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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Huawei Intelligent Vision Platform Technologies and Application | 24% | - Video storage, retrieval and playback - IVS platform architecture and components - Platform deployment, configuration and management - Platform integration and system maintenance |
| Topic 2: Huawei Camera Introduction and Application | 24% | - Camera classification, parameters and selection - Camera maintenance and troubleshooting - Camera installation, configuration and commissioning |
| Topic 3: Video Network and Security Principles and Applications | 7% | - IP network basics for video surveillance - Video data security and privacy protection - Network protocols and transmission requirements |
| Topic 4: Basic Knowledge about Video Security Technologies | 45% | - Video security overview and development trends - Video coding and transmission technologies - Image and video processing fundamentals - Intelligent analysis and AI applications |
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NEW QUESTION # 20
Which of these functions are supported by Huawei SDC bullet cameras?
Select All that Apply
Answer: A,B,C,D
Explanation:
Huawei SDC cameras provide video observation, snapshot capture, and image-control functions through their camera web interfaces. However, the availability of zoom and mechanical rotation depends on the camera model and its associated hardware.
Option A - Zoom: Zooming may be supported through compatible motorized lenses or electronic pan-tilt- zoom (ePTZ) functionality. Electronic zoom changes the displayed image area through software, whereas optical zoom requires appropriate lens hardware.
Option B - Snapshot taking: Huawei's camera web system provides a snapshot function that captures still images from live video. This is a supported function for suitable SDC bullet cameras.
Option C - Rotation: A standard bullet camera has a fixed observation direction and does not inherently provide motorized pan-and-tilt movement. Huawei's Lab Guide explains that a bullet camera can use PTZ controls after connection to an external PTZ device. Therefore, rotation is conditional rather than a universal built-in feature.
Option D - Live video viewing: This is a fundamental network-camera capability. Huawei provides procedures for viewing live camera streams through the web interface.
The question can include all four functions only when optional hardware and software capabilities are included. It is technically incorrect to imply that every fixed bullet camera natively supports rotation.
Official Huawei references:
Training Material - Cameras Classified by Shape, slide 11; Bullet Camera, site application section, page 31.
Lab Guide - Sections 1.2.2.2 and 1.2.2.3; Experiment 3, Configuring the Snapshot Function.
NEW QUESTION # 21
During camera installation, hose clamps are used to adjust the angles of bullet and box cameras.
Answer: B
Explanation:
The statement is false because hose clamps primarily secure mounting assemblies to installation structures rather than independently providing precise camera-angle adjustment.
A hose clamp is a fastening component used to secure compatible mounting accessories around a pole or other suitable cylindrical structure. Its purpose is to maintain mechanical attachment and resist movement caused by environmental conditions.
For bullet and box cameras, the viewing direction is normally established through an appropriate mounting bracket or adjustable mounting mechanism. Depending on the installation arrangement, the installer adjusts the bracket's pan, tilt, or rotational position before tightening the relevant fasteners.
The hose clamp may need to be loosened if an entire pole-mounted assembly must be repositioned, but this does not make it the dedicated mechanism for adjusting the camera's optical viewing angle.
Huawei's training material distinguishes camera types and their physical mounting characteristics. It describes bullet cameras as having a fixed observation direction once installed, while PTZ dome cameras provide motorized directional control.
Correct installation requires suitable mounting accessories, adequate mechanical stability, and appropriate viewing-angle alignment.
For accurate surveillance coverage, engineers should set the observation direction using the supported bracket adjustment, confirm the live image, and secure the installation hardware.
Official Huawei references:
Training Material - Camera Hardware Composition; Accessory - Housing, page 30; Accessory - Mount, page 31; Cameras Classified by Shape, slide 11.
NEW QUESTION # 22
Which Huawei HoloSens Intelligent Vision System (IVS) service feature can store valid, valuable video clips for later video analysis?
Answer: A
Explanation:
The image information library is the Huawei IVS feature responsible for unified management and retention of valuable video, image, and structured information that may be needed for subsequent analysis.
