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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Recording and Streaming Solutions | 12% | - Common faults and solutions - Basic configuration and deployment - Operation and maintenance - Principles and application scenarios |
| Topic 2: O&M of Video Conferencing Endpoints | 14% | - Basic configuration and registration - Hardware and software features of endpoints - Basic troubleshooting - Common operations and maintenance |
| Topic 3: Basics and Applications of Video Conferencing Protocols | 18% | - H.323 protocol system - Call establishment and media negotiation processes - SIP protocol system - Media transport protocols (RTP, RTCP) |
| Topic 4: SMC2.0 Management Platform | 14% | - SMC2.0 system architecture and functions - Device management and conference scheduling - User and permission management - Basic installation and configuration |
| Topic 5: Collaboration Technology and Product Overview | 13% | - Architecture and composition of video conferencing systems - Basic concepts of collaboration systems - Overview of Huawei collaboration product portfolio |
| Topic 6: IdeaHub Products and O&M | 14% | - IdeaHub hardware and software specifications - Routine maintenance and fault handling - System configuration and activation - Common functions and usage scenarios |
| Topic 7: MCU Products and Basic Applications | 15% | - Conference management and control - Basic networking and deployment - MCU functions and working principles - Common configuration and maintenance |
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問題 #42
A company has deployed three MCUs within the same service area. When starting a conference, it needs to preferentially choose the MCU that has the greatest number of available ports for the conference connection.
Which feature is required to accomplish this?
答案：C
解題說明：
Load balancing is the MCU resource-management mechanism that preferentially allocates conference connections to the MCU with the greatest available resource capacity within an MCU resource pool.
In the described deployment, three MCUs belong to the same service area. When participants initiate a conference, the SMC evaluates available MCU resources and directs connections to the most suitable device.
Huawei's resource-pool scheduling mechanism preferentially selects the MCU with the most abundant available resources.
Option A is therefore correct.
Option B, intra-pool backup, provides recovery within the same MCU resource pool. If an MCU fails, conference services can be transferred to another available MCU in that service area.
Option C, inter-pool backup, provides recovery across service areas. It is used when the original service area cannot provide the required resources or experiences an applicable failure condition.
Option D, automatic cascading, combines resources from multiple MCUs when a single MCU cannot independently accommodate the required conference capacity.
The critical requirement in the scenario is preferential resource selection during conference establishment, not fault recovery or combining multiple MCUs.
Huawei's Training Material explicitly identifies load balancing as the mechanism that gives preference to the MCU with the greatest available resources. This directly supports option A.
Huawei reference: Training Material, PDF page 453, MCU Resource Pools Ensure Conference Stability, and page 559, Resource Pool Management for Stable Conference Experience.
問題 #43
By default, IdeaHub ES2 Pro does not provide 4K 30 fps dual-stream capability until a 4K license has been imported.
答案：A
解題說明：
Huawei IdeaHub ES2 Pro supports advanced on-premises conferencing capabilities, but its available video and presentation resolutions depend on the installed licenses.
The HCIA-Collaboration V4.0 Training Material explains that the IdeaHub ES2 Pro provides on-premises conferencing by default with the following dual-stream combinations:
1080p 30 fps main video plus 1080p 30 fps presentation, or 1080p 30 fps main video plus 4K 8 fps presentation.
These configurations are available without importing the additional 4K license.
After the required 4K license is imported, the device supports simultaneous 4K 30 fps main video and 4K 30 fps presentation streams.
Therefore, option A is correct.
The licensing distinction is significant because a device's hardware processing capabilities do not necessarily correspond to the features enabled in its default software configuration.
Administrators must verify that the appropriate license has been installed before promising or configuring the higher-resolution dual-stream capability.
The question specifically concerns simultaneous 4K 30 fps video and 4K 30 fps presentation transmission. It does not claim that all 4K presentation functionality is unavailable without licensing.
Huawei explicitly identifies the upgraded dual-stream capability as dependent on importing the 4K license.
Huawei reference: Training Material, PDF page 269, Introduction to IdeaHub ES2 Series, including the comparison of default and licensed dual-stream capabilities.
問題 #44
The multipoint control unit (MCU) provides various multimedia-conference features, including audio mixing, video forwarding and adaptation, media proxying, continuous presence, and presentation forwarding and adaptation.
At which layer of the video conferencing solution is the MCU located?
答案：D
解題說明：
Huawei's intelligent collaboration solution follows a layered architecture that separates application management, session control, media processing, and endpoint access.
The Multipoint Control Unit (MCU) belongs to the media processing layer, where it performs the audiovisual processing and forwarding functions required for multipoint conferencing.
Option A is correct.
The MCU provides functions such as audio mixing, video encoding and decoding, universal transcoding, selective media forwarding, continuous presence generation, and presentation processing.
These functions allow multiple conferencing endpoints to exchange media even when they use different video resolutions, bandwidths, or encoding capabilities.
Option B, Application layer, contains platforms such as the SMC, which manages conference scheduling, resource administration, device management, and conference-control operations.
Option C, User access layer, includes video conferencing endpoints and client devices used by conference participants.
Option D, Session and access control layer, provides signaling and registration functions through components such as the Session Control server (SC).
Huawei's Training Material explicitly positions CloudMCU and VP9800 series MCUs within the media processing layer of the collaboration architecture.
The distinction is important because the MCU processes conference media, whereas the SMC manages conferencing services and the SC controls signaling and access.
Huawei reference: Training Material, PDF page 27, Collaboration Solution Architecture; page 402, MCU Products and Features - Foreword.
問題 #45
What is the highest supported video-conference resolution when an IdeaHub is used for cloud conferences?
答案：B
解題說明：
Huawei IdeaHub supports both cloud-based video conferencing and on-premises conferencing, with available video resolutions depending on the conferencing mode and product capabilities.
For cloud conferencing, the HCIA-Collaboration V4.0 Training Material specifies support for 1080p high- definition video meetings.
Huawei IdeaHub can run mainstream cloud conferencing applications directly through its supported operating- system environment without requiring an additional Open Pluggable Specification (OPS) computer.
The Training Material identifies Huawei Cloud Meeting, Huawei WeLink, Tencent Meeting, and Lark Meetings among the supported mainstream conferencing applications. The documented cloud meeting capability provides 1080p video.
Option D is therefore correct.
Option A, 4K, represents a higher resolution supported in certain on-premises conferencing configurations and presentation-sharing scenarios. However, the course material does not identify 4K as the maximum cloud conference video resolution.
Options B and C represent lower resolutions than the documented 1080p cloud conferencing capability.
The examination distinction is between the endpoint display's native resolution, supported presentation resolution, and the resolution of the cloud conferencing video stream.
A 4K display does not automatically mean that every video conferencing application can transmit and receive
4K conference video.
Huawei reference: Training Material, PDF page 307, Support for Mainstream Cloud Meeting Apps; pages
263-266, HUAWEI IdeaHub Product Comparison.
問題 #46
The IdeaHub S2 series and IdeaHub ES2 series use the same hardware ports but have different front-frame colors. The front frame of the IdeaHub S2 series is white, whereas that of the IdeaHub ES2 series is titanium gray.
答案：A
解題說明：
Huawei's IdeaHub S2 and ES2 series are intelligent collaboration endpoints designed for enterprise meeting rooms, collaborative office environments, and related conferencing applications.
Although both product series use comparable hardware interfaces, Huawei differentiates them through product positioning, exterior design, and certain feature configurations.
The HCIA-Collaboration V4.0 Training Material explicitly states that the IdeaHub S2 and ES2 series have the same hardware ports but different front-frame colors.
The S2 series uses a white front frame, while the ES2 series uses a titanium-gray front frame.
Consequently, option A is correct.
The Training Material also distinguishes the product series according to deployment scenarios and conferencing capabilities. The S2 series targets distributed collaboration and professional office environments, while the ES2 series addresses enterprise and industry-specific collaboration requirements.
However, the question is specifically concerned with hardware-port configuration and external appearance rather than licensing, software features, or conferencing performance.
For installation and maintenance personnel, recognizing these physical differences can assist with product identification and preparation of suitable installation materials.
Nevertheless, hardware interfaces should be confirmed using the relevant model documentation rather than relying exclusively on exterior appearance, particularly when dealing with different hardware generations.
The statement exactly matches Huawei's documented comparison.
Huawei reference: Training Material, PDF page 276, Appearance of IdeaHub ES2/S2 Series (1); pages 277-
280, Hardware Ports of IdeaHub ES2/S2 Series.
問題 #47
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