Free Huawei H11-861_V4.0 Exam Questions (page: 2)

The VDC can be used with the Huawei video conferencing platform to provide rich conference control functions. Conference control settings can be customized, and conference control shortcut keys and descriptions can be set.

  1. TRUE
  2. FALSE

Answer(s): A

Explanation:

The Huawei Video Conferencing Desktop Client (VDC) offers comprehensive conference-control capabilities, allowing you to tailor control settings and define custom shortcut keys with descriptive labels for streamlined operation.



By default, a single registration SC server supports a maximum of 20,000 registered devices.

  1. TRUE
  2. FALSE

Answer(s): A

Explanation:

By default, a Registration SC server supports up to 20,000 registered devices, as specified in the Huawei SC product specifications.



Which of the following statements are true about the multi-level protection of the collaboration hardware platform? (Choose all that apply.)

  1. Network port backup is provided.
  2. Fan backup is provided.
  3. Power supply backup is provided.
  4. Disk backup (RAID) is provided.

Answer(s): A,B,C,D

Explanation:

The collaboration hardware platform implements full redundancy: network ports, fans, power supplies, and disks (RAID) - to ensure high availability and fault tolerance.



Which of the following is the maximum number of cascaded conference levels supported by the SMC?

  1. 8
  2. 4
  3. 2
  4. 6

Answer(s): B

Explanation:

Huawei's SMC supports cascading up to four conference levels for multi-level conferencing, ensuring efficient management and control across up to four tiers.



Which of the following network elements can be utilized to centrally manage and control, remotely schedule shutdowns, and perform batch OTA upgrades for 10,000 IdeaHub ES2 Plus devices?

  1. iManager U2000
  2. IdeaManager
  3. eSight
  4. SMC

Answer(s): B

Explanation:

The IdeaManager platform is designed for large-scale IdeaHub device management, offering centralized control, remote shutdown scheduling, and batch over-the-air upgrades for fleets of up to millions of devices, including 10,000 ES2 Plus units.



In the collaboration solution architecture, which of the following network elements are deployed at the media processing layer? (Choose all that apply.)

  1. SMC
  2. VP9860
  3. CloudRSE
  4. Box 310

Answer(s): B,C

Explanation:

The media processing layer handles core media functions such as audio/video encoding, decoding, mixing, recording, and streaming. The VP9860 is Huawei's MCU media server - deployed precisely in this media processing (media switching) layer to provide high-density encoding/decoding and mixing capabilities. CloudRSE (Cloud Recording & Streaming Engine) delivers recording and streaming services, which are also key media processing functions within this layer.



Assume that a dual-channel audio file uses the PCM encoding, the sampling frequency is 8 kHz, and each quantized sample value corresponds to an 8-bit binary code.
What is the encoding rate (kbit/s) of the audio file?

  1. 128
  2. 256
  3. 64
  4. 196

Answer(s): A

Explanation:

Dual-channel PCM at 8 kHz with 8 bits per sample yields 8,000 × 8 = 64 kbit/s per channel; two channels give 64 × 2 = 128 kbit/s.



Generally, the bandwidth actually occupied by a video conference is greater than the conference bandwidth.
What are the possible causes? (Choose all that apply.)

  1. IP packet headers occupy some bandwidth.
  2. Retransmission of lost packets occupies some bandwidth.
  3. Signaling interaction data occupies some bandwidth.
  4. UDP packet headers occupy some bandwidth.

Answer(s): A,B,C,D

Explanation:

The actual bandwidth exceeds the nominal conference bandwidth because of protocol overhead (both IP and UDP headers), signaling exchanges, and any retransmissions of lost packets, all of which consume additional capacity.






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