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