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. | Which type of trunk connects two local telephone company COs?
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2. | What type of “tone” is used by a touch-tone phone to dial digits?
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3. | Which multiplexing process is used by TDM?
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4. | DSL is an example of which style of multiplexing?
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5. | When discussing call control, what function does call setup use to ensure that there is enough bandwidth to place a call?
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6. | Which two protocols are examples of distributed call control?
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7. | In the centralized call control model, signaling is performed by which component?
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8. | To what does the FXS interface provide a direct connection?
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9. | What is the function of the SRST component of a centralized voice enterprise network?
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10. | An E1 interface can carry up to how many simultaneous conversations?
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