Huawei H11-861_V4.0 Web-Based Practice Exam Questions
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Huawei H11-861_V4.0 Exam Syllabus Topics:
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Huawei HCIP-Collaboration V4.0 Sample Questions (Q60-Q65):
NEW QUESTION # 60
FILL in BLANK
The stream transmission speed of a digitalized 1080p 60 fps analog TV signal is around ____________ Mbit/s. (Assume that a pixel is 24-bit and enter an integer.)
Answer:
Explanation:
2986
Explanation:
Uncompressed 1080p at 60 fps has 1920 × 1080 = 2,073,600 pixels per frame. At 24 bits per pixel, that's 2,073,600 × 24 = 49,766,400 bits per frame. Multiplied by 60 fps gives 2,985,984,000 bit/s, which is approximately 2986 Mbit/s.
NEW QUESTION # 61
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?
Answer: 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.
NEW QUESTION # 62
Which of the following statements is true about image sampling?
Answer: A
Explanation:
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.
NEW QUESTION # 63
Assume endpoints T1 and T2 are registered with the same SC node zone (signaling routing is enabled on the SC). After T1 calls the number of T2 using H.323, T1 communicates with T2. How many TCP connections are established in this process?
Answer: D
Explanation:
With signaling routing enabled on the SC, both the H.225 call signaling and the H.245 control channel are each split into two TCP legs (T1→SC and SC→T2), resulting in 2 × 2 = 4 TCP connections.
NEW QUESTION # 64
The main functions of H.245 include capability negotiation, video encoding, and master-slave determination.
Answer: A
NEW QUESTION # 65
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