Option B is correct because Huawei explicitly associates the image information library with storing useful video information for later analysis and managing the lifecycle of retained data.
The architecture includes three information-management categories: real-time video management, semi- structured image-data management, and structured metadata management.
The system can retain relevant surveillance content and manage stored data through its lifecycle. This includes cleaning and recycling unnecessary information to prevent the inefficient consumption of storage resources.
Option A - 1 + N (AI proxy): This capability primarily enables intelligent cameras or analysis resources to extend intelligent-processing functionality to other video sources. It does not identify the specific information- library service described in the question.
Option C - Cloud-edge synergy: This supports collaboration between upper-level and lower-level systems, including task distribution, resource coordination, and algorithm management.
Option D - Video forwarding: This distributes video streams to clients or other platform components rather than providing the particular retained-information management service.
The official image-information library slide explicitly establishes the intended answer.
Official Huawei references:
Training Material - Video Networking Features: Image Information Library and VIID, PDF page 394 (printed slide 73); Cloud-Edge Synergy, PDF page 392; Video Forwarding and NAT, PDF page 391.
NEW QUESTION # 23
Which statement below is false regarding the on-screen display (OSD) parameters for Huawei cameras?
Answer: B
Explanation:
Huawei cameras provide configurable On-Screen Display (OSD) settings to present information directly over live or recorded video images. These settings typically include displayed text, date and time, formatting, and display position.
Option A is false because Huawei's camera OSD configuration allows the position of supported text overlays to be adjusted. The position is not universally fixed.
Option B is accurate. Layout-related settings can be configured to control the positioning and spacing of displayed information, subject to the particular camera model and OSD configuration.
Option C is accurate. Date and time information can be presented through OSD settings. The camera's clock can also be configured or synchronized through the relevant time-configuration functions.
Option D is accurate. Administrators can specify text information, including camera identification and location details, for display on video images.
Huawei's Lab Guide provides a specific limitation concerning OSD5 through OSD9. When certain overlays are enabled together, only the overlay with the smaller sequence number can be repositioned independently.
Other overlays are arranged beneath it.
This restriction does not mean that OSD text positions can never be changed.
Therefore, option A is the false statement.
Official Huawei references:
Lab Guide - Section 1.2.2.4, Setting Common Parameters, Step 3 Set OSD parameters; Figure 1-22, OSD effect; pages 31-32.
NEW QUESTION # 24
A larger CMOS size signifies better photosensitive performance.
Answer: B
Explanation:
A larger complementary metal-oxide-semiconductor (CMOS) image sensor generally provides better photosensitive performance, particularly under low-illumination conditions, when sensor technology and other imaging parameters are comparable.
An image sensor converts incident light into electrical signals that are subsequently processed to produce digital images. Its photosensitive performance is affected by pixel dimensions, light collection efficiency, electronic noise, and signal processing.
When sensors have the same resolution but different physical dimensions, the larger sensor can accommodate larger individual photosensitive pixels. Larger pixels generally collect more photons during an equivalent exposure period, improving the signal-to-noise ratio and reducing the need for excessive electronic amplification.
Huawei's training material directly illustrates this relationship by comparing two 8-megapixel CMOS sensors.
The larger 4/3-inch sensor uses pixels measuring approximately 4.63 #m, whereas the smaller 1/1.9-inch sensor uses pixels measuring approximately 1.85 #m.
Larger pixels can improve image clarity and noise performance in low-light surveillance environments. This is particularly relevant to nighttime monitoring, indoor security, and scenes with limited supplemental illumination.
However, sensor size alone does not determine complete camera performance. Lens quality, aperture, exposure settings, and image-processing algorithms also contribute.
"A large sensor size indicates better photosensitive performance and clearer images in low illumination conditions." Official Huawei references:
Training Material - Optical Module - Image Sensor, slide 24; Sensor Size, slide 25.
NEW QUESTION # 25
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