1) Describe the principle and operation of step-by-step switching system.
2) Describe about the Centralized SPC System. Explain in detail.
3) Describe about the Time Division Time Switching technique with the modes of operation.
4) Write differences between the Circuit Switching and Packet Switching with the help of an example.
5) Describe GOS and Blocking probability in detail.
6) Describe about the Incoming traffic and service time characteristics in detail.
7) Describe the transmission system for the telephone signal.
8) Explain the following given terms:
a) In channel Signalling.
b) Common Channel Signalling.
9) Describe what is Token Passing Ring LAN with the frame format?
10) Describe the ISDN protocol architecture with the help of applications and services.