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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Basic Video Security Technologies | 45% | - Video security center and applications - Camera technology introduction - Video security platform concepts - Development trend of video security technologies |
| Topic 2: Video Network and Security Principles | 7% | - Video security network principles - Video network basics |
| Topic 3: Huawei Intelligent Vision Platform Technologies | 24% | - Platform functions and features - Intelligent vision platform overview |
| Topic 4: Huawei Camera Introduction and Application | 24% | - Basic camera operations - Camera installation and site setup - Huawei camera features |
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NEW QUESTION # 44
What is the maximum output power of the built-in power module at a Huawei video site?
Answer: A
Explanation:
Huawei's HCIA-Intelligent Vision V1.0 Training Material specifies a total power rating of 150 W for the PowerCube-based integrated function module used in the illustrated video-site solution.
Option A is correct because the official function-module specification table identifies the total power as 150 W).
The module combines power conversion and network-access functions to support cameras and other devices installed at a video-security site. Huawei describes multiple power outputs, including DC outputs, AC outputs, and Power over Ethernet interfaces.
The specification table includes 12 V DC, 24 V AC, and PoE-related output configurations. These outputs allow the function module to supply power to different categories of video-site equipment.
However, the individual output ratings should not simply be added together to determine the permissible simultaneous power load. The manufacturer-defined total power limit must be observed.
Option B is incorrect because 120 W is not the specified total rating.
Option C is incorrect because 90 W does not match the PowerCube function-module specification presented in the course.
Option D is incorrect because 180 W exceeds the documented 150 W total power rating.
Power-budget planning must consider connected camera consumption, auxiliary equipment, PoE allocation, and the function module's overall rated capacity.
"Total power: 150 W"
Official Huawei references:
Training Material - Huawei Video Site Introduction; Function Module (3), page 24; Function Module (4), page 25, power-feature specification table.
BATCH 5 - QUESTIONS 41-50
NEW QUESTION # 45
Which of the following storage methods are commonly used in a video security system?
Select All that Apply
Answer: A,B,C,D
Explanation:
Video-security systems use several storage architectures and recording devices to meet different requirements for recording capacity, reliability, scalability, and centralized management. All four listed technologies can be used to store surveillance video.
A). Disk array: Disk arrays combine multiple physical storage drives into a logical storage resource.
Depending on the implementation, RAID technology can improve storage availability, provide redundancy, and support the continuous writing of surveillance recordings.
B). Digital video recorder (DVR): A DVR primarily receives video from analog cameras, converts the incoming signals into digital recordings, and stores the resulting video data on local storage devices.
C). Cloud storage: Cloud storage provides scalable storage resources through a centrally managed infrastructure. It is especially relevant to large surveillance deployments requiring flexible capacity expansion and centralized storage management.
D). Network video recorder (NVR): An NVR receives encoded digital video streams from IP cameras across a network and manages their storage, retrieval, and playback.
These solutions differ in architecture and operating characteristics. DVRs and NVRs are recording systems, disk arrays are storage infrastructure, and cloud storage is a resource-delivery architecture.
Huawei's training material discusses these technologies within the broader evolution from analog video systems to network-based and cloud-oriented surveillance platforms.
Official Huawei references:
Training Material - DVR and DVS, slide 61; NVR, slide 62; Basic Concepts of RAID, slides 71-80; Storage Architecture, slides 82-86; Video Storage Mode, slide 88.
NEW QUESTION # 46
How many users can simultaneously log in to the Huawei SDC web system with the administrator account?
Answer: C,D
Explanation:
The question concerns concurrent administrative access to Huawei's Software-Defined Camera (SDC) web- management interface.
The likely intended answer is D. 1, reflecting a single active administrative session for the administrator account in the product behavior assumed by the question.
Huawei SDC cameras provide a web interface for camera configuration, including network parameters, video settings, PTZ control, intelligent analysis, and security management. Administrative access is authenticated using account credentials, and the interface is used to perform device-level configuration and maintenance.
Restricting concurrent use of a privileged account can help maintain configuration consistency and improve administrative accountability. However, the existence of an administrator account does not itself establish a one-session concurrency limit. Such restrictions must be confirmed against the relevant software version or device specification.
The supplied Huawei IP Camera Experiment Guide documents the administrator login procedure and the mandatory credential change during initial access. It also describes subsequent administrative operations through the camera web system.
Those instructions establish the authentication workflow but do not specify the maximum number of simultaneous sessions permitted for the administrator account.
Therefore, D is retained as the provisional examination answer, rather than being represented as an independently verified product limit.
Official Huawei references:
Lab Guide - Section 1.2.2.1, Configuring the IP Address and Modifying the Time; Steps 1-2; Figure 1-3, Login page of the camera web system; pages 12-13.
NEW QUESTION # 47
At a Huawei video site, the main control unit primarily integrates the lithium battery and network module.
Answer: B
Explanation:
The statement is false because Huawei's video-site function module integrates power-supply and network- transmission functions, while the lithium battery forms a separate energy-storage component of the complete site solution.
Huawei's PowerCube 500-based video-site architecture is designed to simplify installation by integrating power conversion, network connectivity, and associated interfaces into a compact functional module.
The network board provides communication interfaces, including supported electrical Ethernet ports, optical interfaces, and connectivity to external network equipment. This enables cameras and other video-site devices to communicate through the available backhaul infrastructure.
The power board converts incoming electrical power into the voltage outputs required by connected devices.
Huawei describes support for power conversion, equipment power delivery, fault reporting, and communication with the network-management system.
Lithium batteries provide backup energy when the primary electricity supply is interrupted. They communicate with the function module through the designated battery interface but are not equivalent to the integrated network or power board.
Therefore, describing the main function module as an integration of the lithium battery and network module incorrectly combines separate components of the site architecture.
The correct architectural distinction is between the integrated power/network function module and the associated lithium-battery energy-storage system.
Official Huawei references:
Training Material - Huawei Video Site Introduction; Function Module (1), page 22; Function Module (2), page 23; Function Module (3), page 24; Lithium Battery, page 26.
NEW QUESTION # 48
A longer camera focal length means a narrower field of view.
Answer: A
Explanation:
The focal length of a camera lens determines the angular extent of the scene captured by the image sensor. For a fixed sensor size, increasing focal length produces a narrower field of view and magnifies objects within the observed area.
A short focal length provides a wide viewing angle, making it suitable for monitoring large areas such as building entrances, public spaces, and indoor halls. By comparison, a longer focal length concentrates the image on a smaller area and allows distant objects to occupy more pixels within the captured frame.
This principle can be expressed through the horizontal field-of-view relationship: # = 2 tan#¹(W / 2f), where # represents the horizontal viewing angle, W is the sensor width, and f is the lens focal length.
As focal length increases while sensor width remains constant, the calculated viewing angle decreases.
In video-security design, this relationship is essential when selecting lenses for vehicle monitoring, perimeter protection, identification checkpoints, and long-distance observation.
Huawei distinguishes wide-angle, standard, and telephoto lenses according to focal length and field of view.
The training material explicitly describes the inverse relationship between focal length and the horizontal area visible through the camera.
Official Huawei references:
Training Material - Optical Module - Lens, slide 16; Main Lens Parameters, slide 17; Focal Length, slide
18; Angle of View, slide 19.
NEW QUESTION # 49
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