Authorized Self-Study Guide Cisco Voice over IP (CVoice)

Chapter Review Questions

The following questions test your knowledge of topics explained in this chapter. You can find the answers to the questions in Appendix A, “Answers to Chapter Review Questions.”

1.	What are the three different types of local-loop signaling? address signaling coding signaling control signaling informational signaling remote signaling supervisory signaling
2.	What is the normal ring cadence in the United States? one 2-second ring followed by 2 seconds of silence one 2-second ring followed by 4 seconds of silence two 0.4-second rings separated by 0.2 seconds of silence, followed by 2 seconds of silence two 2-second rings separated by 4 seconds of silence
3.	Which method is used to reduce echo on Cisco devices? echo suppression echo cancellation ...