HCS-Field-IVS (Huawei Certified Field Specialist-Intelligence Video Surveillance) (H20-871-ENU) Free Practice Test

Question 1

The video captured after the camera turns off the white balance function is similar to the color of the scene seen by the human eye.

A. False

B. True

Correct Answer: A

Question 2

1 Mbps bit rate network camera stores a day of video recording, which requires approximately () GB capacity.

A. 22

B. 30

C. 5

D. 11

Correct Answer: D

Question 3

When multiple point cameras are installed in a certain area, real-time monitoring of multiple key areas is required (the key monitoring area exceeds the number of camera points). Which of the following functions can be implemented?

A. PTZ control

B. Cruise

C. Round tour

D. Video on the wall

Correct Answer: B

Question 4

For the description of the focal length, which of the following options are wrong?

A. The focal length of the lens determines the size of the image formed by the subject on the film.

B. The ratio of the long focal length to the short focal length of the zoom lens is called the zoom ratio

C. The focal length determines how far the object can be seen and how wide the scene can be seen clearly.

D. In general, the longer the focal length, the shorter the lens barrel

Correct Answer: D

Question 5

Which function can effectively compensate for the darkness of the main body of the picture when the camera is shooting in a backlight environment?

A. White balance

B. Strong light suppression

C. Backlight compensation

D. Automatic gain

Correct Answer: C

Question 6

Huawei video surveillance camera products support EPON interfaces.

A. False

B. True

Correct Answer: A

Question 7

Huawei guns can be equipped with a variety of shields.

A. False

B. True

Correct Answer: B

Question 8

Which of the following configuration parameters need to be collected when using the VCN3000 to interconnect with the external domain? (Multiple choice)

A. Interconnect coding

B. External domain port

C. External domain network parameters

D. Interconnect agreement

Correct Answer: A,B,C,D

Question 9

Which of the following resolutions are less than megapixels?

A. 1080I

B. D1

C. 720P

D. 1080P

Correct Answer: B

Question 10

Huawei IPC supports access to two IPC of one fiber through ( ) technology.

A. Optical transceiver

B. Fiber switch

C. SFP module

D. Photoelectric series

Correct Answer: D

Question 11

Which of the following phenomena may be caused by network anomalies? (Multiple Choice)

A. Live broken screen

B. Platform video interruption

C. Video playback broken screen

D. PTZ operation is not responding

Correct Answer: A,B,C,D

Question 12

The default service network port is eth0 when the VCN3000 is delivered.

A. FALSE

B. TRUE

Correct Answer: A

Question 13

The focal length is an important performance indicator for the lens. The length of the lens focal length determines the imaging and viewing angle of the shot. The smaller the focal length, the larger the field of view.

A. False

B. True

Correct Answer: B

Question 14

The service running management interface of the OMU Portal of VCN3000 can be used to restart or shut down the local and lower-level domain devices.

A. FALSE

B. TRUE

Correct Answer: A

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Huawei HCS-Field-IVS (Huawei Certified Field Specialist-Intelligence Video Surveillance) (H20-871-ENU) Free Practice Test