Cisco 400-051 Exam

Assume a 30-millisecond voice payload, 6 bytes for the Layer 2 header, 1 byte for the end-of-frame flag, and the IP, UDP, and RTP headers are compressed to 2 bytes, how much bandwidth should be allocated to the strict priority queue for eight VoIP calls that use a G.729 codec over a multilink PPP link with cRTP enabled?

  • A. 121.6 kb/s
  • B. 92.8 kb/s
  • C. 88.4 kb/s
  • D. 83.2 kb/s
  • E. 78.4 kb/s
Answer: Option D.
Explanation: 

Reference:
http://www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a0080094ae2.shtml

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