H12-521_V1.0-ENU Online Training Archives

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1. When configuring the monitoring platform to connect with the analysis platform, if you forget to perform the " synchronize camera " operation on the Holosens iClient, what will be the consequences?

The camera cannot be connected to the intelligent vision platform

Can't see the camera's live status on the iClient

The recording plan cannot be configured on the iClient

Intelligent analysis cannot be performed on the subsequent intelligent vision platform

2. Which of the following are the reasons for the local PC cannot find the snapshot and video files? (Multiple Choice)

Browser settings, that is, enable " protected mode "

The network condition is not good, causing the packet loss rate to be too high

When the native operating system is Windows 7/8/10 operating system, the browser is not run as an administrator

The local firewall is not disabled

3. Which of the following descriptions about the view library system interface is wrong?

All levels of video information databases are interconnected through cascading interfaces

Cross-level fortification information interaction needs to be completed through the corresponding interface, and non-cross-level fortification information interaction can be completed without the corresponding interface.

Depending on the data of each subsystem of the library, the information interaction needs to be completed through the corresponding interface

Through the collection interface, the video data can be collected into the video information database

4. If the user created on iClient has exceeded the " valid time period ", which of the following operations need to be performed to ensure that the user can log in to the iClient client again?

Check whether the username and password are correct, if they are correct, you can log in again in 5 minutes

Log in to iClient as the admin user and check whether the access platform and the analysis platform are successfully connected

Log in to iClient as the admin user, and modify the user's account usage time in the " User Management > User Maintenance " interface

Execute the ping command on the PC where the iClient located to check the network connectivity between the PC and the server

5. SDC os is based on the characteristics of the container, ensuring that the camera can be started normally only after the integrity and legality of the system software package is verified during the startup phase, avoiding the malicious flashing of the outdoor deployment camera, and intruding into the user network.

True

False

6. If each Huawei HoloSens IVS1800 is connected to 64 cameras, how many IVS1800 can one iclient support at most?

7. For the two-way single-lane scene where vehicles pass, which of the following camera selection methods is most suitable for?

4-cylinder machine 2 ball machine

4-cylinder machine

2-cylinder machine 1 ball machine

3-cylinder machine 2 ball machine

8. The PowerCube500 alarm indicator flashes yellow slowly, indicating:

The module has an alarm and can be recovered

The module has an external fault and can be recovered

The module has an internal fault and cannot be recovered

The module has no power input or malfunction

9. The intelligent vision platform can conduct intelligent vehicle analysis by subscribing to the passing metadata of the smart camera.

True

False

10. At night, the brightness of the camera screen is too high. Which of the following methods can solve the problem?

Turn on the fog mode

Increase the brightness of the fill light

Increase the shutter speed

Reduce the brightness of the fill light

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11. Which of the following are regarding the smart vision platform equipment? (Multiple Choice)

Light edge

UPS

Micro-edge

Precision air conditioning

12. The chip of the intelligent vision platform widely uses the ARM architecture. ARM is characterized by a multi-core architecture and a simplified instruction set, but it is not as good as the x86 architecture in terms of achieving computational efficiency optimization.

True

False

13. Which of the following is not the Huawei Ho1oSens IVS1800 device model?

NS1800-C08-64T

VS1800-C08-4T

VS1800-C08-32T

VS1800-C08-16T

14. The electric zoom camera cannot adjust the focal length and focus on the camera Teb preview page.

True

False

15. When the application of IVS3800 is redeployed, the ESN of the server will change, but the license does not need to be re-applied.

True

False

16. Cross-line statistics refers to setting up a cordon in a designated area, counting the number of people entering and exiting, and alerting based on the difference in the number of people.

True

False

17. Huawei's integrated site provides power supply, energy storage, and photovoltaic modules for video sites, which can be adapted to various power supply scenarios such as pure mains, pure light, and optical hybrid.

