Data Communication and Networking – Cellular Telephone system MCQs

1. The most common dial-up service used by a person making a home telephone call is _______

2. The bandwidth on a local loop is between _______

3. A line can have less attenuation and less distortion if it is _______

4. In the analog hierarchy, twelve voice channels are multiplexed to create a _______

5. In the analog hierarchy, a _______ consists of 60 independent voice channels.

6. In the analog hierarchy, a _______ consists of 600 independent voice channels

7. In the analog hierarchy, a _______ consists of 3600 independent voice channels

8. Which digital service requires a DSU?

9. Which of the following about switched/56 service is true?

10. _______ is a digital leased line with a maximum data rate of 64 Kbps

11. In the DS service hierarchy, _______ resembles DDS

12. A DS-0 service is a single digital channel of _______

13. A DS-4 service can be composed of 4032 _______ channels

14. A DS-4 service is implemented by a _______.

15. T lines can be used for _______.

16. For a telephone voice transmission to use a T-line, the signal must be _______ before being multiplexed