H11-861_V4.0 HCIP-Collaboration V4.0 Questions and Answers

On first CLI login, you must change the default admin password to secure the SC; other network settings can be configured as needed afterward.

If the input volume falls below the echo canceller’s detection threshold, the device can’t identify and suppress return audio, leading to echoes or squealing.

An audio loop, where output is fed back into the input, directly causes echo and feedback noise.

Placing the microphone too close to the speaker allows direct pickup of its output, resulting in echo and potential high-pitched feedback.

SIP relies on SDP for session description in multimedia calls; it cannot negotiate media parameters independently of SDP.

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.

The SC’s underlying database is a GaussDB cluster, and only the dedicated database OS user (gauss) has the necessary permissions to start and stop it using the GaussDB control utilities.

YUV 4:2:0 subsamples chroma by a factor of two in both horizontal and vertical dimensions, reducing total data to half of the full-resolution YUV 4:4:4 format.

4CIF (704×576) at 30 fps gives 704 × 576 × 30 ≈ 12.17 million pixels/s. At 48 bits per pixel, that’s 12.17 M × 48 ≈ 584 Mbit/s, which is nearest to 600 Mbit/s.

The Via header records each hop a request takes and is used to route the corresponding response back along the same path.

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.

A SIP response start line is a Status-Line containing the SIP version, status code, and reason phrase - not the method and Request-URI.

SSH uses port 22 by default for secure CLI access to the SC admin account.

The mswt-media allflow command reports the bit rates of all ongoing media streams on the CloudMCU; it does not display conference/participant counts, system info, or logs.

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.