What is a key design aspect to be considered when designing an IP network that will be carrying real-time VoIP traffic?
A . Minimizing total bidirectional end-to-end delay to 0-150 ms
B . Minimizing total unidirectional end-to-end delay to 150-500 ms
C . Minimizing total bidirectional end-to-end delay to 0-50 ms
D . Minimizing total unidirectional end-to-end delay to 0-150 ms
Answer: D