True

False

18. Equipment upgrade operations include: (Multiple Choice)

Software version upgrade

Algorithm package upgrade

Load license

Restore the factory

19. Regarding the clone camera (also known as the shadow camera) on the intelligent vision platform, which of the following statement is correct? (Multiple Choice)

The shadow camera can back up and view data, so that users can identify the shadow camera in the backup domain

The reason for making a shadow camera is that before using the backup function, you must first clone the camera that needs to back up data to the backup destination server

The shadow camera will be displayed in the list of settings on the " Device Management ", " Backup Management " and " Video Playback " pages of iClient of the backup domain master

The shadow camera can also provide live functions for viewing by the backup domain platform

20. Which of the following statements about video recording is correct? (Multiple Choice)

The planned recording function can automatically record according to the time period planned by the user, so that the stored video can be retrieved and checked when needed.

Cache supplemental recording function is used to store the video of the bayonet camera on the camera SD card when the network is abnormal, but it does not support the structured data generated by the storage bayonet camera

The recording lock function can keep the recording or extend the recording retention time according to the user's needs, to retain the recording of the important area

Playback on the wall function to display live images on the large screen, which is convenient for users to view historical video images

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21. When configuring the bayonet camera, the smart properties of the bayonet camera configured on the platform must be consistent with the actual smart properties of the camera.

The reason is:

If the attributes of the bayonet camera configured on the platform are inconsistent with the attributes of the actual camera, the platform cannot view the camera's live status

If the attributes of the bayonet camera configured on the platform are inconsistent with the attributes of the actual camera, the camera cannot be connected to the platform

If the attributes of the bayonet camera configured on the platform are inconsistent with the attributes of the actual camera, the platform cannot record the camera

If the attributes of the bayonet camera configured on the platform are inconsistent with the attributes of the actual camera, the bayonet captured pictures will not be uploaded to the IVS platform for storage

22. When checking the license operating status of the intelligent vision platform, what needs to be focused on is whether the license status is activated and the license utilization rate.

True

False

23. Regarding the relationship between smart vision platform equipment and business requirements, which of the following description is correct?

The number of Huawei HoloSens IVS3800C 3. The impact of video image retrieval business volume

The number of Huawei HoloSens IVS3800R is affected by the volume of video surveillance network sharing services

The number of Huawei HoloSens IVS3800S changes to the impact of video image analysis services

The number of Huawei HoloSens IVS3800S and the impact of color video surveillance networking services

24. The original video can be directly used in big data retrieval applications without parsing and processing.

True

False

25. In light edge networking, the management TOR and business TOR need to be stacked.

True

False

26. What is included in camera commissioning? (Multiple Choice)

Camera network parameter configuration

Image quality configuration

Adjustment of image parameters such as camera exposure and white balance

Adjustment of the camera's field of view

27. The standard installation procedures and procedures of the video site include four stages, site survey, material prefabrication, foundation construction and installation and deployment.

True

False

28. Regarding UPS equipment, is the following description wrong? (Multiple Choice)

FusionPower is suitable for small data centers, such as branches, business outlets, offices, etc.

UPS2000 is suitable for large data centers, such as large cloud data centers, large enterprise headquarters, etc.

UPS5000 is suitable for medium and large data centers, such as dispatch centers, control centers, management centers and other key power supply scenarios

UPS2000 is suitable for small data centers, such as branches, business outlets, offices, etc.

29. Software-defined camera SDC "defines security cameras in the intelligent era with professional Al cores, open operating systems, and rich ecosystems."

True

False

30. Which of the following is suitable for the conditions that meet the requirements for the connection between the upper and lower domains of the intelligent vision platform?

The platforms are respectively IVS3S00 and IVS1800, and the docking protocol is ONVIF protocol

The platforms are IVS3800 and IVS3800 respectively: the docking protocol is ONVIF protocol

The platforms are IVS3300 and Mi 1estone respectively, and the docking agreement is NSS agreement

platform were IVS3800 and IVS3800 docking protocols for the NSS agreement

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31. Which of the following software interfaces can perform camera inspection operations?

