Appendix A
Answers to the “Do I Know This Already?” Quizzes and Q&A Sections
Chapter 1
Do I Know This Already?
1. C
2. D
3. B
4. D
5. B
6. A
7. D
Answers to the Q&A
1. Call Manager is an IP PBX.
2. ISDN using H.320, IP using H.323, and IP using SIP
3. Email, fax, and voicemail
4. Vocal communication with Webex and People Insights
Chapter 2
Do I Know This Already?
1. D
2. B
3. D
4. A
5. C
6. B
7. B
8. A
9. C
10. D
Answers to the Q&A
1. The technical properties of a sound wave are as follows: Cycle, Period (time), Wavelength (distance), Pressure, Amplitude.
2. The three digital signal rate forms are DS0, DS1, and DS3. A DS1 is equivalent to a T1 T-carrier rate form with 24–64 kbps circuits, and a DS3 is equivalent to a T3 T-carrier rate ...
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