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Exam 400-007 All Questions

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Exam 400-007 topic 1 question 30 discussion

Actual exam question from Cisco's 400-007
Question #: 30
Topic #: 1
[All 400-007 Questions]

Which undesired effect of increasing the jitter compensation buffer is true?

  • A. The overall transport delay decreases and quality improves.
  • B. The overall transport jitter increases and quality issues can occur.
  • C. The overall transport delay increases and quality issues can occur.
  • D. The overall transport jitter decreases and quality improves.
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Suggested Answer: C 🗳️

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re_j0hn
10 months, 2 weeks ago
increasing the jitter compensation buffer can cause an increase in delay, which can lead to quality issues such as packet loss and jitter. This is because the buffer is designed to compensate for jitter by holding packets for a short period of time before forwarding them. However, if the buffer size is too large, it can cause packets to be delayed for too long, leading to quality issues.
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J_W
11 months, 1 week ago
Selected Answer: C
Jitter compensation buffers are used to mitigate the effects of network jitter, which is the variation in packet arrival times. By increasing the size of the jitter compensation buffer, the system is able to store and hold incoming packets for a longer period, allowing for greater flexibility in handling variations in packet arrival times. However, increasing the buffer size introduces additional delay in the system. Packets are held in the buffer for a longer duration before being forwarded, resulting in increased overall transport delay. This increased delay can lead to quality issues, especially in real-time applications such as voice or video, where timely delivery of packets is crucial. Therefore, increasing the jitter compensation buffer may help in smoothing out variations in packet arrival times, but it can also introduce increased delay and potentially impact the quality of the transmitted data.
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