Ho1oSens iCtient interface

Camera web interface

CSP maintenance interface

eSight network management interface

32. The Huawei video platform widely supports the ARM architecture. What are the characteristics of the ARM architecture?

flat with RISC instruction set length of a national, flexible, and simple addressing modes, high efficiency

Many registers are used most of the data operations are completed in the registers, the instruction execution speed is faster

It is a new entrant in the field of data center and its ecology is still in a stage of rapid development

Using the ARM architecture, the same functional performance occupies a small chip area, low power consumption, higher integration, and more hardware CPU cores have better concurrent performance

33. Which of the following are included in the low-level design (LLD) of the video site? (Multiple Choice)

Universal design

Site configuration BOQ

Site investigation report

Site configuration checklist

Site layout design

34. Which of the following applications does not belong to the scope of target recognition?

Objective 1: N search

Hair color comparison

Target 1:1 comparison

Age recognition

35. If the rod is deformed, it needs to be MD in time : If the rod is tilted, it needs to be in time ().

Replace the foundation and adjust the rods

Adjust the foundation, adjust the foundation

Replace the rods, replace the rods

Replace the rods and adjust the foundation

36. If a suspected vehicle needs to be intercepted and checked on a certain road section, control measures can be implemented on the vehicle on the video service platform.

True

False

37. The video cloud storage system also adopts Erasure Code to ensure data consistency and ensure the safety and reliability of data in massive data storage scenarios.

While writing, by the client slice (N) and transcoding (M), co-generating N + M pieces of data, what is the maximum value of M in them?

38. After the camera performs the restoration of the default configuration, all the parameters except () are restored to the factory configuration, which should be used with caution. (Multiple choice)

User upload certificate

Device port

Device IP

Focus position of hemisphere and tube machine in manual and semi-automatic mode

39. Which of the following are the reasons for the blurring of the monitoring screen? (Multiple Choice)

The lens aperture size is inappropriate

Influence of noise reduction intensity

Incorrect lens focal length or inaccurate focus

The surface of the lens is dirty or there are water stains, dust etc.

40. The transmission access methods provided by the integrated site include () (Multiple Choice)

GPON wired access

Microwave wireless access

Ethernet wired access

LTE wireless access

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41. In the following face capture image problem, which cannot be optimized by adjusting the parameters, which installation position must be changed?

Front light face overexposed

Yin and Yang face

Motion blur

Backlit face image is dark

42. What is the north-south traffic in the video cloud data center in China? (Multiple Choice)

The flow of mutual access between virtual machines across data centers

Mutual access traffic between virtual machines in the data center

Traffic generated by virtual machine hot migration

Traffic generated by customers accessing data center services through the Internet

43. Camera log types include (). (Multiple Choice)

Operation log

Alarm log

Exception log

Run log

44. The volume of video image retrieval business will affect the feature value and structured data volume, thereby affecting the number of single-check servers.

True

False

45. Which of the following product forms of IVS3800 need to build RAID5 and RAID1 when configuring data disk RAID? (Multiple Choice)

IVS3800C V2

IVS3800F V2

IVS3800S V2

IVS3800R V2

46. Which of the following systems is used to connect the data cascade interface of the visual library?

The upper and lower levels of video image database systems are interconnected, and the video private network video sharing platform is interconnected with the public security information network video sharing platform

The interconnection of the video image database system of the upper and lower levels, the interconnection of the video image database system of the video private network and the video image database system of the public security information network

Interconnection of the upper and lower video sharing platforms, the video sharing platform of the private network and the video sharing platform of the public security information network

The upper and lower video sharing platforms are interconnected, and the video image database system of the video private network is interconnected with the video image database system of the public security information network.

47. Which of the following functions can be achieved by intelligent analysis of the target intelligent vision platform? (Multiple Choice)

Target retrieval can be performed based on the target image uploaded by the user

Can identify the target information that appears in the video or video

You can compare two pictures to give a similarity value to help users judge the probability that the two are the same person

It can compare the analyzed facial feature value of the camera with the customer's target feature database in real time, to obtain the corresponding identity information from the customer's target feature database

48. Which of the following conditions will cause the function module fault indicator to be red and always on?

The function module has an alarm

There is a problem with the communication cable of the functional module

Internal failure of function module

There is a problem with the power input of the functional module

49. The light edge platform IVS3800 uses Kubernetes as the container scheduling engine.

True

False

50. Which of the following factors will affect the number of single-count servers? (Multiple Choice)

The average daily capture amount of each camera

Image analysis channels and peak value

Number of video analysis channels

Video and image business storage capacity

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51. Which of the following is not a prerequisite for the smart vision platform to perform face capture statistics?

