Descriptive Questions

  1. What are the advantages of transmitting voice in digital form?
  2. What is the major disadvantage of digital transmission?
  3. In digital transmission, the bit stream is “reconstructed, retained, retransmitted”. Explain.
  4. Differentiate between a time-division and a space-division telephone exchange.
  5. Explain the function of a concentration stage.
  6. Differentiate between a concentration stage and an expansion stage.
  7. What do the BORSCHT functions signify?
  8. Briefly explain local distribution networks.
  9. Differentiate between circuit switching, message switching and packet switching.
  10. With the help of a suitable illustration explain a typical packet format.
  11. Differentiate between LANs, MANs and WANs.
  12. How ISDNs have evolved?
  13. Differentiate between ...

Get Consumer Electronics now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial