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| Section | Weight | Objectives |
|---|---|---|
| MCU and recording/streaming solutions | 17% | - MCU deployment and operation - Recording/streaming solution basics |
| O&M of video conferencing endpoints | 28% | - Deployment and configuration of endpoints - Device performance monitoring and troubleshooting |
| Video conferencing protocols | 18% | - Basics of H.323 - Basics of SIP |
| Collaboration technology and product overview | 13% | - Principles of enterprise collaboration solutions - Huawei collaboration product features |
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NEW QUESTION # 35
When installing and deploying the Box 310, you must connect the Touch to the Box 310 with a network cable and power the Touch by connecting it to the power adapter with a Type-C cable.
Answer: B
Explanation:
The Huawei Box 310 supports multiple methods of connecting and powering the Touch conference-control panel.
One supported method is to connect the Touch directly to the Box 310 using a network cable. The cable connects the Touch's PoE interface to the dedicated TOUCH port on the endpoint.
In this configuration, the Box 310 supplies electrical power to the Touch through the network connection. A separate Type-C power adapter is not required.
Huawei's Lab Guide explicitly identifies the TOUCH port as supporting power delivery to the Touch.
The Touch also includes a USB Type-C interface that can be connected to a dedicated power adapter. This interface is relevant when an alternative cabling or power-supply arrangement is used.
However, the statement incorrectly asserts that the Touch must be powered using a Type-C cable connected to a separate power adapter.
Huawei supports direct power delivery through the endpoint's TOUCH port, making the asserted requirement unnecessary.
Therefore, option B is correct.
The distinction matters during installation because selecting the correct cabling arrangement simplifies deployment and prevents unnecessary power-supply connections.
The supported power arrangement must be determined from the endpoint model and the selected Touch cabling topology.
Huawei reference: Lab Guide, Section 1.2.1.2, Touch Structure, PDF page 16; Section 5.1.1, Directly Connecting the Touch Using a Network Cable, PDF page 151.
NEW QUESTION # 36
The SMC schedules and starts an H.323-only multipoint conference with four participants. After it receives the participant list, the MCU sends an ARQ message to the SC.
How many ACF messages will the SC send back in response to the ARQ message?
Answer: D
Explanation:
In Huawei's H.323 video conferencing architecture, the Service Management Center (SMC) manages conference scheduling and participant information, while the Multipoint Control Unit (MCU) establishes the necessary conference connections. The Session Control server (SC) performs the gatekeeper-related admission and signaling functions.
H.323 admission control uses Registration, Admission, and Status (RAS) signaling. An Admission Request (ARQ) is submitted when admission authorization is required, and the gatekeeper responds with an Admission Confirm (ACF) when that request is accepted.
The Huawei Training Material provides an explicit MCU call-processing example involving three participants. The diagram identifies three ARQ messages and three corresponding ACF responses. This establishes the admission-signaling relationship used in the question.
For the specified four-participant H.323 multipoint conference, the MCU performs four participant-related admission requests. Assuming that all requests are accepted, the SC returns four ACF messages.
The number of confirmation messages therefore corresponds to the number of successful participant admission requests, not to the number of media streams, protocol-processing stages, or possible participant pairs.
Options A and B overcount the admission confirmations, while option D accounts for only two participants.
Huawei reference: Training Material, PDF page 407, MCU Basic Principles - Call; and the H.323 protocol module, RAS Process and Admission Control Signaling.
NEW QUESTION # 37
Which statements about service-area backup are true?
Choose three
Answer: A,B,C
Explanation:
Huawei SMC service-area management distributes conferencing resources across logical areas to improve service availability, resource utilization, and geographical allocation.
Option A is consistent with Huawei's service-area backup architecture. When multiple service areas exist, administrators can configure backup relationships so that conferences can use resources from another area when required.
Option B is consistent with Huawei's recording and streaming resource-redundancy model. Ensuring that backup service areas provide accessible recording and streaming resources helps preserve service continuity when the original recording infrastructure is unavailable.
Option C describes compatible forwarding-oriented backup service areas. SFU and hybrid service areas can support forwarding-based conferencing functions, making them relevant backup resources for deployments using these capabilities.
Option D is the likely incorrect statement because it permits an MCU service area to fail over to an SFU-only service area without qualification. An SFU-only service area does not necessarily provide the universal transcoding capabilities required by an MCU-based conference. Therefore, the alternatives are not automatically interchangeable.
Verification concern: The supplied Training Material confirms inter-area backup and recording-resource redundancy, while the Lab Guide demonstrates configuring a backup service area. Neither supplied guide explicitly states the complete compatibility matrix for MCU, SFU, and hybrid service-area backup.
Accordingly, the three-option selection remains provisional.
Huawei reference: Training Material, PDF pages 559 and 596-598, Resource Pool Management and Service Area Planning; Lab Guide, Section 5.3.2, Adding a Service Area, PDF pages 159-160.
NEW QUESTION # 38
Which of the following video-conferencing endpoint input sources should be checked regularly before a conference?
Choose three
Answer: A,B,D
Explanation:
Pre-conference maintenance is intended to confirm that the endpoint can capture, process, and distribute audiovisual and presentation content without interruption.
Option A is appropriate because the video input source must function correctly. Engineers should verify camera availability, video signal reception, image quality, and the endpoint's ability to capture local video.
Option C is appropriate because audio input is essential for effective conferencing. Microphones and other configured audio sources should be checked for correct connection, signal availability, and normal operation.
Option D is also a relevant pre-conference check when wireless presentation sharing is required. Huawei IdeaShare enables participants to project computer content through the conferencing endpoint. Its pairing and connectivity should be verified before presentation sharing is needed.
Option B identifies a physical USB interface rather than a specific media input source. Although USB- connected cameras or peripherals may require inspection, the USB port itself is not equivalent to a configured video, audio, or presentation source.
Huawei's Training Material describes endpoint diagnostics covering audio input/output, video input/output, hardware operation, and network connectivity. The Lab Guide separately explains how to configure and verify IdeaShare projection.
Verification concern: Neither supplied guide explicitly provides the three-option checklist stated in the question. A, C, and D constitute the most defensible selection based on the documented media-input and presentation functions, but the exact answer combination is not directly established by the supplied sources.
Huawei reference: Training Material, PDF pages 237-248, Endpoint Routine Maintenance, Checking Device System Information, and Device Diagnosis. Lab Guide, Sections 1.3.1.7-1.3.1.8, Local Projection and Sharing.
NEW QUESTION # 39
Which of these user roles is permitted to manage bulletin boards?
Answer: D
Explanation:
Huawei's Service Management Center implements role-based authorization to separate collaboration management functions among different administrator categories.
The Program administrator is the role specifically authorized to manage bulletin-board materials, programs, and associated release tasks.
Option D is correct.
Huawei's bulletin-board functionality allows authorized personnel to prepare and publish informational content for supported collaboration environments. The program administrator manages the relevant materials and release activities without receiving unrestricted system-management permissions.
Option A is incorrect because conference administrators are responsible for conference scheduling, conference monitoring, and participant-control operations within their authorized organizational scope.
Option B is not the designated bulletin-board management role. System administrators primarily manage devices, system configuration, organizational structures, user accounts, and platform maintenance. Huawei deliberately separates these responsibilities from program administration.
Option C is incorrect because security auditors are responsible for auditing system logs and identifying unauthorized operations. Their permissions do not include bulletin-board content administration.
Huawei's Training Material identifies six SMC user roles and specifically assigns bulletin-board program management to the program administrator.
This separation supports controlled publication workflows and prevents conference or infrastructure administrators from automatically gaining unrelated content-management privileges.
Huawei reference: Training Material, PDF page 60, Rights-based Administrator Permissions; pages 702-
703, User Management (1) and User Management (2).
NEW QUESTION # 40
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