45. Which of the following is the recommended maximum round trip delay between converged systems to maintain TOLL quality voice?
A. less than 160ms
B. less than 180ms
C. less than 200ms
D. less than 240ms
Answer: B
46. Which of the following is the highest possible Mean Opinion Score (MOS)?
A. 3.0
B. 4.0
C. 5.0
D. 10.0
Answer: C
47. Which of the following compression algorithms would a technician recommend to minimize the bandwidth assigned to VoIP traffic?
A. G. 729a
B. G. 732
C. G. 711a
D. G. 711
Answer: A
48. Which of the following is the call setup protocol used in ISDN and H. 323?
A. H. 245
B. H. 225
C. Q.931
D. Q.2931
Answer: C