The face recognition algorithm plug-in has been installed on the platform

Have subscribed to the face metadata generated by the smart camera on the platform

A face recognition intelligent analysis task has been created for the camera on the platform

A face control task has been created for the camera on the platform

52. When light-edge networking, management TOR and business TOR need to be stacked networking.

True

False

53. Light edge is suitable for processing complex, multi-dimensional, and cross-domain businesses, such as provincial monitoring and cross-regional city collaboration.

True

False

54. When installing the behavior analysis/video summary/video search characteristic algorithm, only the VA type algorithm needs to be installed, and the MCS type algorithm does not need to be installed

True

False

55. Regardless of whether the product selected for the intelligent vision platform is IVS3800 or IVS1800, before performing platform intelligent behavior analysis. All need engineers to install and configure the corresponding algorithm plug-in.

True

False

56. In view of the characteristics of deep learning, the NPU chip adopts professional matrix calculation and vector calculation units, and manages and controls through the CPU core.

True

False

57. Regarding the light edge logic network architecture, which of the following description is wrong? (Multiple Choice)

Inner_Service is the internal business plane, which provides signaling interaction between the internal business modules of the system

Outer-OM is an internal management plane that provides signaling interaction between OM modules within the system

Outer_Service is an external business plane, providing business application interface access or external business data interaction

Inner-OM is an external management plane that provides CSP OM Portal interface access and operating system SSH access: at the same time, it can also provide video network connection and algorithm warehouse connection according to business needs

58. The video big data system can aggregate and store all kinds of video data (vehicles, faces, portraits, etc.) and perform standardized processing.

True

False

59. In the basic construction stage of the video site, civil construction is an important link, which mainly includes site infrastructure construction, hand well construction, power and transmission introduction trench excavation and landfill.

True

False

60. The user cannot log in to HoloSens iClient or the reason for the lack of smart permissions may be prompted after logging in?

User is locked

Network abnormality

User account expired

Permission issues

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61. Before configuring camera access on the smart vision platform, you need to check whether the platform has a front-end access plug-in that supports the corresponding camera model. The reason is to ensure that the platform can smoothly access the camera of this model.

True

False

62. The environmental inspection of the intelligent vision platform is mainly computer room inspection. Which of the following general inspection and maintenance items include? (Multiple Choice)

Working temperature and humidity in the computer room

Cabinet power supply

Dustproof state

Fire status

63. POE adopts IEEE802.3af standard, and its output power consumption does not exceed ().

50W

30W

71W

15.4W

64. Which of the following descriptions of the relationship between virtualization and cloud computing is wrong?

At present, cloud computing will use container and virtual machine technology

virtualization is a technology, cloud computing is - kind of service model. Virtualization drives the development of cloud computing

Without cloud computing virtualization, there is no value

Virtualization is one of the important technologies to realize cloud computing

65. In the process of cross-line detection, which feature value of the moving object does not need to be obtained?

Movement direction

Exercise time

Movement trends

Movement speed

66. A video site in a park in an inland urban area requires equipment selection, and wired network resources have been covered. Now it is necessary to select the equipment of the video site. Which of the following selections is most suitable for?

