No

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Question # 7

In the vCN3010 stacking mode, in order to solve the problem of a single point of failure in the domain, you need to use the active and standby dual machines to increase user costs

A.

Yes

B.

No

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Question # 8

Which of the following is the path to the database file

A.

/ home / postgres / data

B.

/ home / postgres

C.

/ DB_DATA

D.

/ opt / DB_DATA

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Question # 9

The service network port of the lightweight cloud is 10GE, so it corresponds to the 10 Gigabit electrical port switch

A.

Yes

B.

No

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Question # 10

(Multiple choices) Professional face detection models. Faces are darker in backlit scenes. You can adjust the image in the following ways

A.

Turn on strong light suppression to suppress background brightness and avoid overexposure of faces and backgrounds

B.

Turn on backlight compensation and configure the compensation area

C.

Enable face brightness compensation and configure compensation coefficients

D.

Turn on WDR and adjust the WDR

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Question # 11

There are two methods for CLoudivs3000's CsP data backup, one is automatic backup and the other is manual backup

A.

Yes

B.

No

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Question # 12

In a video surveillance system. The commonly kNown domain city is the physical domain

A.

Yes

B.

No

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Question # 13

In the VCN3010 cluster mode, some servers may be overloaded and some are idle

A.

Yes

B.

No

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Question # 14

The full name of VWU is

A.

Virtual Machine Unit

B.

Video Management Unit

C.

Virtual Media Unit

D.

Media Process Unit

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Question # 15

When the gun-type SDC is started, the STAT indicator changes as follows: light off → orange → green

A.

is

B.

No

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Question # 16

The multi-select VCN has the whole network intelligent function, which can be obtained from the camera , and sent to VCm for analysis and retrieval.

A.

Mouth metadata

B.

Mouth video

C.

Mouth electronic map

D.

Mouth picture

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Question # 17

CLoudivs3000 installation of the management business Node operation needs to install the ivs business application

A.

Yes

B.

No

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Question # 18

When taking a picture, the local snapshot can only capture the live, Not the video playback

A.

Yes

B.

No

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Question # 19

CloudIVS3000's business network uses

A.

Gg mouth

B.

2 * 10GE port

C.

10GE mouth

D.

2 * GE mouth

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Question # 20

The same resolution, using the H.264 protocol has a lower bit rate than the H.265 protocol

A.

Yes

B.

No

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Question # 21

Video Digest technology currently does Not support 4K video summary processing

A.

Yes

B.

No

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Question # 22

VCN3o10CMU is deployed on each server in the cluster, and the runtime is divided into Master and s1ave roles. The master is the brain of the cluster, responsible for scheduling decisions in the cluster, and S1ave is responsible for routing status reporting and scheduling decisions Message .

A.

Yes

B.

No

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Question # 23

Which port is used for CSP OM Portal login in Cloudivs 3000?

A.

8443

B.

31943

C.

9900

D.

8800

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Question # 24

(Multiple choice) The following models are face capture / recognition models

A.

Mouth 2221-FL (8-32m)

B.

X2221-FLG

C.

Mouth x1221-F

D.

X2221-CL

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Question # 25

In the live browsing process, when the user selects the camera on the CU, the user is authenticated by and the URL is of Forward .

A.

MU

B.

MAU

C.

Smu

D.

DCG

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Question # 26

Which of the following factors will Not affect the detection effect of the full-structure camera in the horizontal and horizontal mode

A.

Face and license plate size

B.

Crowded crowds, pedestrians blocking each other

C.

person and license plate angle

D.

Speed above 80km / h

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Question # 27

(Multiple choice) What are the benefits of clustering

A.

High availability

B.

High port scalability

C.

High performance

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Question # 28

Huawei 8 million cameras. The default encoding protocol, bit rate type and bit rate value are

A.

H.265, variable bit rate, 12M

B.

H.264, variable code rate, 8M

C.

H.265, fixed code rate, 8M

D.

H.264, fixed code rate, 12M

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Question # 29

(Multiple choice) Which of the following functions can be analyzed?

A.

Face recognition

B.

Behavior recognition

C.

Motion Detection

D.

License Plate Recognition

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Question # 30

The main difference between vCN510-16P and vC510-16PD is that the latter is powered by a DC power supply

A.

Yes

B.

No

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Question # 31

When the micro bayonet camera monitors the lane scene, the installation height of the camera should be at

A.

3m-4.5m

B.

Between 2m and 4m

C.

No height requirements

D.

4.5m- 6

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Question # 32

It is recommended to install the flash as close to the camera as possible to improve the brightness of the picture

A.

Yes

B.

No

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Question # 33

VCN videos and pictures must be stored on different servers

A.

is

B.

No

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Question # 34

The protective cover of the x1221-V gun supports the on-off of the fill light and the brightness adjustment

A.

Yes

B.

No

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Question # 35

The default password for the web terminal to connect to onvif / hwsdk is huawei123. Login to the WEB terminal for the first time to modify the WEB.

Password After that, the password of onvif / hwsdk docking will also be changed

A.

Yes

B.

No

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Question # 36

VCN5X0 is a low-cost VCN device using a common server platform

A.

Yes

B.

No

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Question # 37

(Multiple choices) VCN30x0 supports local domain interconnection protocols:

A.

T28181 +

B.

T669

C.

ONVIF

D.

T28181

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Question # 38

(Multiple choices) Where can I set server time during lightweight cloud installation

A.

Configure UTC time with BIos

B.

Configuration via IVS application software

C.

Automatically set after networking

D.

Configure current time zone through iBmc

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Question # 39

The following phenomena can be summarized as the CU crash phenomenon.

A.

CU cannot be operated, and a dialog box pops up, waiting for the user to confirm the shutdown.

B.

CU suddenly disappeared during use, and it does Not exist in the task tray at the bottom. Also Not stored in the process manager In HW.IVS.UI.exe

C.

CU During use, the title position of the interface window shows waiting for a response, waiting for more than 20 seconds

D.

CU suddenly disappeared during use, but HW.IVS.UI.exe still exists in the process manager

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Question # 40

In the electronic map management of VCN, after the user adds a map, the system will automatically upload the map file to the server

A.

Yes

B.

No

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Question # 41

In the VCN3010 cluster root mode, when a task is requested, the system automatically selects the optimal server based on the load

A.

is

B.

No

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Question # 42

Use ISO image file to reinstall VCN3010, VCN3020 operating system and IVs software at the same time

A.

is

B.

No

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Question # 43

Cloudivs3000 The default binding mode of two 10G optical ports is

A.

LACP load sharing mode

B.

Active / standby mode

C.

Balance mode

D.

Broadcast mode

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Question # 44

In Cloudivs3000, what network plane does the PC need to connect to log in to CSP OM PORTAL

A.

External management network

B.

Internal business network

C.

External business network

D.

Internal management network

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