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Huawei H11-861 Exam Questions
HCNP-VC (Huawei Certified Network Professional- Video Conference) (Page 7 )

Updated On: 17-Feb-2026
Page 7 of 62
PDF with 303 Questions

The advantages and disadvantages of Forward error correction (FEC) are(). (Select 2 answers)

  1. it has high requirements for latency, which makes it difficult to use in live networks, it is effective only in slight packet loss. In addition, it results in more video jitter.
  2. it occupies little bandwidth and slightly impacts the video quality
  3. The video quality is affected because the redundant data occupies some bandwidth. In addition, it cannot handle burst packet loss, and a certain delay is introduced
  4. it can restore the lost data with a certain probability and it is applicable to common packet loss scenarios.

Answer(s): C,D



In H.323 protocol, the last number 3 means().

  1. B-ISDN
  2. QOS
  3. PNN
  4. GSTN and radio network

Answer(s): C



During communication, both endpoints may occupy an event or resource that cannot be shared. To avoid this situation, a master endpoint needs to be determined. When conflicts occur, the standby endpoint should follow the master endpoint. ( )

  1. TRUE
  2. FALSE

Answer(s): A



NAT works at the ( ).

  1. Data link layer
  2. Network layer
  3. Application layer
  4. Transport layer

Answer(s): B



1080i 50/60 fps: Interlaced scan for images, 50 or 60 fields per second.( )

  1. TRUE
  2. FALSE

Answer(s): A






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