1 ball machine, mains power supply switch access, upright pole in land area

1 ball machine, mains power supply, switch access, pole in island area

1 ball machine, solar powered, microwave access, pole in land area

1 ball machine, mains power supply, microwave access, pole in land area

67. Which of the following functions are implemented based on the target intelligent analysis technology?

Perform target retrieval based on the target image uploaded by the user, or search for matching target images based on the input condition attributes

According to the white list set by the user, the system does not output the picture search results, target trends and fortification alarms for the users in the white list

According to the blacklist set by the user, fortify and generate alarms for the targets that appear in the blacklist

Compare the target pictures and give a similarity value to help users judge the probability that the two are the same target

68. Manual zoom camera, you can adjust the N-F knob to (), adjust a T knob to ().

Adjust focus, adjust focus

Adjust the focus, adjust the focus

Adjust focus, adjust focus

Adjust the focus, adjust the focus

69. Regarding the access platform docking analysis platform, which of the following statements is incorrect?

If not successful docking analysis platform, log in iClient the client, the interface will pop up " intelligence account user name or password is empty " warning

If there are IVS3800S, IVS3800C and IVS3800R in the environment, you need to connect the access platform and the analysis platform

If there is only IVS3800F in the environment, there is no need to connect the access platform and the analysis platform

If the connection is successful, various smart applications can be viewed in the " Smart Applications " on the homepage of iClient, and if it fails, there is only one application of " Smart Recognition "

70. If the two intelligent vision platforms are in a superior-subordinate relationship, and the subordinate platform actively initiates registration to the superior platform, this relationship is called cascading.

True

False

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71. Which of the following are smart vision platform devices? (Multiple Choice)

Light edge

Precision air conditioning

UPS

Micro-edge

72. Which of the following is an image analysis service?

Vehicle search

View access

License plate recognition

View forwarding

73. If the two intelligent vision platforms are in a superior-subordinate relationship, and the subordinate platform actively initiates registration to the superior platform, this relationship is called cascading.

True

False

74. If you need to uniformly manage the access platform and analysis platform on the HoLoSens iClient client, you need to configure the access platform correlation analysis platform in the CSPOM portal where the access platform is located.

True

False

75. You can view () alarms and () alarms through the CSPOM portal interface, and handle the alarm information according to the corresponding alarm suggestions.

History: current

Equipment: Activities

History: Activities

History: Equipment

76. Regarding the central platform equipment, which of the following description is wrong? (Multiple Choice)

oceanStor 9000 stores video and image data for the business layer

FusionServer G5500 GPU hardware physical resources, providing GPU acceleration and hard decoding capabilities for business layer virtual machines

OceanStor 5500 V5 is used to deploy HUAWEI CLOUD Stack to provide computing resources (such as memory, network card, etc.) for users to create virtual machines on physical servers as upper-layer services (CSP, IVS)

Universal server 2288H v5 provides system disk and data disk resources for management plane and business plane virtual machines

77. When checking the power supply of the camera, for the ball camera without power supply instructions, you can judge whether the power supply of the camera is normal by checking whether it can automatically rotate after power-on.

True

False

78. What are the improvements of H.265 protocol compared to H.264 protocol? (Multiple Choice)

Higher definition

Lower bandwidth

Lower computational load

Higher compression rate

79. A park intends to add a dome camera to the existing integrated video site, which uses PoE to supply power. Which interface of PowerCube 500 should be accessed?

DC48V

PoE++ interface

DC12V

AC24V

80. IVS3800 complete installation scenario, the server shipped to the site has completed the installation of Host os CSP and IVS applications.

True

False

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81. In sunny weather, the pictures captured by the camera appear white, which of the following methods cannot solve the problem?

Reduce saturation

transfer large Gamma strength

Turn on the fog mode

Reduce exposure compensation coefficient

82. The () function of the ball camera can ensure that the camera automatically returns to the preset position after manual operation.

Caretaker

Electronic map

Preset position

Cruise

83. Which of the following types of data cannot be used when the intelligent vision drier performs the intelligent analysis task of face detection?

Video files uploaded directly to the platform

Video recorded by the camera in the SD card

Live camera

Historical videos stored on the platform

84. Common open forms of data centers include prismatic data centers and modular data centers.

True

False

85. The number of video analysis channels will affect the number of single-check servers.

True

False

86. Regarding the replacement of parts, which of the following descriptions is correct? (Multiple Choice)

Process of replacing the functional module X Put on protective gloves - disconnect the mains front input circuit breaker of the functional module - remove the old functional module - install the new functional module-close the AC front input circuit breaker of the functional module - take off Gloves

The process of removing the functional module. Record the cable connection position of the functional module - use a flat-blade screwdriver to pry off the fastening lock on the quick-plug terminal. Remove the quick-plug terminal - remove the interface cables in turn, and do insulation protection to remove the old functional modules

The process of removing the lithium battery module. Record the cable connection position of the lithium battery module + use a flat-blade screwdriver to pry off the fastening lock on the quick-plug terminal. Remove the quick-plug terminal - remove the interface cables in turn. And do a good job of insulation protection - remove the old lithium battery module

The process of replacing the lithium battery module, wear protective gloves - remove the old lithium battery module H install a new lithium battery module take off the protective gloves

87. After the intelligent vision platform enters the stable operation period, maintenance engineers are also required to perform routine maintenance on the system, the purpose of which is to detect and eliminate the hidden faults in the platform and equipment in time.

True

False

88. When the CSP after the installation is complete, the virtual console in the need to disconnect the disc image, and iBMC on interface " boot media is valid " is set to " permanent ", " boot media " modify " hard "

True

False

89. Which of the following statement about IVS1800 is wrong ?

The local airport is suitable for a single IVS1800 scene

For local man-machine scenarios, a PC needs to be prepared for business configuration

The iClient client scenario is applicable to multiple IVS1800 scenarios

iClient field is, need to prepare - a PC is used to configure the business

90. When multiple lens devices are installed in a certain area (exceeding the maximum number of windows supported by the client), and these video sites need to view the live video, which of the following functions can be used to achieve?

Multiple layouts

On the wall

Cruise

Polling

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91. Regarding Huawei HoloSens IVS3800c, which of the following descriptions is correct? (Multiple Choice)

s3800c maximum matching. 6 block rising AI Accelerator

IVS3800c the SSD data disk, for storing structured data

IVS3800c provides structured data and characteristic data retrieval function after intelligent analysis

IVS3800c the NVMe disk, for storing the feature value data

92. The principle of license plate recognition technology includes character segmentation, license plate location, character recognition, image acquisition, etc.

True

False

93. If the camera appears inconsistent or stuck, the user can try to adjust which of the following parameters?

Contrast

Sharpness

Frame rate

Brightness

94. If the engineer forgets to enable the " Bayonet Data Storage " and " Metadata Subscription " functions on the HoloSens iClient when configuring the front-end intelligent functions of a certain vehicle recognition camera.

So what are the consequences?

The camera cannot be recorded on iClient

Cannot see the live status of the camera on iClient

When performing vehicle bayonet data detection, the data from the front-end camera cannot be found

The smart analysis task cannot be configured for the camera on iClient

95. If the camera appears inconsistent or stuck, the user can try to adjust which of the following parameters

Contrast

Sharpness

Frame rate

Brightness

96. If the engineer forgets to enable the " Bayonet Data Storage " and " Metadata Subscription " functions on the HoloSens iClient when configuring the front-end intelligent functions of a certain vehicle recognition camera.

So what are the consequences?

A The camera cannot be recorded on iClient

B Cannot see the live status of the camera on iClient

C. When performing vehicle bayonet data detection, the data from the front-end camera cannot be found

D Cannot configure intelligent analysis task for this camera on iClient

97. The installation requirements of the target recognition camera include (). (Multiple Choice)

High irradiation distance

Width during irradiation

Overlooking height

Erection height

98. The motorized zoom camera cannot adjust the focal length and focus on the camera web preview page.

True

False

99. Which of the following descriptions about the H.265 encoding protocol is wrong?

265 uses a new MV (motion vector) prediction method

265 proposes multiple more flexible adaptive deblocking filters

265 transform block to expand 16X16, 32X32, 64X64 tree coding block

265 uses a simpler intra-frame prediction method

100. Which of the following scenarios are suitable for installing target recognition cameras? (Multiple Choice)

Security check channel

Park area, large population

Indoor corridors with sufficient light

Subway turnstile